界: Encapsulation

封裝是要劃定清楚的界限。在網頁瀏覽器中,這可能意味著確保您的行動程式碼不會被其他行動程式碼濫用。在伺服器上,這可能意味著區分經過驗證的資料與未經驗證的資料、區分一個使用者的資料與另一個使用者的資料,或區分允許使用者查看的資料與不允許查看的資料。

System Information Leak: Internal

Abstract
顯示系統資料或除錯資訊有助於攻擊者瞭解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。
範例 1:下列程式碼會將 SAPFTP 版本資訊列印在螢幕上:


...
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.
...


根據選項螢幕的配置,可以將此資訊傾印到螢幕上,也可以直接傳送到印表機。在某些情況下,這個版本資訊正好可以告訴攻擊者這個系統容易受到哪種攻擊。透過相同的方式,錯誤訊息也可以告訴攻擊者系統容易受到哪種攻擊。例如,資料庫錯誤資訊即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤資訊還可揭露更多關於系統的間接線索。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將堆疊追蹤列印到「除錯」主控台或記錄檔:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤資訊會清楚地告訴攻擊者系統容易受到哪種攻擊。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,搜索路徑可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將異常訊息寫入除錯記錄:


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


錯誤訊息可讓攻擊者制訂攻擊計畫。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者瞭解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。
範例 1:以下程式碼建構資料庫連線字串,用以建立新的資料庫連線,並將其寫入主控台。


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者瞭解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。
範例 1:以下程式碼會將路徑環境變數列印到標準錯誤串流:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,這個錯誤資訊正好可以告訴攻擊者這個系統被入侵的可能性有多大。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,搜索路徑可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者瞭解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。
範例 1:以下程式碼會要求所有工作相關儲存區域、終端機控制表格以及指定資料區域的交易傾印:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤資訊會清楚地告訴攻擊者系統容易受到哪種攻擊。例如,資料庫錯誤資訊即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤資訊還可揭露更多關於系統的間接線索。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者了解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會寫入本機檔案系統上的檔案:


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


此資訊會寫入記錄檔。在某些情況下,該訊息會清楚地告訴攻擊者系統容易受到哪種攻擊。例如,資料庫錯誤資訊即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤資訊還可揭露更多關於系統的間接線索。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者瞭解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將異常寫入本機檔案:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。

在行動運算環境中,資訊洩漏也是令人擔心的事情。
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 - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.dart.system_information_leak_internal
Abstract
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過記錄或列印將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。
範例 1:以下程式碼會將路徑環境變數列印到標準錯誤串流:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤訊息會告訴攻擊者系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,搜索路徑可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者瞭解系統並制訂攻擊計畫。
Explanation
在系統資料或除錯資訊離開程式,然後透過通訊端或網路連線前往遠端機器時,會發生外部資訊洩漏。外部洩漏可能會向攻擊者洩漏有關作業系統、完整路徑名稱、存在的使用者名稱或組態設定檔位置的特定資料,較內部資訊洩漏更嚴重,因為攻擊者存取這些資料的難度更大。

範例 1:以下程式碼會在 HTTP 回應中洩漏異常資訊:


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


此資訊可能會暴露給遠端使用者。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。

在行動運算環境中,資訊洩漏也是令人擔心的事情。使用行動平台時,會從多種來源下載,並在相同裝置上一起執行應用程式。在金融應用程式旁執行惡意程式碼的可能性很高,因此應用程式作者需要留意向裝置上執行的其他應用程式傳送的訊息中應包括哪些資訊。

範例 2:以下程式碼會向註冊的所有 Android 接收者廣播所捕捉異常的堆疊追蹤。

...
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);
}
...


以下是行動環境中特有的另一種狀況。現在,多數行動裝置執行近距離無線通訊 (NFC) 通訊協定,以使用無線電通訊在裝置之間快速共用資訊。裝置距離極為接近或彼此接觸時,才會實現此通訊。即使將 NFC 的通訊範圍限制在幾公分距離,也可能發生竊聽、資料修改及其他多種類型的攻擊,因為 NFC 本身並不能確保安全通訊。

範例 3:Android 平台提供對 NFC 的支援。以下程式碼建立進入範圍內其他裝置的訊息。

...
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);
...


NFC 資料交換格式 (NDEF) 訊息包含輸入的資料、URI 或自訂應用程式裝載。若訊息包含應用程式的相關資訊 (例如其名稱、MIME 類型或裝置軟體版本),則可能會向竊聽者洩漏此資訊。
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 - 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
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將異常寫入標準錯誤串流:


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

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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將異常寫入標準錯誤串流:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。

在行動運算環境中,資訊洩漏也是令人擔心的事情。

範例 2:以下程式碼記錄了 Android 平台上所捕捉異常的堆疊追蹤。

...
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者了解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。
範例 1:以下程式碼會將系統資訊洩漏至系統記錄檔。


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

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


在行動環境中,若裝置遺失或被盜,就會產生關於維護系統資訊的其他擔憂。攻擊者一旦擁有 iOS 裝置,便可能透過 USB 連接裝置而存取大量資料。可以輕鬆存取 iOS Property Lists (plists) 等檔案及 SQLite 資料庫,並且可以洩露個人資訊。一般的原則是,不應將隱私相關資訊未加保護地儲存在檔案系統中。

範例 2:以下程式碼會新增 deviceID 項目到使用者預設值清單,並且立即將其儲存至 plist 檔案。


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

[defaults setObject:deviceID forKey:@"deviceID"];
[defaults synchronize];
...
Example 2 中的程式碼會在裝置上未加保護的 plist 檔案中儲存來自行動裝置的系統資訊。雖然許多開發者信任 plist 檔案是任何及所有資料的安全儲存位置,但不應對其絕對信賴,特別是關係到系統資訊和隱私問題時,因為 plist 檔案可由擁有裝置的任何人讀取。

根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,這個錯誤資訊正好可以告訴攻擊者這個系統被入侵的可能性有多大。例如,資料庫錯誤資訊即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤資訊還可揭露更多關於系統的間接線索。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者瞭解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將異常寫入標準錯誤串流:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將異常寫入標準輸出串流:


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


此資訊會傾印至主控台。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。
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 - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.python.system_information_leak_internal
Abstract
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將異常寫入標準錯誤串流:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。當然,Example 1 中的另一個問題是救援根 Exception 而非特定類型或錯誤/異常,表示它將捕捉到會潛在造成其他不重要負面影響的所有異常。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將系統資訊列印到標準輸出串流:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,錯誤訊息會為攻擊者提供系統容易受到哪些確切的攻擊類型影響。例如,資料庫錯誤訊息即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索。在 Example 1 中,洩漏的資訊可能會暗示有關作業系統類型、系統上安裝的應用程式,以及管理員在配置程式時所花費的努力等資訊。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊有助於攻擊者了解系統並制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。



在行動環境中,若裝置遺失或被盜,就會產生關於維護系統資訊的其他擔憂。攻擊者一旦擁有 iOS 裝置,便可能透過 USB 連接裝置而存取大量資料。可以輕鬆存取 iOS Property Lists (plists) 等檔案及 SQLite 資料庫,並且可以洩露個人資訊。一般的原則是,不應將隱私相關資訊未加保護地儲存在檔案系統中。

範例 1:以下程式碼會將裝置識別碼列印到系統記錄檔:


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


根據系統配置,可以將資訊傾印到主控台,寫入記錄檔,或者顯示給使用者。在某些情況下,這個錯誤資訊正好可以告訴攻擊者這個系統被入侵的可能性有多大。例如,資料庫錯誤資訊即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤資訊還可揭露更多關於系統的間接線索。
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 - 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_internal
Abstract
顯示系統資料或除錯資訊可讓攻擊者使用系統資訊制訂攻擊計畫。
Explanation
在透過列印或記錄將系統資料或除錯資訊傳送至本機檔案、主控台或螢幕時,會發生內部資訊洩漏。

範例 1:以下程式碼會將 ASPError 物件傳送至指令碼偵錯工具 (如 Microsoft 指令碼偵錯工具):


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


在某些情況下,錯誤資訊會清楚地告訴攻擊者系統容易受到哪種攻擊。例如,資料庫錯誤資訊即可揭露應用程式容易受到 SQL injection 攻擊。其他錯誤訊息還可揭露更多關於系統的間接線索,例如有關作業系統類型、系統上安裝的應用程式,以及管理員在設定程式時所花費的精力等資訊。
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 - 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_internal