1464 見つかった項目
脆弱性
Abstract
システム データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
情報漏れが発生するのは、システム データやデバッグ情報が出力ストリームやロギング機能を通じてプログラムから出ていく場合です。



このパラメーターは、フォルト メッセージをクライアントに送信するように Apache Axis 2 に指示します。フォルト メッセージにはスタック トレースが含まれ、場合によっては、エラー メッセージから、システムがどのような攻撃に対して脆弱かを攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] How to stop Axis2 sending stack traces in case of a fault? WSO2
[2] Standards Mapping - Common Weakness Enumeration CWE ID 497
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420, CCI-003272
[8] Standards Mapping - FIPS200 CM
[9] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SA-15 Development Process and Standards and Tools (P2), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SA-15 Development Process and Standards and Tools, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[14] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[15] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2010 A6 Security Misconfiguration
[18] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.config.java.system_information_leak_apache_axis2
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。
例 1: 次のコードは、画面に SAPFTP バージョンの情報を出力します。


...
CALL FUNCTION 'FTP_VERSION'
...
IMPORTING
EXEPATH = p
VERSION = v
WORKING_DIR = dir
RFCPATH = rfcp
RFCVERSION = rfcv
TABLES
FTP_TRACE = FTP_TRACE.

WRITE: 'exepath: ', p, 'version: ', v, 'working_dir: ', dir, 'rfcpath: ', rfcp, 'rfcversion: ', rfcv.
...


選択画面の設定によっては、この情報は画面にダンプされたり、プリンターに直接送信されたりする場合があります。このバージョン情報により、システムがどのような攻撃に対して脆弱か、攻撃者に正確に伝わる可能性もあります。同じように、エラーメッセージにより、システムがどのような攻撃に対して脆弱か、攻撃者に正確に伝わる可能性もあります。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.abap.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。

例 1: 次のコードは、スタックトレースを「デバッグ」コンソールまたはログファイルに出力します。


try {
...
}
catch(e:Error) {
trace(e.getStackTrace());
}


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびリモートユーザーへの開示が可能です。たとえば、スクリプト メカニズムを使用すると、「標準エラー」または「標準出力」から出力情報をファイルまたは他のプログラムへ容易にリダイレクトできます。または、プログラムが実行されるシステムに、リモート デバイスへログを送信する「syslog」サーバーなどのリモート ロギング メカニズムを設定できます。開発中、この情報が最終的にどこで表示されることになるかを知る方法はありません。

場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、検索パスに、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.semantic.actionscript.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システム データやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。外部へのデータ漏洩により、オペレーティング システム、フルパス名、ユーザー名の存在、設定ファイルの場所などに関する特定のデータが開示され、攻撃者に攻撃のチャンスを与えることになります。外部へのデータ漏洩は、攻撃者からのアクセスがより難しい内部的な情報漏洩よりも深刻な事態を引き起こします。

例 1: 次のコードは、Visualforce ページの <apex:messages/> 要素にある例外情報を漏洩します。


try {
...
} catch (Exception e) {
ApexPages.Message msg = new ApexPages.Message(ApexPages.Severity.FATAL, e.getMessage());
ApexPages.addMessage(msg);
}


この情報はリモート ユーザーに開示される可能性があります。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] ENV02-J. Do not trust the values of environment variables CERT
[4] FUNDAMENTALS-4: Establish trust boundaries Oracle
[5] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[6] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[7] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[9] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[12] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[15] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[16] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[17] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[18] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[19] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.apex.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。
例 1: 次のコードでは、HTTP レスポンスで例外情報が漏洩されます。


try
{
...
}
catch (Exception e)
{
Response.Write(e.ToString());
}


この情報はリモート ユーザーに開示される可能性があります。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.dotnet.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。
例 1: 次のコードを使用すると、ソケットからシステム情報が漏洩されます。


int sockfd;
int flags;
char hostname[1024];
hostname[1023] = '\0';
gethostname(hostname, 1023);
...
sockfd = socket(AF_INET, SOCK_STREAM, 0);
flags = 0;
send(sockfd, hostname, strlen(hostname), flags);


この情報はリモートユーザーに開示される可能性があります。場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、検索パスに、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.cpp.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。
例 1: 次のコードは、ターミナルへのエラーを発生させた SQL コマンドに関連するエラーコード SQLCODE とエラーメッセージ SQlERRMC を表示します。


...
EXEC SQL
WHENEVER SQLERROR
PERFORM DEBUG-ERR
SQL-EXEC.
...
DEBUG-ERR.
DISPLAY "Error code is: " SQLCODE.
DISPLAY "Error message is: " SQLERRMC.
...


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびリモートユーザーへの開示が可能です。場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。Example 1 では、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.cobol.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。
例 1: 次のコードは、例外をキャッチしてその例外メッセージをページに出力します。


<cfcatch type="Any">
<cfset exception=getException(myObj)>
<cfset message=exception.toString()>
<cfoutput>
Exception message: #message#
</cfoutput>
</cfcatch>


システム構成により異なりますが、この情報はログファイルに書き込まれたり、リモートユーザーに開示される場合があります。場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.cfml.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。

例 1: 次の例では、HTTP レスポンスからシステム情報が漏洩されます。


func handler(w http.ResponseWriter, r *http.Request) {
host, err := os.Hostname()
...
fmt.Fprintf(w, "%s is busy, please try again later.", host)
}


場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.golang.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システム データやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。外部的な情報漏洩は、攻撃者にオペレーティング システム、フル パス名、ユーザー名の存在、または設定ファイルの場所などに関する特定のデータを開示する原因となり、攻撃者からのアクセスがより難しい内部的な情報漏洩に比べて深刻な事態を引き起こします。

例 1: 次のコードでは、HTTP レスポンスで例外情報が漏洩されます。


protected void doPost (HttpServletRequest req, HttpServletResponse res) throws IOException {
...
PrintWriter out = res.getWriter();
try {
...
} catch (Exception e) {
out.println(e.getMessage());
}
}


この情報はリモート ユーザーに開示される可能性があります。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。

情報漏洩は、モバイル コンピューティング環境でも懸念事項です。モバイル プラットフォームでは、あちこちのソースからアプリケーションがダウンロードされ、同じデバイス上で一緒に実行されます。このため、たとえばバンキング アプリケーションのすぐそばでマルウェアを実行するなどの可能性が高くなるので、アプリケーションの開発者は、同じデバイスで実行されている他のアプリケーションに送信するメッセージにどの情報を含めるかについて十分注意する必要があります。

例 2: 次のコードでは、キャッチされた例外のスタックトレースをすべての登録済み Android 受信者に開示します。

...
try {
...
} catch (Exception e) {
String exception = Log.getStackTraceString(e);
Intent i = new Intent();
i.setAction("SEND_EXCEPTION");
i.putExtra("exception", exception);
view.getContext().sendBroadcast(i);
}
...


これは、モバイル環境に特有の別のシナリオです。現在、大半のモバイルデバイスは NFC (Near-Field Communication) プロトコルを実装しており、無線通信を使用するデバイス間で迅速に情報を共有します。NFC は、デバイスを相互に近づけるかまたは接触させることで機能します。NFC の通信範囲は数センチメートルに限定されますが、NFC 自体ではセキュリティをともなう通信を確立できないので、盗聴、データ改変など各種の攻撃が可能です。

例 3: Android プラットフォームでは NFCがサポートされます。次のコードは、通信範囲内にある他のデバイスにプッシュされるメッセージを作成します。

...
public static final String TAG = "NfcActivity";
private static final String DATA_SPLITTER = "__:DATA:__";
private static final String MIME_TYPE = "application/my.applications.mimetype";
...
TelephonyManager tm = (TelephonyManager)Context.getSystemService(Context.TELEPHONY_SERVICE);
String VERSION = tm.getDeviceSoftwareVersion();
...
NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter == null)
return;

String text = TAG + DATA_SPLITTER + VERSION;
NdefRecord record = new NdefRecord(NdefRecord.TNF_MIME_MEDIA,
MIME_TYPE.getBytes(), new byte[0], text.getBytes());
NdefRecord[] records = { record };
NdefMessage msg = new NdefMessage(records);
nfcAdapter.setNdefPushMessage(msg, this);
...


NDEF (NFC Data Exchange Format) メッセージには、入力済みデータ、URI、またはカスタムのアプリケーション ペイロードが含まれます。メッセージにアプリケーションについての情報、たとえば名前、MIME タイプ、デバイスソフトウェアのバージョンなどが含まれていると、その情報が盗聴者に漏れる可能性があります。
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] ENV02-J. Do not trust the values of environment variables CERT
[4] FUNDAMENTALS-4: Establish trust boundaries Oracle
[5] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[6] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[7] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[9] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[12] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[15] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[16] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[17] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[18] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[19] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.java.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
外部への情報漏えいは、システム データやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。外部的な情報漏洩は、攻撃者にオペレーティング システム、フル パス名、ユーザー名の存在、または設定ファイルの場所などに関する特定のデータを開示する原因となり、攻撃者からのアクセスがより難しい内部的な情報漏洩に比べて深刻な事態を引き起こします。

例 1: 次のコードは、例外情報を Web ページのテキスト領域に漏洩します。


...
dirReader.readEntries(function(results){
...
}, function(error){
$("#myTextArea").val('There was a problem: ' + error);
});
...


この情報はリモート ユーザーに開示される可能性があります。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.javascript.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
外部への情報漏えいは、システム データやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。外部的な情報漏洩は、攻撃者にオペレーティング システム、フル パス名、ユーザー名の存在、または設定ファイルの場所などに関する特定のデータを開示する原因となり、攻撃者からのアクセスがより難しい内部的な情報漏洩に比べて深刻な事態を引き起こします。

例 1: 次のコードでは、HTTP レスポンスで例外情報が漏洩されます。


protected fun doPost(req: HttpServletRequest, res: HttpServletResponse) {
...
val out: PrintWriter = res.getWriter()
try {
...
} catch (e: Exception) {
out.println(e.message)
}
}


この情報はリモート ユーザーに開示される可能性があります。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。

情報漏洩は、モバイル コンピューティング環境でも懸念事項です。モバイル プラットフォームでは、あちこちのソースからアプリケーションがダウンロードされ、同じデバイス上で一緒に実行されます。このため、たとえばバンキング アプリケーションのすぐそばでマルウェアを実行するなどの可能性が高くなるので、開発者は、同じデバイスで実行されている他のアプリケーションに送信するメッセージにどの情報を含めるかについて十分注意する必要があります。

例 2: 次のコードでは、キャッチされた例外のスタックトレースをすべての登録済み Android 受信者に開示します。

...
try {
...
} catch (e: Exception) {
val exception = Log.getStackTraceString(e)
val intent = Intent()
intent.action = "SEND_EXCEPTION"
intent.putExtra("exception", exception)
view.context.sendBroadcast(intent)
}
...


これは、モバイル環境に特有の別のシナリオです。現在、大半のモバイルデバイスは NFC (Near-Field Communication) プロトコルを実装しており、無線通信を使用するデバイス間で迅速に情報を共有します。NFC は、デバイスを相互に近づけるかまたは接触させることで機能します。NFC の通信範囲は数センチメートルに限定されますが、NFC 自体ではセキュリティをともなう通信を確立できないので、盗聴、データ改変など各種の攻撃が可能です。

例 3: Android プラットフォームでは NFCがサポートされます。次のコードは、通信範囲内にある他のデバイスにプッシュされるメッセージを作成します。

...
companion object {
const val TAG = "NfcActivity"
private const val DATA_SPLITTER = "__:DATA:__"
private const val MIME_TYPE = "application/my.applications.mimetype"
}
...
val tm = Context.getSystemService(Context.TELEPHONY_SERVICE) as TelephonyManager
val VERSION = tm.getDeviceSoftwareVersion();
...
val nfcAdapter = NfcAdapter.getDefaultAdapter(this)

val text: String = "$TAG$DATA_SPLITTER$VERSION"
val record = NdefRecord(NdefRecord.TNF_MIME_MEDIA, MIME_TYPE.getBytes(), ByteArray(0), text.toByteArray())
val records = arrayOf(record)
val msg = NdefMessage(records)
nfcAdapter.setNdefPushMessage(msg, this)
...


NDEF (NFC Data Exchange Format) メッセージには、入力済みデータ、URI、またはカスタムのアプリケーション ペイロードが含まれます。メッセージにアプリケーションについての情報、たとえば名前、MIME タイプ、デバイスソフトウェアのバージョンなどが含まれていると、その情報が盗聴者に漏れる可能性があります。
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] ENV02-J. Do not trust the values of environment variables CERT
[4] FUNDAMENTALS-4: Establish trust boundaries Oracle
[5] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[6] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[7] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[9] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[12] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[15] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[16] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[17] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[18] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[19] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.kotlin.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。

例 1: 次のコードを使用すると、HTTP リクエストからシステム情報が漏洩されます。


NSString *deviceName = [[UIDevice currentDevice] name];
NSString *baseUrl = @"http://myserver.com/?dev=";
NSString *urlString = [baseUrl stringByAppendingString:deviceName];
NSURL *url = [NSURL URLWithString:urlString];
NSURLRequest* request = [NSURLRequest requestWithURL:url cachePolicy:NSURLRequestUseProtocolCachePolicy timeoutInterval:60.0];
NSError *err = nil;
NSURLResponse* response = nil;
NSData *data = [NSURLConnection sendSynchronousRequest:request returningResponse:&response error:&err];


この情報はリモートユーザーに開示される可能性があります。このエラーメッセージにより、システムがどのような攻撃に対して脆弱か、攻撃者に正確に伝わる可能性もあります。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.objc.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。

例 1: 次のコードは、例外を HTTP 応答に書き込みます。


<?php
...
echo "Server error! Printing the backtrace";
debug_print_backtrace();
...
?>


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびリモートユーザーへの開示が可能です。たとえば、スクリプト メカニズムを使用すると、「標準エラー」または「標準出力」から出力情報をファイルまたは他のプログラムへ容易にリダイレクトできます。または、プログラムが実行されるシステムに、リモート デバイスへログを送信する「syslog」サーバーなどのリモート ロギング メカニズムを設定できます。開発中、この情報が最終的にどこで表示されることになるかを知る方法はありません。

場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.php.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。
例 1: 次のコードは、環境変数 PATH_INFO および SCRIPT_NAME をページに出力します。


...
HTP.htmlOpen;
HTP.headOpen;
HTP.title ('Environment Information');
HTP.headClose;
HTP.bodyOpen;
HTP.br;
HTP.print('Path Information: ' ||
OWA_UTIL.get_cgi_env('PATH_INFO') || '
');
HTP.print('Script Name: ' ||
OWA_UTIL.get_cgi_env('SCRIPT_NAME') || '
');
HTP.br;
HTP.bodyClose;
HTP.htmlClose;
...
}


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびリモートユーザーへの開示が可能です。場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、検索パスに、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.sql.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。

例 1: 次のコードは、すべてのシステム環境変数を HTTP 応答の一部として出力します。


...
import cgi
cgi.print_environ()
...


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびリモートユーザーへの開示が可能です。たとえば、スクリプト メカニズムを使用すると、「標準エラー」または「標準出力」から出力情報をファイルまたは他のプログラムへ容易にリダイレクトできます。または、プログラムが実行されるシステムに、リモート デバイスへログを送信する「syslog」サーバーなどのリモート ロギング メカニズムを設定できます。開発中、この情報が最終的にどこで表示されることになるかを知る方法はありません。

場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.structural.python.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。

例 1: 次のコードを使用すると、HTTP レスポンスからシステム情報が漏洩されます。


response = Rack::Response.new
...
stacktrace = caller # Kernel#caller returns an array of the execution stack
...
response.finish do |res|
res.write "There was a problem: #{stacktrace}"
end


この情報はリモートユーザーに開示される可能性があります。場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、検索パスに、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.ruby.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
外部への情報漏えいは、システム データやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。外部的な情報漏洩は、攻撃者にオペレーティング システム、フル パス名、ユーザー名の存在、または設定ファイルの場所などに関する特定のデータを開示する原因となり、攻撃者からのアクセスがより難しい内部的な情報漏洩に比べて深刻な事態を引き起こします。

例 1: 次のコードでは、HTTP レスポンスでシステムの詳細情報が漏洩されます。


def doSomething() = Action { request =>
...
Ok(Html(Properties.osName)) as HTML
}


この情報はリモート ユーザーに開示される可能性があります。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] ENV02-J. Do not trust the values of environment variables CERT
[4] FUNDAMENTALS-4: Establish trust boundaries Oracle
[5] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[6] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[7] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[9] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[12] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[15] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[16] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[17] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[18] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[19] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.scala.system_information_leak_external
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。

例 1: 次のコードを使用すると、HTTP リクエストからシステム情報が漏洩されます。


let deviceName = UIDevice.currentDevice().name
let urlString : String = "http://myserver.com/?dev=\(deviceName)"
let url : NSURL = NSURL(string:urlString)
let request : NSURLRequest = NSURLRequest(URL:url)
var err : NSError?
var response : NSURLResponse?
var data : NSData = NSURLConnection.sendSynchronousRequest(request, returningResponse: &response, error:&err)


この情報はリモートユーザーに開示される可能性があります。このエラーメッセージにより、システムがどのような攻撃に対して脆弱か、攻撃者に正確に伝わる可能性もあります。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.swift.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
外部への情報漏えいは、システムデータやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。

例 1: 次のコードは、例外を Response 出力ストリームに書き込みます。


...
If Err.number <>0 then
Response.Write "An Error Has Occurred on this page!<BR>"
Response.Write "The Error Number is: " & Err.number & "<BR>"
Response.Write "The Description given is: " & Err.Description & "<BR>"
End If
...


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびリモートユーザーへの開示が可能です。たとえば、スクリプト メカニズムを使用すると、「標準エラー」または「標準出力」から出力情報をファイルまたは他のプログラムへ容易にリダイレクトできます。または、プログラムが実行されるシステムに、リモート デバイスへログを送信する「syslog」サーバーなどのリモート ロギング メカニズムを設定できます。開発中、この情報が最終的にどこで表示されることになるかを知る方法はありません。

場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 215, CWE ID 489, CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3), 14.2.2 Dependency (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-2, MASVS-STORAGE-1
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.semantic.vb.system_information_leak_external
Abstract
HTML コメントに含まれている情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
攻撃者にとって HTML コメントは、動的に生成された Web ページに関する情報を簡単に入手できるソースとなります。

例 1:

<!-- TBD: this needs a security audit -->
<form method="POST" action="recalcOrbit">
...


システムがどのように構築されたのかが知りたい撃者にとっては、何の変哲もないコメントでさえ有用な情報です。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 615
[2] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[4] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[5] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[6] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[7] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[8] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[9] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[10] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[11] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[12] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[13] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[14] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[15] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[16] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[17] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[18] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[19] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[20] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[21] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[22] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[23] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[24] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[25] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[26] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[27] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[38] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.structural.java.system_information_leak_html_comment_in_jsp
Abstract
サーブレットがすべての例外をキャッチできない場合、攻撃計画に役立つデバッグ情報が攻撃者にわかってしまう可能性があります。
Explanation
サーブレットが例外を発生させた場合、サーブレットコンテナがユーザーに送信するデフォルトエラーレスポンスに通常デバッグ情報が含まれています。この情報は攻撃者にとって非常に価値があります。たとえば、スタックトレースにより、不正な形式の SQL クエリ文字列、使用されているデータベースのタイプ、およびアプリケーションコンテナのバージョンが攻撃者に知られてしまう可能性があります。攻撃者は、この情報を利用してそれらのコンポーネントにある既知の脆弱性をターゲットにします。

例 1: 以下のメソッドで、DNS ルックアップ障害はサーブレットに例外を発生させます。


protected void doPost (HttpServletRequest req,
HttpServletResponse res)
throws IOException {
String ip = req.getRemoteAddr();
InetAddress addr = InetAddress.getByName(ip);
...
out.println("hello " + addr.getHostName());
}
例 2: 次のメソッドは、パラメーター「name」がリクエストの一部でない場合に、NullPointerException を発生させます。


protected void doPost (HttpServletRequest req,
HttpServletResponse res)
throws IOException {
String name = getParameter("name");
...
out.println("hello " + name.trim());
}
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[4] Standards Mapping - Common Weakness Enumeration CWE ID 209, CWE ID 431
[5] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[7] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420, CCI-003272
[10] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SA-15 Development Process and Standards and Tools (P2), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SA-15 Development Process and Standards and Tools, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.1 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - SANS Top 25 2009 Insecure Interaction - CWE ID 209
[28] Standards Mapping - SANS Top 25 2010 Insecure Interaction - CWE ID 209
[29] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3120 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3120 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3120 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3120 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3120 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3120 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3120 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.structural.java.system_information_leak_incomplete_servlet_error_handling
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。
例 1: 次のコードは、画面に SAPFTP バージョンの情報を出力します。


...
CALL FUNCTION 'FTP_VERSION'
...
IMPORTING
EXEPATH = p
VERSION = v
WORKING_DIR = dir
RFCPATH = rfcp
RFCVERSION = rfcv
TABLES
FTP_TRACE = FTP_TRACE.

WRITE: 'exepath: ', p, 'version: ', v, 'working_dir: ', dir, 'rfcpath: ', rfcp, 'rfcversion: ', rfcv.
...


選択画面の設定によっては、この情報は画面にダンプされたり、プリンターに直接送信されたりする場合があります。このバージョン情報により、システムがどのような攻撃に対して脆弱か、攻撃者に正確に伝わる可能性もあります。同じように、エラーメッセージにより、システムがどのような攻撃に対して脆弱か、攻撃者に正確に伝わる可能性もあります。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.abap.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 次のコードは、スタックトレースを「デバッグ」コンソールまたはログファイルに出力します。


try {
...
}
catch(e:Error) {
trace(e.getStackTrace());
}


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、検索パスに、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.semantic.actionscript.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 次のコードは、例外メッセージをデバッグ ログに書き込みます。


try {
...
} catch (Exception e) {
System.Debug(LoggingLevel.ERROR, e.getMessage());
}


エラー メッセージを基に、攻撃者が攻撃を計画する可能性があります。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] ENV02-J. Do not trust the values of environment variables CERT
[4] FUNDAMENTALS-4: Establish trust boundaries Oracle
[5] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[6] Standards Mapping - Common Weakness Enumeration CWE ID 497
[7] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[9] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[12] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[15] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[16] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[17] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[18] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[19] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[20] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[21] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.apex.system_information_leak_internal
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。
例 1: 次のコードはデータベース接続文字列を構成し、それを使用してデータベースへの新しい接続を作成して、コンソールに書き込みます。


string cs="database=northwind;server=mySQLServer...";
SqlConnection conn=new SqlConnection(cs);
...
Console.Writeline(cs);


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.dotnet.system_information_leak_internal
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システムデータやデバッグ情報がローカルのファイル、コンソール、または画面にロギングや印刷を通じて送信される時に発生します。
例 1: 次のコードを実行すると、パス環境変数が標準エラーストリームに出力されます。


char* path = getenv("PATH");
...
fprintf(stderr, "cannot find exe on path %s\n", path);


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、検索パスに、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.cpp.system_information_leak_internal
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システムデータやデバッグ情報がローカルのファイル、コンソール、または画面にロギングや印刷を通じて送信される時に発生します。
例 1: 次のコードは、すべてのタスク関連のストレージ領域、ターミナル コントロール テーブル、および指定されたデータ エリアのトランザクション ダンプを要求しています。


...
EXEC CICS DUMP TRANSACTION
DUMPCODE('name')
FROM (data-area)
LENGTH (data-value)
END-EXEC.
...


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.cobol.system_information_leak_internal
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システムデータやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送られるとき発生します。

例 1: 次のコードは、ローカルのファイル システムにあるファイルに書き込まれます。


<cfscript>
try {
obj = CreateObject("person");
}
catch(any excpt) {
f = FileOpen("c:\log.txt", "write");
FileWriteLine(f, "#excpt.Message#");
FileClose(f);
}
</cfscript>


この情報は、ログファイルに書き込まれます。場合によってはメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.cfml.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 次のコードは、例外をローカル ファイルに書き込みます。


final file = await File('example.txt').create();
final raf = await file.open(mode: FileMode.write);
final data = String.fromEnvironment("PASSWORD");
raf.writeString(data);


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。

情報漏洩は、モバイル コンピューティング環境でも懸念事項です。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.dart.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システムデータやデバッグ情報がローカルのファイル、コンソール、または画面にロギングや印刷を通じて送信される時に発生します。
例 1: 次のコードを実行すると、パス環境変数が標準エラーストリームに出力されます。


path := os.Getenv("PATH")
...
log.Printf("Cannot find exe on path %s\n", path)


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、検索パスに、オペレーティング システムのタイプ、システムにインストールされているアプリケーション、プログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.golang.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
外部への情報漏えいは、システム データやデバッグ情報がプログラムからソケットまたはネットワーク接続を経由してリモートのマシンに送られる場合に発生します。外部的な情報漏洩は、攻撃者にオペレーティング システム、フル パス名、ユーザー名の存在、または設定ファイルの場所などに関する特定のデータを開示する原因となり、攻撃者からのアクセスがより難しい内部的な情報漏洩に比べて深刻な事態を引き起こします。

例 1: 次のコードでは、HTTP レスポンスで例外情報が漏洩されます。


protected void doPost (HttpServletRequest req, HttpServletResponse res) throws IOException {
...
PrintWriter out = res.getWriter();
try {
...
} catch (Exception e) {
out.println(e.getMessage());
}
}


この情報はリモート ユーザーに開示される可能性があります。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。

情報漏洩は、モバイル コンピューティング環境でも懸念事項です。モバイル プラットフォームでは、あちこちのソースからアプリケーションがダウンロードされ、同じデバイス上で一緒に実行されます。このため、たとえばバンキング アプリケーションのすぐそばでマルウェアを実行するなどの可能性が高くなるので、アプリケーションの開発者は、同じデバイスで実行されている他のアプリケーションに送信するメッセージにどの情報を含めるかについて十分注意する必要があります。

例 2: 次のコードでは、キャッチされた例外のスタックトレースをすべての登録済み Android 受信者に開示します。

...
try {
...
} catch (Exception e) {
String exception = Log.getStackTraceString(e);
Intent i = new Intent();
i.setAction("SEND_EXCEPTION");
i.putExtra("exception", exception);
view.getContext().sendBroadcast(i);
}
...


これは、モバイル環境に特有の別のシナリオです。現在、大半のモバイルデバイスは NFC (Near-Field Communication) プロトコルを実装しており、無線通信を使用するデバイス間で迅速に情報を共有します。NFC は、デバイスを相互に近づけるかまたは接触させることで機能します。NFC の通信範囲は数センチメートルに限定されますが、NFC 自体ではセキュリティをともなう通信を確立できないので、盗聴、データ改変など各種の攻撃が可能です。

例 3: Android プラットフォームでは NFCがサポートされます。次のコードは、通信範囲内にある他のデバイスにプッシュされるメッセージを作成します。

...
public static final String TAG = "NfcActivity";
private static final String DATA_SPLITTER = "__:DATA:__";
private static final String MIME_TYPE = "application/my.applications.mimetype";
...
TelephonyManager tm = (TelephonyManager)Context.getSystemService(Context.TELEPHONY_SERVICE);
String VERSION = tm.getDeviceSoftwareVersion();
...
NfcAdapter nfcAdapter = NfcAdapter.getDefaultAdapter(this);
if (nfcAdapter == null)
return;

String text = TAG + DATA_SPLITTER + VERSION;
NdefRecord record = new NdefRecord(NdefRecord.TNF_MIME_MEDIA,
MIME_TYPE.getBytes(), new byte[0], text.getBytes());
NdefRecord[] records = { record };
NdefMessage msg = new NdefMessage(records);
nfcAdapter.setNdefPushMessage(msg, this);
...


NDEF (NFC Data Exchange Format) メッセージには、入力済みデータ、URI、またはカスタムのアプリケーション ペイロードが含まれます。メッセージにアプリケーションについての情報、たとえば名前、MIME タイプ、デバイスソフトウェアのバージョンなどが含まれていると、その情報が盗聴者に漏れる可能性があります。
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] ENV02-J. Do not trust the values of environment variables CERT
[4] FUNDAMENTALS-4: Establish trust boundaries Oracle
[5] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[6] Standards Mapping - Common Weakness Enumeration CWE ID 497
[7] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[9] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[12] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[15] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[16] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[17] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[18] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[19] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[20] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[21] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.java.system_information_leak_external
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 以下のコードは例外を標準エラーストリームに書き込みます。


var http = require('http');
...

http.request(options, function(res){
...
}).on('error', function(e){
console.log('There was a problem with the request: ' + e);
});
...


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.javascript.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 次のコードでは、例外を標準エラー ストリームに書き込みます。


try {
...
} catch (e: Exception) {
e.printStackTrace()
}


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。

情報漏洩は、モバイル コンピューティング環境でも懸念事項です。

例 2: 次のコードでは、Android プラットフォーム上でキャッチされた例外のスタックトレースのログを作成します。

...
try {
...
} catch (e: Exception) {
Log.e(TAG, Log.getStackTraceString(e))
}
...
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] ENV02-J. Do not trust the values of environment variables CERT
[4] FUNDAMENTALS-4: Establish trust boundaries Oracle
[5] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[6] Standards Mapping - Common Weakness Enumeration CWE ID 497
[7] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[9] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[12] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[15] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[16] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[17] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[18] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[19] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[20] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[21] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.kotlin.system_information_leak_internal
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システムデータやデバッグ情報がローカルのファイル、コンソール、または画面にロギングや印刷を通じて送信される時に発生します。
例 1: 下記のコードは、システム情報をシステム ログに漏えいします。


...
NSString* deviceID = [[UIDevice currentDevice] name];

NSLog(@"DeviceID: %@", deviceID);
...


モバイルの世界では、デバイスの紛失や盗難が起きた場合、システム情報の保守に関する他の領域の懸念が生じます。iOS デバイスを所有すると、攻撃者は USB によってデバイスに接続し、大量のデータにアクセスすることが可能になります。iOS Property Lists (plists) などのファイルや SQLite データベースに簡単にアクセスできるため、個人情報が漏洩する可能性が生じます。全般的な規則として、個人情報を保護せずにファイル システム上に格納しないでください。

例 2: 次のコードでは、deviceID エントリをデフォルトのユーザー リストに追加し、直ちに plist ファイルに格納します。


...
NSString* deviceID = [[UIDevice currentDevice] name];

[defaults setObject:deviceID forKey:@"deviceID"];
[defaults synchronize];
...
Example 2 のコードでは、モバイル デバイスのシステム情報が、そのデバイス上に格納されている保護されていない plist ファイルに格納されます。開発者の多くは、plist ファイルをあらゆるデータの安全な格納先として信頼しがちですが、plist ファイルはデバイスを保持しているあらゆるユーザーが読み取ることができるため、特にシステム情報およびプライバシーに関わる場合は盲目的に信頼しないでください。

システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。このエラーメッセージにより、システムがどのような攻撃に対して脆弱か、攻撃者に正確に伝わる可能性もあります。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.objc.system_information_leak_internal
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 以下のコードは例外を標準エラーストリームに書き込みます。


<?php
...
echo "Server error! Printing the backtrace";
debug_print_backtrace();
...
?>


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.php.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 次のコードは例外を標準出力ストリームに書き込みます。


try:
...
except:
print(sys.exc_info()[2])


この情報はコンソールにダンプされます。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.python.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 以下のコードは例外を標準エラーストリームに書き込みます。


...
begin
log = Logger.new(STDERR)
...
rescue Exception
log.info("Exception: " + $!)
...
end


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。当然、Example 1 には、特定のタイプのエラー/例外ではなくルート Exception を救済するという問題もあります。つまり、すべての例外がキャッチされるため、他にも不用意で副次的な状況が発生する可能性があります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.ruby.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 以下のコードはシステム情報を標準出力ストリームに出力します。


...
println(Properties.osName)
...


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。場合によってはエラー メッセージから、システムが正確にはどのタイプの攻撃に対して脆弱なのかを攻撃者が把握してしまいます。たとえば、あるデータベースのエラー メッセージから、アプリケーションが SQL インジェクション攻撃に対して脆弱であることがわかる場合があります。また、他のエラー メッセージがシステムに関する間接的な手がかりを示すことがあります。Example 1 では、漏洩情報に、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、およびプログラムの設定に対する管理者の警戒度についての情報が含まれています。
References
[1] Ernst Haselsteiner and Klemens Breitfuss Security in Near Field Communication (NFC): Strengths and Weaknesses
[2] ERR01-J. Do not allow exceptions to expose sensitive information CERT
[3] ENV02-J. Do not trust the values of environment variables CERT
[4] FUNDAMENTALS-4: Establish trust boundaries Oracle
[5] CONFIDENTIAL-1: Purge sensitive information from exceptions Oracle
[6] Standards Mapping - Common Weakness Enumeration CWE ID 497
[7] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[8] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[9] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[12] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[13] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[14] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[15] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[16] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[17] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[18] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[19] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[20] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[21] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.scala.system_information_leak_internal
Abstract
システムデータやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システムデータやデバッグ情報がローカルのファイル、コンソール、または画面にロギングや印刷を通じて送信される時に発生します。



モバイルの世界では、デバイスの紛失や盗難が起きた場合、システム情報の保守に関する他の領域の懸念が生じます。iOS デバイスを所有すると、攻撃者は USB によってデバイスに接続し、大量のデータにアクセスすることが可能になります。iOS Property Lists (plists) などのファイルや SQLite データベースに簡単にアクセスできるため、個人情報が漏洩する可能性が生じます。全般的な規則として、個人情報を保護せずにファイル システム上に格納しないでください。

例 1: 次のコードはデバイス ID をシステム ログに出力します。


let deviceName = UIDevice.currentDevice().name
...
NSLog("Device Identifier: %@", deviceName)


システム構成により異なりますが、この情報は、コンソールへのダンプ、ログファイルへの書き込み、およびユーザーへの開示が可能です。このエラーメッセージにより、システムがどのような攻撃に対して脆弱か、攻撃者に正確に伝わる可能性もあります。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.swift.system_information_leak_internal
Abstract
システム データやデバッグ情報の開示は、攻撃者がシステム情報を使用して攻撃を計画する可能性があります。
Explanation
内部的な情報漏えいは、システム データやデバッグ情報がローカルのファイル、コンソール、または画面に印刷やロギングによって送信されるときに発生します。

例 1: 次のコードは、ASPError オブジェクトを Microsoft Script Debugger などのスクリプト デバッガーに送信します。


...
Debug.Write Server.GetLastError()
...


場合によってはエラーメッセージから、システムがどのような攻撃に対して脆弱か攻撃者が正確に把握してしまいます。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージが、オペレーティングシステムのタイプ、システムにインストールされているアプリケーション、プログラムの設定に対する管理者の警戒度の情報など、システムに関する間接的な手がかりを示すことがあります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.2 Sensitive Private Data (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M9 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II
[51] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[52] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.semantic.vb.system_information_leak_internal
Abstract
保存されているが保護されていないシステム情報 (クリアテキスト ファイルのデバイス ID など) は、システムのセキュリティを危険にさらします。システム データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
内部的な情報漏えいは、システムデータやデバッグ情報がローカルのファイル、コンソール、または画面にロギングや印刷を通じて送信される時に発生します。

例 1: 次の XML には、plist ファイルに保存されたデバイスに関するシステム情報が含まれています。格納される他の値のうち、UDID キーには Unique Device Identifier が格納されます。



<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
<key>systemName</key>
<string>John's iPhone</string>
<key>systemInfo</key>
<dict>
<key>UDID</key>
<string>2b6f0cc904d137be2e1730235f5664094b831186</string>
<key>systemVersion</key>
<string>4.2</string>
<key>model</key>
<string>iPhone</string>
<key>localizedModel</key>
<string>iPhone</string>
</dict>
</dict>
</plist>

Example 1 のコードでは、モバイルデバイスのユーザーの個人情報が、そのデバイス上に格納されている保護されていない plist ファイルに格納されます。開発者の多くは、plist ファイルをあらゆるデータの安全な格納先として信頼しがちですが、plist ファイルはデバイスを保持しているあらゆるユーザーが読み取ることができるため、特にシステム情報およびプライバシーに関わる場合は盲目的に信頼しないでください。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 497
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[7] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[13] Standards Mapping - OWASP Mobile 2024 M8 Security Misconfiguration
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[27] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.config.objc.system_information_leak_ios_property_list
Abstract
このアプリケーションは、機密データのログ記録を有効にします。これにより、システム情報が公開されたり、プライベート ユーザー データが危険にさらされる可能性があります。
Explanation
本番システムで SQL クエリをログに記録しないようにします。SQL クエリには、クレジット カードの明細や社会保障番号などの機密情報が含まれていることが多く、この情報を平文で記録すると、機密性が損なわれる可能性があります。

例 1: 次の Entity Framwork Core フレームワーク コードは、EnableSensitiveDataLogging オプションを true に設定します。これにより、データベース コマンドで使用されるアプリケーション データをログ記録および例外メッセージに含めることができます。

...
services.AddDbContext<ApplicationDbContext>(options => {
options.UseSqlServer(_configuration.GetConnectionString("ApplicationDbConnection"));
options.EnableSensitiveDataLogging(true);
});
...
References
[1] Microsoft DbContextOptionsBuilder.EnableSensitiveDataLogging Method
[2] Standards Mapping - Common Weakness Enumeration CWE ID 497
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[8] Standards Mapping - FIPS200 AU
[9] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[14] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[15] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-1
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[18] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 3.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 3.4, Requirement 6.5.6
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 3.4, Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 3.4, Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 3.4, Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 3.4, Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 3.4, Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.5.1, Requirement 6.2.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 3.3.2, Requirement 3.3.3, Requirement 3.5.1, Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention, Control Objective A.2.3 - Cardholder Data Protection
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention, Control Objective A.2.3 - Cardholder Data Protection
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention, Control Objective A.2.3 - Cardholder Data Protection
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.semantic.dotnet.system_information_leak_overly_broad_sql_logging
Abstract
SQL クエリに関する情報をログに記録しすぎると、システム情報が公開されたり、プライベート ユーザー データが危険にさらされる可能性があります。
Explanation
本番システムで SQL クエリをログに記録しないようにします。SQL クエリには、クレジット カードの明細や社会保障番号などの機密情報が含まれていることが多く、この情報を平文で記録すると、機密性が損なわれる可能性があります。

例 1:log4j.properties ファイルの次のエントリにより、すべてのクエリが info レベルで記録されます。

...
log4j.logger.net.sf.hibernate.type=info
log4j.logger.net.sf.hibernate.tool.hbm2ddl=info
...
References
[1] Red Hat Middleware, LLC Hibernate Reference Documentation
[2] Standards Mapping - Common Weakness Enumeration CWE ID 497
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[8] Standards Mapping - FIPS200 AU
[9] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), AC-23 Data Mining Protection (P0), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, AC-23 Data Mining Protection, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[14] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[15] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-PLATFORM-1
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[18] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 3.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 3.4, Requirement 6.5.6
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 3.4, Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 3.4, Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 3.4, Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 3.4, Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 3.4, Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 3.5.1, Requirement 6.2.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 3.3.2, Requirement 3.3.3, Requirement 3.5.1, Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention, Control Objective A.2.3 - Cardholder Data Protection
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention, Control Objective A.2.3 - Cardholder Data Protection
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention, Control Objective A.2.3 - Cardholder Data Protection
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000450 CAT II, APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.config.java.system_information_leak_overly_broad_sql_logging
Abstract
データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
display_errors オプションが有効に設定されている場合、エラーが Web ブラウザに表示されるので、潜在的な脆弱性が攻撃者に明らかになる可能性があります。たとえば、あるデータベースのエラーメッセージから、アプリケーションが SQL Injection 攻撃に対して脆弱であることがわかる場合があります。また、他のエラーメッセージがシステムに関する間接的な手がかりを示すことがあります。
References
[1] M. Achour et al. PHP Manual
[2] Standards Mapping - Common Weakness Enumeration CWE ID 209, CWE ID 215
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420, CCI-003272
[8] Standards Mapping - FIPS200 CM
[9] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SA-15 Development Process and Standards and Tools (P2), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SA-15 Development Process and Standards and Tools, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.1 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[14] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[15] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2010 A6 Security Misconfiguration
[18] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[33] Standards Mapping - SANS Top 25 2009 Insecure Interaction - CWE ID 209
[34] Standards Mapping - SANS Top 25 2010 Insecure Interaction - CWE ID 209
[35] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3120 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3120 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3120 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3120 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3120 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3120 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3120 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[56] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[57] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[59] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.structural.php.system_information_leak_php_errors
Abstract
詳細なシステム情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
expose_php オプションが有効に設定されている場合、PHP インタプリタによって作成されるすべてのレスポンスには、ホストシステムにインストールされている PHP のバージョンが含まれます。リモート サーバーで実行されている PHP のバージョンを知り得た攻撃者は、システムに対する既知の悪用方法を列挙できるため、攻撃を成功させるのにかかる労力を大幅に削減できます。
References
[1] M. Achour et al. PHP Manual
[2] Standards Mapping - Common Weakness Enumeration CWE ID 497
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[8] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[11] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[14] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management
[15] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[16] Standards Mapping - OWASP Top 10 2010 A6 Security Misconfiguration
[17] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[18] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[26] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[27] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[50] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.structural.php.system_information_leak_php_version
Abstract
自動生成された JavaScript プロキシ ファイルは、ハブの開示されたメソッドをすべて一覧表示するため、システム情報を漏らす可能性があります。
Explanation
ユーザーごとの JavaScript プロキシファイルにすべてのハブおよびメソッドを含めない場合は、ファイルの自動生成を無効にできます。このオプションは、複数のハブおよびメソッドがあるが、各ユーザーがすべてのメソッドを認識する必要がない場合に選択できます。
References
[1] Introduction to SignalR Security
[2] Standards Mapping - Common Weakness Enumeration CWE ID 497
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420
[8] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[13] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management
[14] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[15] Standards Mapping - OWASP Top 10 2010 A6 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[17] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[18] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II
[54] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[55] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.structural.dotnet.system_information_leak_signalr_exposed_javascript_proxy
Abstract
Spring Boot Actuator を有効にすると、システム データやデバッグ情報が開示され、攻撃者がシステムを把握して、攻撃の計画を立てやすくなる可能性があります。
Explanation
Spring Boot Actuator は、ユーザーによるアプリケーションの監視およびアプリケーションとのやりとりを許可します。HTTP エンドポイントや JMX のほか、リモート シェル (SSH または Telnet) を介してシステム データとデバッグ情報を公開する、さまざまな組み込み Actuator があります。攻撃者は、この情報を利用してシステムについて学習し、アプリケーションの攻撃に使用できる情報を収集する可能性があります。
References
[1] Spring Boot Reference Guide Spring
[2] Standards Mapping - Common Weakness Enumeration CWE ID 497
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420, CCI-003272
[8] Standards Mapping - FIPS200 CM
[9] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SA-15 Development Process and Standards and Tools (P2), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SA-15 Development Process and Standards and Tools, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[14] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[15] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2010 A6 Security Misconfiguration
[18] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.config.java.system_information_leak_spring_boot_actuators_enabled
Abstract
システム データやデバッグ情報の開示は、システムについて攻撃者に教えることになり、攻撃の計画が立てやすくなります。
Explanation
情報漏れが発生するのは、システム データやデバッグ情報が出力ストリームやロギング機能を通じてプログラムから出ていく場合です。

この場合、Struts 2 の Config Browser が Maven の pom.xml ファイルに設定されており、アプリケーションに導入されて使用できるようになっています。

Config Browser プラグインは、実行時にアプリケーションの設定を確認するのに役立つデバッグ ツールです。設定に関連する可能性のある問題をデバッグする場合に特に有用ですが、詳細情報が多く含まれているため、攻撃者によるアプリケーションのマッピングやモデリングに悪用される可能性があります。
References
[1] Struts Config Browser Plugin Apache Software Foundation
[2] Standards Mapping - Common Weakness Enumeration CWE ID 497
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200
[6] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001312, CCI-001314, CCI-002420, CCI-003272
[8] Standards Mapping - FIPS200 CM
[9] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-4 Information Flow Enforcement (P1), SA-15 Development Process and Standards and Tools (P2), SC-8 Transmission Confidentiality and Integrity (P1), SI-11 Error Handling (P2)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-4 Information Flow Enforcement, SA-15 Development Process and Standards and Tools, SC-8 Transmission Confidentiality and Integrity, SI-11 Error Handling
[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 8.3.4 Sensitive Private Data (L1 L2 L3), 14.3.3 Unintended Security Disclosure Requirements (L1 L2 L3)
[14] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[15] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2010 A6 Security Misconfiguration
[18] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002480 CAT II, APSC-DV-002570 CAT II, APSC-DV-002580 CAT II, APSC-DV-003235 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.config.java.system_information_leak_apache_struts2
Abstract
ユーザー制御データは、テンプレート エンジンのテンプレートとして使用され、これにより攻撃者は、テンプレート コンテキストにアクセスし、場合によっては任意のコードを挿入して実行することも可能になります。
Explanation
テンプレート エンジンは動的なデータを使用してコンテンツをレンダリングするために使用されます。このコンテキスト データは通常、ユーザーによって制御され、テンプレートによって書式設定されて、Web ページ、電子メールなどが生成されます。テンプレート エンジンでは、コンテキスト データを条件文、ループなどのコード構造で処理することで、動的コンテンツをレンダリングするための強力な言語表現をテンプレートで使用できます。攻撃者がテンプレートを制御してレンダリングできる場合、式を挿入してコンテキスト データを開示したり、サーバーで任意のコマンドを実行することさえできます。

例 1: 次の例は、テンプレートを HTTP リクエストから取得してレンダリングする方法を示しています。

app.get('/', function(req, res){
let param = req.params['template']
let val = req.params['templateVal']
let template = Handlebars.compile('{{user}}: {{' + param + '}}');
let templateInput = {}
templateInput['user'] = 'John'
templateInput[param] = val
let result = template(templateInput)
//...
});
Example 1 は、Handlebars をテンプレート エンジンとして使用し、コンパイルされたテンプレートにユーザー制御データが連結されます。これにより、攻撃者は任意の JavaScript を実行できます。
References
[1] Server-Side Template Injection: RCE for the modern webapp
[2] Standards Mapping - Common Weakness Enumeration CWE ID 95
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [18] CWE ID 094
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [17] CWE ID 094
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [25] CWE ID 094
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [23] CWE ID 094
[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [11] CWE ID 094
[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002754
[9] Standards Mapping - FIPS200 SI
[10] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 SI-10 Information Input Validation (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 SI-10 Information Input Validation
[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 5.2.4 Sanitization and Sandboxing Requirements (L1 L2 L3), 5.2.5 Sanitization and Sandboxing Requirements (L1 L2 L3), 5.2.8 Sanitization and Sandboxing Requirements (L1 L2 L3), 5.3.6 Output Encoding and Injection Prevention Requirements (L1 L2 L3)
[14] Standards Mapping - OWASP Mobile 2014 M1 Weak Server Side Controls
[15] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[16] Standards Mapping - OWASP Top 10 2004 A6 Injection Flaws
[17] Standards Mapping - OWASP Top 10 2007 A2 Injection Flaws
[18] Standards Mapping - OWASP Top 10 2010 A1 Injection
[19] Standards Mapping - OWASP Top 10 2013 A1 Injection
[20] Standards Mapping - OWASP Top 10 2017 A1 Injection
[21] Standards Mapping - OWASP Top 10 2021 A03 Injection
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.6
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1, Requirement 6.5.2
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.1
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.1
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.1
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 4.2 - Critical Asset Protection
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 4.2 - Critical Asset Protection, Control Objective B.3.1 - Terminal Software Attack Mitigation, Control Objective B.3.1.1 - Terminal Software Attack Mitigation
[33] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 4.2 - Critical Asset Protection, Control Objective B.3.1 - Terminal Software Attack Mitigation, Control Objective B.3.1.1 - Terminal Software Attack Mitigation, Control Objective C.3.2 - Web Software Attack Mitigation
[34] Standards Mapping - SANS Top 25 2009 Insecure Interaction - CWE ID 116
[35] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I, APP3570 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I, APP3570 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I, APP3570 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I, APP3570 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I, APP3570 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I, APP3570 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I, APP3570 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002560 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002560 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002560 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002560 CAT I
[46] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002560 CAT I
[47] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002560 CAT I
[48] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002560 CAT I
[49] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002560 CAT I
[50] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002560 CAT I
[51] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002560 CAT I
[52] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002560 CAT I
[53] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002560 CAT I
[54] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002560 CAT I
[55] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002530 CAT II, APSC-DV-002560 CAT I
[56] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002530 CAT II, APSC-DV-002560 CAT I
[57] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002530 CAT II, APSC-DV-002560 CAT I
[58] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.javascript.template_injection
Abstract
プログラムは、安全でない HTTP 接続を介して情報を転送します。
Explanation
企業のネットワーク インフラストラクチャ外に配置されたプログラムは、データ転送セキュリティに関する社内の保証の対象外となります。共有ネットワーク上の攻撃者は、暗号化されていないトラフィックを盗聴できる可能性があります。
References
[1] SSL Configuration HOW-TO The Apache Foundation
[2] Standards Mapping - Common Weakness Enumeration CWE ID 5
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000068, CCI-001453, CCI-002418, CCI-002420, CCI-002421, CCI-002422, CCI-002890, CCI-003123
[4] Standards Mapping - FIPS200 CM, SC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-17 Remote Access (P1), MA-4 Nonlocal Maintenance (P2), SC-8 Transmission Confidentiality and Integrity (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-17 Remote Access, MA-4 Nonlocal Maintenance, SC-8 Transmission Confidentiality and Integrity
[8] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.2.5 General Authenticator Requirements (L3), 2.6.3 Look-up Secret Verifier Requirements (L2 L3), 6.2.1 Algorithms (L1 L2 L3), 8.1.6 General Data Protection (L3), 8.3.1 Sensitive Private Data (L1 L2 L3), 9.1.1 Communications Security Requirements (L1 L2 L3), 9.2.2 Server Communications Security Requirements (L2 L3), 14.1.3 Build (L2 L3), 14.4.5 HTTP Security Headers Requirements (L1 L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M3 Insufficient Transport Layer Protection
[11] Standards Mapping - OWASP Top 10 2004 A10 Insecure Configuration Management
[12] Standards Mapping - OWASP Top 10 2007 A9 Insecure Communications
[13] Standards Mapping - OWASP Top 10 2010 A9 Insufficient Transport Layer Protection
[14] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[15] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 4.1, Requirement 6.5.10
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 4.1, Requirement 6.3.1.4, Requirement 6.5.9
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 4.1, Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 4.1, Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 4.1, Requirement 6.5.4
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 4.1, Requirement 6.5.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 4.1, Requirement 6.5.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 4.2.1, Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 4.2.1, Requirement 6.2.4
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 6.2 - Sensitive Data Protection, Control Objective 7 - Use of Cryptography
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 6.2 - Sensitive Data Protection, Control Objective 7 - Use of Cryptography, Control Objective B.2.5 - Terminal Software Design
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 6.2 - Sensitive Data Protection, Control Objective 7 - Use of Cryptography, Control Objective B.2.5 - Terminal Software Design, Control Objective C.4.1 - Web Software Communications
[29] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3250.1 CAT I, APP3250.2 CAT I, APP3250.3 CAT II, APP3250.4 CAT II, APP3260.1 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3250.1 CAT I, APP3250.2 CAT I, APP3250.3 CAT II, APP3250.4 CAT II, APP3260 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3250.1 CAT I, APP3250.2 CAT I, APP3250.3 CAT II, APP3250.4 CAT II, APP3260 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3250.1 CAT I, APP3250.2 CAT I, APP3250.3 CAT II, APP3250.4 CAT II, APP3260 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3250.1 CAT I, APP3250.2 CAT I, APP3250.3 CAT II, APP3250.4 CAT II, APP3260 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3250.1 CAT I, APP3250.2 CAT I, APP3250.3 CAT II, APP3250.4 CAT II, APP3260 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3250.1 CAT I, APP3250.2 CAT I, APP3250.3 CAT II, APP3250.4 CAT II, APP3260 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-000160 CAT II, APSC-DV-000170 CAT II, APSC-DV-001940 CAT II, APSC-DV-001950 CAT II, APSC-DV-002440 CAT I, APSC-DV-002450 CAT II, APSC-DV-002460 CAT II, APSC-DV-002470 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Transport Layer Protection (WASC-04)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.config.java.tomcat_configuration_insecure_transport
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。
例 1: 次の C# コードは HTTP リクエストを受け付けて、ユーザーが確実に認証されているか確認する前に usrname パラメーターを HTTP セッション オブジェクトに格納しています。


usrname = request.Item("usrname");
if (session.Item(ATTR_USR) == null) {
session.Add(ATTR_USR, usrname);
}


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] Standards Mapping - Common Weakness Enumeration CWE ID 501
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[4] Standards Mapping - FIPS200 SI
[5] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[8] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[9] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[11] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[12] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[15] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[16] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.dotnet.trust_boundary_violation
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。

例 1: 次の Java コードは HTTP リクエストを受け付けて、ユーザーが確実に認証されているか確認する前に usrname パラメーターを HTTP セッション オブジェクトに格納しています。


usrname = request.getParameter("usrname");
if (session.getAttribute(ATTR_USR) != null) {
session.setAttribute(ATTR_USR, usrname);
}


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] FUNDAMENTALS-4: Establish trust boundaries Oracle
[3] Standards Mapping - Common Weakness Enumeration CWE ID 501
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[5] Standards Mapping - FIPS200 SI
[6] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[9] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[10] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[12] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[13] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[15] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[16] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[39] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.java.trust_boundary_violation
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。

例 1: 次のコードは、iOS Extension JavaScript スクリプトから iOS Extension コードに信頼できないアイテム (URL) を渡します。


var GetURL = function() {};
GetURL.prototype = {
run: function(arguments) {
...
arguments.completionFunction({ "URL": document.location.href });
}
...
};
var ExtensionPreprocessingJS = new GetURL;


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] FUNDAMENTALS-4: Establish trust boundaries Oracle
[3] Standards Mapping - Common Weakness Enumeration CWE ID 501
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[5] Standards Mapping - FIPS200 SI
[6] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[9] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[10] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[12] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[13] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[15] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[16] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[39] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.javascript.trust_boundary_violation
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。

例 1: 次の Kotlin コードは HTTP リクエストを受け付けて、ユーザーが確実に認証されているか確認する前に usrname パラメーターを HTTP セッション オブジェクトに格納しています。


val usrname: String = request.getParameter("usrname")
if (session.getAttribute(ATTR_USR) != null) {
session.setAttribute(ATTR_USR, usrname)
}


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] FUNDAMENTALS-4: Establish trust boundaries Oracle
[3] Standards Mapping - Common Weakness Enumeration CWE ID 501
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[5] Standards Mapping - FIPS200 SI
[6] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[9] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[10] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[12] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[13] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[15] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[16] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[39] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.kotlin.trust_boundary_violation
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。

例 1: 次のコードは、iOS extension からホスト webview に信頼できないアイテムを渡します。


#import <MobileCoreServices/MobileCoreServices.h>

- (IBAction)done {
...
[self.extensionContext completeRequestReturningItems:@[untrustedItem] completionHandler:nil];
}


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] Standards Mapping - Common Weakness Enumeration CWE ID 501
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[4] Standards Mapping - FIPS200 SI
[5] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[8] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[9] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[11] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[12] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[15] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[16] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.objc.trust_boundary_violation
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。
例 1: 次のコードは usrname cookie を受け取り、そのユーザーが認証済みであることを確認する前に HTTP DB セッションに受け取った値を格納しています。


...
IF (OWA_COOKIE.get('usrname').num_vals != 0) THEN
usrname := OWA_COOKIE.get('usrname').vals(1);
END IF;
IF (v('ATTR_USR') IS null) THEN
HTMLDB_UTIL.set_session_state('ATTR_USR', usrname);
END IF;
...


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] Standards Mapping - Common Weakness Enumeration CWE ID 501
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[4] Standards Mapping - FIPS200 SI
[5] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[8] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[9] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[11] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[12] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[15] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[16] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.sql.trust_boundary_violation
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。

例 1: 次の Python コードは HTTP リクエストを受け付けて、ユーザーが確実に認証されているか確認する前に username パラメーターを HTTP セッション オブジェクトに格納しています。


uname = request.GET['username']
request.session['username'] = uname


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] Standards Mapping - Common Weakness Enumeration CWE ID 501
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[4] Standards Mapping - FIPS200 SI
[5] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[8] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[9] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[11] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[12] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[15] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[16] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.python.trust_boundary_violation
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。

例 1: 次のコードは、iOS extension からホスト webview に信頼できないアイテムを渡します。


import MobileCoreServices

@IBAction func done() {
...
self.extensionContext!.completeRequestReturningItems([unstrustedItem], completionHandler: nil)
}


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] Standards Mapping - Common Weakness Enumeration CWE ID 501
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[4] Standards Mapping - FIPS200 SI
[5] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[8] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[9] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[11] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[12] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[15] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[16] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.swift.trust_boundary_violation
Abstract
同一のデータ構造に信頼できるデータと信頼できないデータを混在させると、プログラマが誤って未検証のデータを信頼する可能性が高くなります。
Explanation
信頼境界は、プログラム内部に引かれた線と考えることができます。線の片側ではデータは信頼できません。線の反対側では、データは信頼できるものと仮定されます。検証ロジックの目的は、データが信頼境界を安全に越え、信頼できない側から信頼される側に移れるようにすることです。

信頼されているものと信頼されていないものを分ける線がプログラムで不明確な場合に、Trust Boundary Violation が発生します。この誤りを犯す最も多いケースは、信頼できるデータと信頼できないデータを同一のデータ構造に混在させている場合です。

例 1: 次のコードは HTTP リクエストを受け付けて、ユーザーが確実に認証されているか確認する前に usrname パラメーターを HTTP セッション オブジェクトに格納しています。


...
Dim Response As Response
Dim Request As Request
Dim Session As Session
Dim Application As Application
Dim Server As Server
Dim usrname as Variant
Set Response = objContext("Response")
Set Request = objContext("Request")
Set Session = objContext("Session")
Set Application = objContext("Application")

usrname = Request.Form("usrname")
If IsNull(Session("ATTR_USR")) Then
Session("ATTR_USR") = usrname
End If
...


信頼境界が正しく確立され維持されていないと、どのデータが検証済みで、どれが未検証かをプログラマが追跡できなくなります。その結果、一部のデータが事前検証なしに使用されることになります。
References
[1] M. Howard, D. LeBlanc Writing Secure Code, Second Edition Microsoft Press
[2] Standards Mapping - Common Weakness Enumeration CWE ID 501
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-001084, CCI-002754
[4] Standards Mapping - FIPS200 SI
[5] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 SC-3 Security Function Isolation, SI-10 Information Input Validation
[8] Standards Mapping - OWASP Mobile 2014 M8 Security Decisions Via Untrusted Inputs
[9] Standards Mapping - OWASP Mobile 2024 M4 Insufficient Input/Output Validation
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-CODE-4, MASVS-PLATFORM-1
[11] Standards Mapping - OWASP Top 10 2004 A1 Unvalidated Input
[12] Standards Mapping - OWASP Top 10 2021 A04 Insecure Design
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.1
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.1
[15] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[16] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[38] Standards Mapping - Web Application Security Consortium Version 2.00 Improper Input Handling (WASC-20)
desc.dataflow.vb.trust_boundary_violation
Abstract
関数は unsigned char キャストを int に戻しますが、その戻り値は char タイプに割り当てられます。
Explanation
整数に対する符号なしの文字キャストが符号付き文字に割り当てられた場合、その値は EOF と区別できなくなる可能性があります。

例 1: 次のコードは文字を読み取り、その文字と EOF を比較します。


char c;

while ( (c = getchar()) != '\n' && c != EOF ) {
...
}


この場合、getchar() の戻り値は char にキャストされ、EOF (int) と比較されます。cが 8 ビットの符号付きの値で、EOF が 32 ビットの符号付きの値であると家庭した場合、0xFF で表わされる文字を getchar() が返すと、c の値は EOF と比較して、0xFFFFFFFF に拡張された符号となります。通常 EOF は -1 (0xFFFFFFFF) と定義されるため、このループは誤って終了します。
References
[1] Distinguish between characters read from a file and EOF or WEOF CERT
[2] Standards Mapping - Common Weakness Enumeration CWE ID 192
[3] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C Guidelines 2012 Rule 10.3
[4] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C Guidelines 2023 Rule 7.5, Rule 7.6, Rule 10.3
[5] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C++ Guidelines 2008 Rule 5-0-3
[6] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C++ Guidelines 2023 Rule 7.0.5, Rule 7.0.6
[7] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.6
[8] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.6
[9] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.6
[10] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.6
[11] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[12] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[13] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 4.2 - Critical Asset Protection
[14] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 4.2 - Critical Asset Protection
[15] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 4.2 - Critical Asset Protection
[16] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3550 CAT I
[17] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3550 CAT I
[18] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3550 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3550 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3550 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3550 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3550 CAT I
desc.structural.cpp.type_mismatch_integer_to_character
Abstract
この関数は符号なしの値を返すように宣言されていますが、場合によっては負の値を返そうとすることがあります。
Explanation
符号付き数値と符号なし数値の間の暗黙的なキャストを信頼するのは危険です。キャストの結果、予期しない値が発生し、プログラムの別の場所での貧弱な想定が破られる可能性があるためです。

例 1: この例では、変数 amount は返されるときに負の値を保持する可能性があります。関数で符号なし int を返すよう宣言されているため、amount は暗黙で符号なしに変換されます。


unsigned int readdata () {
int amount = 0;
...
if (result == ERROR)
amount = -1;
...
return amount;
}
Example 1 のエラー条件が満たされると、readdata() の戻り値は、32 ビット整数を使用するシステムで 4,294,967,295 になります。

符号付き値と符号なし値の変換は、さまざまなエラーにつながる可能性がありますが、セキュリティに関するものとしては、Integer Overflow と Buffer Overflow の脆弱性に関連するエラーが最も頻繁に発生します。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 195
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002824
[3] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C Guidelines 2012 Rule 10.3
[4] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C Guidelines 2023 Rule 7.5, Rule 7.6, Rule 10.3, Rule 21.18
[5] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C++ Guidelines 2008 Rule 5-0-3
[6] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C++ Guidelines 2023 Rule 7.0.5, Rule 7.0.6
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 SI-16 Memory Protection (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 SI-16 Memory Protection
[9] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.6
[10] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.6
[11] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.6
[12] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.6
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[15] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 4.2 - Critical Asset Protection
[16] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 4.2 - Critical Asset Protection
[17] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 4.2 - Critical Asset Protection
[18] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3550 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3550 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3550 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3550 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3550 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3550 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3550 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002590 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002590 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002590 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002590 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002590 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002590 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002590 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002590 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002590 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002590 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002590 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002590 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002590 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002590 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002590 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002590 CAT I
desc.structural.cpp.type_mismatch_negative_to_unsigned
Abstract
符号なし変数に、符号付き数値が割り当てられています。
Explanation
符号付き数値と符号なし数値の間の暗黙的なキャストを信頼するのは危険です。キャストの結果、予期しない値が発生し、プログラムの別の場所での貧弱な想定が破られる可能性があるためです。

例 1: この例では、accecssmainframe() の戻り値に依存しているため、変数 amount は返されるときに負の値を保持する可能性があります。関数で符号なし値を返すよう宣言されているため、amount は暗黙で符号なしの数値にキャストされます。


unsigned int readdata () {
int amount = 0;
...
amount = accessmainframe();
...
return amount;
}
accessmainframe() の戻り値が -1 の場合、readdata() の戻り値は、32 ビット整数を使用するシステムで 4,294,967,295 になります。

符号付き値と符号なし値の変換は、さまざまなエラーにつながる可能性がありますが、セキュリティに関するものとしては、Integer Overflow と Buffer Overflow の脆弱性に関連するエラーが最も頻繁に発生します。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 195
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002824
[3] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C Guidelines 2012 Rule 10.3
[4] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C Guidelines 2023 Rule 7.5, Rule 7.6, Rule 10.3
[5] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C++ Guidelines 2008 Rule 5-0-3
[6] Standards Mapping - Motor Industry Software Reliability Association (MISRA) C++ Guidelines 2023 Rule 7.0.5, Rule 7.0.6
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 SI-16 Memory Protection (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 SI-16 Memory Protection
[9] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.6
[10] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.6
[11] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.6
[12] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.6
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[14] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[15] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 4.2 - Critical Asset Protection
[16] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 4.2 - Critical Asset Protection
[17] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 4.2 - Critical Asset Protection
[18] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3550 CAT I
[19] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3550 CAT I
[20] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3550 CAT I
[21] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3550 CAT I
[22] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3550 CAT I
[23] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3550 CAT I
[24] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3550 CAT I
[25] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002590 CAT I
[26] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002590 CAT I
[27] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002590 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002590 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002590 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002590 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002590 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002590 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002590 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002590 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002590 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002590 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002590 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-002590 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-002590 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-002590 CAT I
desc.structural.cpp.type_mismatch_signed_to_unsigned
Abstract
アプリケーションは、認証情報を設定せずに MongoDB クライアントを初期化します。
Explanation
攻撃者は、未認証の MongoDB サーバーを、保存されたデータのセキュリティを侵害するための標的とし、MongoDB のバージョンによっては、サーバーのセキュリティを侵害して内部ネットワークに侵入するための標的とすることがあります。

MongoDB サーバーに対して各種攻撃を使用し、基盤となるオペレーティング システム上で任意のコードを実行することができます。たとえば、過去に脆弱性が存在し、攻撃者は Server-Side JavaScript Injection によってリモートでコードを実行することがありました。また、オブジェクトを格納するためにコマンドを使用する場合、攻撃者はデシリアライズするエンドポイント上でリモート コードを実行するために、Java、Python、Ruby、PHP などの各言語のデシリアライズ ペイロードを格納することができます。

MongoDB サーバーが外部に公開されていない場合でも、外部の攻撃者は同じネットワーク上の任意のアプリケーションで Server-Side Request Forgery の脆弱性を利用してサーバーまたは REST API にアクセスできることに注意してください。たとえば MongoDB サーバーは、HTTP または Gopher プロトコルを使用して攻撃される可能性があります。

外部の攻撃から MongoDB ポートを保護しないと、セキュリティ上の大きな影響が発生する可能性があります。たとえば、単一の remove コマンドを使用して、外部の攻撃者はデータセット全体を削除することができます。最近、インターネット上で実行しているオープンな MongoDB の安全ではないインスタンスに対する悪意のある攻撃が報告されています。攻撃者はデータベースを消去し、復元のために身代金を支払うよう要求しました。
References
[1] MongoDB MongoDB Security
[2] Standards Mapping - Common Weakness Enumeration CWE ID 259
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000196, CCI-001199, CCI-003109
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), IA-11 Re-Authentication (P0), SA-4 Acquisition Process (P1), SC-28 Protection of Information at Rest (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SA-4 Acquisition Process, SC-11 Trusted Path, SC-28 Protection of Information at Rest
[14] Standards Mapping - OWASP API 2023 API2 Broken Authentication
[15] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[16] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[17] Standards Mapping - OWASP Mobile 2024 M8 Security Misconfiguration
[18] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[19] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[20] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[22] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[24] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 1.2.6, Requirement 6.2.4, Requirement 6.5.3, Requirement 8.3.1
[33] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 1.2.6, Requirement 6.2.4, Requirement 6.5.3, Requirement 8.3.1
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[35] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[36] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[37] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[59] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[60] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[61] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authentication (WASC-01)
[62] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication
desc.semantic.java.unauthenticated_service_mongodb
Abstract
アプリケーションは、認証情報を設定せずに MongoDB クライアントを初期化します。
Explanation
攻撃者は、未認証の MongoDB サーバーを、保存されたデータのセキュリティを侵害するための標的とし、MongoDB のバージョンによっては、サーバーのセキュリティを侵害して内部ネットワークに侵入するための標的とすることがあります。

MongoDB サーバーに対して各種攻撃を使用し、基盤となるオペレーティング システム上で任意のコードを実行することができます。 たとえば、過去に脆弱性が存在し、攻撃者は Server-Side JavaScript Injection によってリモートでコードを実行することがありました。 また、オブジェクトを格納するためにコマンドを使用する場合、攻撃者はデシリアライズするエンドポイント上でリモート コードを実行するために、Java、Python、Ruby、PHP などの各言語のデシリアライズ ペイロードを格納することができます。

MongoDB サーバーが外部に公開されていない場合でも、外部の攻撃者は同じネットワーク上の任意のアプリケーションで Server-Side Request Forgery の脆弱性を利用してサーバーまたは REST API にアクセスできることに注意してください。 たとえば MongoDB サーバーは、HTTP または Gopher プロトコルを使用して攻撃される可能性があります。

外部の攻撃から MongoDB ポートを保護しないと、セキュリティ上の大きな影響が発生する可能性があります。 たとえば、単一の remove コマンドを使用して、外部の攻撃者はデータセット全体を削除することができます。 最近、インターネット上で実行しているオープンな MongoDB の安全ではないインスタンスに対する悪意のある攻撃が報告されています。 攻撃者はデータベースを消去し、復元のために身代金を支払うよう要求しました。
References
[1] MongoDB MongoDB Security
[2] Standards Mapping - Common Weakness Enumeration CWE ID 259
[3] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[4] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[5] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000196, CCI-001199, CCI-003109
[10] Standards Mapping - FIPS200 IA
[11] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[12] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), IA-11 Re-Authentication (P0), SA-4 Acquisition Process (P1), SC-28 Protection of Information at Rest (P1)
[13] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SA-4 Acquisition Process, SC-11 Trusted Path, SC-28 Protection of Information at Rest
[14] Standards Mapping - OWASP API 2023 API2 Broken Authentication
[15] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[16] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[17] Standards Mapping - OWASP Mobile 2024 M8 Security Misconfiguration
[18] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[19] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[20] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[21] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[22] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[23] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[24] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 1.2.6, Requirement 6.2.4, Requirement 6.5.3, Requirement 8.3.1
[33] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 1.2.6, Requirement 6.2.4, Requirement 6.5.3, Requirement 8.3.1
[34] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[35] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[36] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[37] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[38] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[46] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[47] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[48] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[49] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[50] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[51] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[52] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[53] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[54] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[55] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[56] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[57] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[58] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[59] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[60] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[61] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authentication (WASC-01)
[62] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication
desc.semantic.python.unauthenticated_service_mongodb
Abstract
アプリケーションは、認証情報を設定せずに Redis クライアントを初期化します。
Explanation
未認証の Redis サーバーは、攻撃者がサーバーのセキュリティを侵害して内部ネットワークに侵入するための標的になることがあります。

Redis サーバーに対して各種攻撃を使用し、基盤となるオペレーティング システム上で任意のコードを実行することができます。 たとえば、攻撃者は Redis コマンドを使用して Web シェルを Web ルートに書き込むことができます。 また、オブジェクトを格納するためにコマンドを使用する場合、攻撃者はデシリアライズするエンドポイント上でリモート コードを実行するために、Java、Python、Ruby、PHP などの各言語のデシリアライズ ペイロードを格納することができます。

Redis サーバーが外部に公開されていない場合でも、外部の攻撃者は同じネットワーク上の任意のアプリケーションで Server-Side Request Forgery の脆弱性を利用してサーバーにアクセスできることに注意してください。 たとえば Redis サーバーは、HTTP または Gopher プロトコルを使用して攻撃される可能性があります。

外部の攻撃から Redis ポートを保護しないと、Redis の性質上、セキュリティ上の大きな影響が発生する可能性があります。 たとえば、単一の FLUSHALL コマンドを使用して、外部の攻撃者はデータセット全体を削除することができます。 最近、インターネット上で実行しているオープンな Redis の安全ではないインスタンスに対する悪意のある攻撃が報告されています。 攻撃者はデータベースを消去し、復元のために身代金を支払うよう要求しました。
References
[1] Nicolas Grégoire Trying to hack Redis via HTTP requests
[2] Max Chadwick curl Based SSRF Exploits Against Redis
[3] Redis Redis Security
[4] Standards Mapping - Common Weakness Enumeration CWE ID 259
[5] Standards Mapping - Common Weakness Enumeration Top 25 2019 [13] CWE ID 287, [19] CWE ID 798
[6] Standards Mapping - Common Weakness Enumeration Top 25 2020 [14] CWE ID 287, [20] CWE ID 798
[7] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [16] CWE ID 798
[8] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287, [15] CWE ID 798
[9] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287, [18] CWE ID 798
[10] Standards Mapping - Common Weakness Enumeration Top 25 2024 [14] CWE ID 287, [22] CWE ID 798
[11] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000196, CCI-001199, CCI-003109
[12] Standards Mapping - FIPS200 IA
[13] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[14] Standards Mapping - NIST Special Publication 800-53 Revision 4 IA-5 Authenticator Management (P1), IA-11 Re-Authentication (P0), SA-4 Acquisition Process (P1), SC-28 Protection of Information at Rest (P1)
[15] Standards Mapping - NIST Special Publication 800-53 Revision 5 IA-5 Authenticator Management, SA-4 Acquisition Process, SC-11 Trusted Path, SC-28 Protection of Information at Rest
[16] Standards Mapping - OWASP API 2023 API2 Broken Authentication
[17] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.10.2 Service Authentication Requirements (L2 L3), 3.5.2 Token-based Session Management (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 6.4.1 Secret Management (L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.3 Malicious Code Search (L3)
[18] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[19] Standards Mapping - OWASP Mobile 2024 M8 Security Misconfiguration
[20] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[21] Standards Mapping - OWASP Top 10 2007 A8 Insecure Cryptographic Storage
[22] Standards Mapping - OWASP Top 10 2010 A7 Insecure Cryptographic Storage
[23] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[24] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[25] Standards Mapping - OWASP Top 10 2021 A02 Cryptographic Failures
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.8, Requirement 8.4
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.3, Requirement 6.5.8, Requirement 8.4
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.4
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[30] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[31] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[32] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.3.1, Requirement 6.5.3, Requirement 8.2.1
[33] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 1.2.6, Requirement 6.2.4, Requirement 6.5.3, Requirement 8.3.1
[34] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 1.2.6, Requirement 6.2.4, Requirement 6.5.3, Requirement 8.3.1
[35] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[36] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[37] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 2.2 - Secure Defaults, Control Objective 5.1 - Authentication and Access Control
[38] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 259
[39] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3340 CAT I, APP3350 CAT I
[46] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[47] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[48] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[49] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[50] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[51] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[52] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[53] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[54] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[55] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[56] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[57] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[58] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[59] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[60] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[61] Standards Mapping - Security Technical Implementation Guide Version 6.2 APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001740 CAT I, APSC-DV-002330 CAT II, APSC-DV-003270 CAT II, APSC-DV-003280 CAT I
[62] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authentication (WASC-01)
[63] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication
desc.controlflow.java.unauthenticated_service_redis