1431 見つかった項目
脆弱性
Abstract
アプリケーションは、クラス レベルまたはメソッド レベルの [AllowAnonymous] 属性を使用して、[Authorize] 属性による認証をバイパスします。
Explanation
ASP.NET Core では、[Authorize] 属性をクラスまたはメソッドに追加することにより、アプリケーション アクションで認証を要求するようにできます。さらに、[AllowAnonymous] 属性を追加することで、アプリケーション クラスまたはメソッドの指定された認証要件をバイパスできます。両方を指定すると、[AllowAnonymous] 属性が優先され、[Authorize] 属性はバイパスされます。これにより、攻撃者が、機密データやアクションに対して無作為で匿名のアクセスを行う可能性があります。

例 1: 次の例は、クラス レベルの [AllowAnonymous] 属性が、メソッドに設定された [Authorize] 属性をオーバーライドしていることを示しています。[Authorize] 属性があるにもかかわらず、secretAction() メソッドは認証を要求しません。


...
[AllowAnonymous]
public class Authorization_Test
{
[Authorize]
public IActionResult secretAction()
{

}
}
...
例 2: 次の例は、スーパークラスのクラス レベルの [AllowAnonymous] 属性が、サブクラスのメソッドに設定された [Authorize] 属性をオーバーライドしていることを示しています。継承されたクラス Inherit_AA[AllowAnonymous] 属性があるため、secretAction() メソッドは、[Authorize] 属性を指定していても認証を要求しません。


...
[AllowAnonymous]
public abstract class Inherit_AA
{

}

public class Authorization_Test:Inherit_AA
{
[Authorize]
public IActionResult secretAction()
{

}
}
...
例 3: 以下は、[AllowAnonymous] 属性が、継承を使用して、メソッド レベルで [Authorize] 属性をオーバーライドしていることを示しています。継承されたクラス secretAction()[AllowAnonymous] 属性があるため、secretAction() メソッドは、オーバーライドするメソッドで [Authorize] 属性を指定していても認証を要求しません。


...
public abstract class Inherit_AA
{
[AllowAnonymous]
public abstract IActionResult secretAction()
{

}
}

public class Authorization_Test:Inherit_AA
{
[Authorize]
public override IActionResult secretAction()
{

}
}
...
References
[1] Rick Anderson et al. Simple authorization in ASP.NET Core Microsoft
[2] Standards Mapping - Common Weakness Enumeration CWE ID 862, CWE ID 285
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [25] CWE ID 862
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [16] CWE ID 862
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [11] CWE ID 862
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[8] Standards Mapping - FIPS200 AC
[9] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), SC-3 Security Function Isolation (P1)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, SC-3 Security Function Isolation
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 1.4.2 Access Control Architectural Requirements (L2 L3), 1.4.4 Access Control Architectural Requirements (L2 L3), 1.4.2 Access Control Architectural Requirements (L2 L3), 1.4.4 Access Control Architectural Requirements (L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[14] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[15] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[17] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[18] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[19] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[20] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[32] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.dotnet.dotnet_attribute_misuse_authorization_bypass
Abstract
デバッグ コードは、展開時に意図しない結果を引き起こす可能性があります。
Explanation
デバッグのみを目的とした API が使用されます。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 489
[2] Standards Mapping - General Data Protection Regulation (GDPR) Indirect Access to Sensitive Data
[3] Standards Mapping - OWASP Application Security Verification Standard 4.0 14.2.2 Dependency (L1 L2 L3), 14.3.2 Unintended Security Disclosure Requirements (L1 L2 L3)
[4] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[5] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[6] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.10
[7] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.6
[8] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.5
[9] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.5
[10] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.5
[11] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.5
[12] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.5
[13] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[14] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 3.6 - Sensitive Data Retention
[15] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 3.6 - Sensitive Data Retention
[16] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 3.6 - Sensitive Data Retention
[17] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3620 CAT II
[18] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3620 CAT II
[19] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3620 CAT II
[20] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3620 CAT II
[21] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3620 CAT II
[22] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3620 CAT II
[23] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3620 CAT II
desc.structural.dotnet.dotnet_bad_practices_leftover_debug_code
Abstract
ユーザー権限を確認しないで SOQL ステートメントを実行すると、攻撃者が権限のないエントリを変更できるようになることがあります。
Explanation
Access Control の脆弱性は、攻撃者が、承認されたユーザーに限定されたリソースにアクセスできる場合に発生します。

SObjects および SObject フィールドが使用されている場合、Visualforce アプリケーションはデフォルトでオブジェクトレベルのセキュリティ (CRUD) およびフィールドレベルのセキュリティ (FLS) を自動的に適用します。ただし、オブジェクトおよびフィールドが汎用データ タイプとして参照されている場合、これらのメカニズムは適用されず、Access Control チェックをプログラムで実装する必要があります。

例 1: 次のコード例では、カスタム setter メソッドを使用してフィールドが更新されるため、認証チェックが必要になります。

<apex:page controller="accessControl">
<apex:pageBlock >
<apex:pageBlockSection >
<apex:outputText value="Survey Name: "/>
<apex:inputText value="{!surveyName}"/>
</apex:pageBlockSection>
<apex:pageBlockSection >
<apex:outputText value="New Name: "/>
<apex:inputText value="{!newSurveyName}"/>
</apex:pageBlockSection>
<apex:pageBlockSection >
<apex:commandButton value="Update" action="{!updateName}"/>
</apex:pageBlockSection>
</apex:pageBlock>
</apex:page>

public String surveyName { get; set; }
public String newSurveyName { get; set; }
public PageReference updateName() {
Survey__c s = [SELECT Name FROM Survey__c WHERE Name=:surveyName];

s.Name = newSurveyName;
update s;

PageReference page = ApexPages.currentPage();
page.setRedirect(true);
return page;
}
References
[1] Salesforce Developers Technical Library Secure Coding Guidelines - Authorization and Access Control
[2] Salesforce Developers Technical Library Testing CRUD and FLS Enforcement
[3] Salesforce Developers Technical Library Enforcing CRUD and FLS
[4] Salesforce Developers Technical Library Visualforce Developers Guide - Standard Controllers
[5] Standards Mapping - Common Weakness Enumeration CWE ID 566
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-000345, CCI-001084, CCI-002165
[8] Standards Mapping - FIPS200 AC
[9] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[10] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AU-9 Protection of Audit Information (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1), SC-24 Fail in Known State (P1)
[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AU-9 Protection of Audit Information, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation, SC-24 Fail in Known State
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 1.2.2 Authentication Architectural Requirements (L2 L3), 1.2.3 Authentication Architectural Requirements (L2 L3), 1.2.4 Authentication Architectural Requirements (L2 L3), 1.4.2 Access Control Architectural Requirements (L2 L3), 1.4.4 Access Control Architectural Requirements (L2 L3), 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 9.2.3 Server Communications Security Requirements (L2 L3), 10.2.1 Malicious Code Search (L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3), 14.5.1 Validate HTTP Request Header Requirements (L1 L2 L3), 14.5.4 Validate HTTP Request Header Requirements (L1 L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[14] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[15] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[16] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[18] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[19] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[20] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[21] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[29] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[32] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[33] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[34] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001280 CAT II, APSC-DV-001290 CAT II, APSC-DV-001300 CAT II, APSC-DV-001310 CAT II, APSC-DV-001320 CAT II, APSC-DV-001330 CAT II, APSC-DV-001410 CAT II, APSC-DV-002310 CAT I, APSC-DV-002360 CAT II, APSC-DV-002960 CAT II
[55] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001280 CAT II, APSC-DV-001290 CAT II, APSC-DV-001300 CAT II, APSC-DV-001310 CAT II, APSC-DV-001320 CAT II, APSC-DV-001330 CAT II, APSC-DV-001410 CAT II, APSC-DV-002310 CAT I, APSC-DV-002360 CAT II, APSC-DV-002960 CAT II
[56] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[57] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.apex.access_control_update
Abstract
アプリケーションによって、攻撃者は AWS S3 バケットまたはオブジェクトの Access Control Policy (ACP) を操作できるようになります。
Explanation
アプリケーションによって、攻撃者は AWS S3 バケットまたはオブジェクトに付与された権限を制御できるようになります。これによって、攻撃者はコンテンツの読み取りや任意のファイルの書き込みを可能にするような脆弱なポリシーを設定することができます。

例 1: 次のコードは、ユーザーによって指定された Access Control Policy を使用して新しいバケットを作成します。



String canned_acl = request.getParameter("acl");

CreateBucketRequest createBucketRequest = CreateBucketRequest.builder()
.bucket("foo")
.acl(canned_acl)
.createBucketConfiguration(CreateBucketConfiguration.builder().locationConstraint(region.id()).build())
.build();



アプリケーションが acl パラメーターが限定されたセットから選択されることを期待している場合でも、攻撃者はそれを public-read-write に設定し、バケットへの完全な匿名アクセス権を付与することができます。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 287, CWE ID 359
[2] Standards Mapping - Common Weakness Enumeration Top 25 2019 [4] CWE ID 200, [13] CWE ID 287
[3] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200, [14] CWE ID 287
[4] Standards Mapping - Common Weakness Enumeration Top 25 2021 [14] CWE ID 287, [20] CWE ID 200
[5] Standards Mapping - Common Weakness Enumeration Top 25 2022 [14] CWE ID 287
[6] Standards Mapping - Common Weakness Enumeration Top 25 2023 [13] CWE ID 287
[7] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-002475
[8] Standards Mapping - General Data Protection Regulation (GDPR) Insufficient Data Protection
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 CM-5 Access Restrictions for Change (P1), SC-28 Protection of Information at Rest (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 CM-5 Access Restrictions for Change, SC-28 Protection of Information at Rest
[11] Standards Mapping - OWASP API 2023 API1 Broken Object Level Authorization
[12] Standards Mapping - OWASP Application Security Verification Standard 4.0 2.7.1 Out of Band Verifier Requirements (L1 L2 L3), 2.7.2 Out of Band Verifier Requirements (L1 L2 L3), 2.7.3 Out of Band Verifier Requirements (L1 L2 L3), 2.8.4 Single or Multi Factor One Time Verifier Requirements (L2 L3), 2.8.5 Single or Multi Factor One Time Verifier Requirements (L2 L3), 3.7.1 Defenses Against Session Management Exploits (L1 L2 L3), 8.2.2 Client-side Data Protection (L1 L2 L3), 8.3.4 Sensitive Private Data (L1 L2 L3), 10.2.1 Malicious Code Search (L2 L3)
[13] Standards Mapping - OWASP Mobile 2014 M2 Insecure Data Storage
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-STORAGE-1
[15] Standards Mapping - OWASP Top 10 2004 A8 Insecure Storage
[16] Standards Mapping - OWASP Top 10 2007 A6 Information Leakage and Improper Error Handling
[17] Standards Mapping - OWASP Top 10 2013 A6 Sensitive Data Exposure
[18] Standards Mapping - OWASP Top 10 2017 A3 Sensitive Data Exposure
[19] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 8.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.6, Requirement 8.4
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 3.2, Requirement 3.4, Requirement 4.2, Requirement 6.5.5, Requirement 8.2.1
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 7.3.2
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3210.1 CAT II, APP3310 CAT I, APP3340 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3210.1 CAT II, APP3340 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3210.1 CAT II, APP3340 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3210.1 CAT II, APP3340 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3210.1 CAT II, APP3340 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3210.1 CAT II, APP3340 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3210.1 CAT II, APP3340 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-002340 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-002340 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-002340 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-002340 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-002340 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-002340 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-002340 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-002340 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-002340 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-002340 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-002340 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-002340 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-002340 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-001410 CAT II, APSC-DV-002340 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-001410 CAT II, APSC-DV-002340 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Information Leakage (WASC-13)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Information Leakage
desc.dataflow.java.access_control.acl_manipulation
Abstract
適切な Access Control なしでユーザーが制御する項目名を使用して、SimpleDB データベースにアクセスされると、攻撃者が承認されていないレコードを表示することが可能になります。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. データは、SimpleDB アクセスコールで項目名を指定するために使用されます。
例 1: 次のコードは、トランザクションの日付を基準に命名される領収書のデータベースに対して操作を実行します。このプログラムは最初に顧客を認証して、次に、前のリストから領収書を選択させています。


...
String selectedInvoice = request.getParameter("invoiceDate");
...
AmazonSimpleDBClient sdbc = new AmazonSimpleDBClient(appAWSCredentials);
GetAttributesResult sdbResult = sdbc.getAttributes(new GetAttributesRequest("invoices", selectedInvoice));
...
Example 1 のコードは、現在のユーザーに属する領収書のリストを生成しますが、攻撃者はこの動作を回避して希望する任意の領収書をリクエストすることができます。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 566
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[29] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[30] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.java.access_control_amazon_web_services
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQLite ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
Access Control エラーは次の場合に SQLite クエリで発生します。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQLite クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして Query String Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、ユーザーが指定した識別子と一致する領収書を検索する SQLite クエリを作成し、実行します。


...
id = this.getIntent().getExtras().getInt("id");
cursor = db.query(Uri.parse(invoices), columns, "id = ? ", {id}, null, null, null);
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがクエリにより生成されますが、攻撃者はこの動作を回避して希望する任意の領収書をリクエストすることができます。この例のコードの場合、リクエストされた領収書へのアクセス権限がユーザーにあるか確認しないため、現在のユーザー以外のものも含め、リクエスト通りに領収書を表示します。
References
[1] Android Developers-Reference: SQLite Database
[2] S. J. Friedl SQL Injection Attacks by Example
[3] Standards Mapping - Common Weakness Enumeration CWE ID 566
[4] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[5] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[6] Standards Mapping - FIPS200 AC
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[11] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[12] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.java.access_control_android_provider
Abstract
適切な Access Control がない場合、ユーザーの制御下にある値を含む LDAP ステートメントを実行すると、攻撃者は権限のないレコードにアクセスできます。
Explanation
匿名バインドの元で、LDAP クエリを実行すると、事実上 Authentication が行われてなくても、攻撃者は脆弱な設定となっている LDAP 環境を侵害できます。

例 1: 次のコードは、匿名バインドを使用して、DirectoryEntry de を作成します。


...
de = new DirectoryEntry("LDAP://ad.example.com:389/ou=People,dc=example,dc=com");
...
de に対するすべての LDAP クエリは、Authentication および Access Control なしで実行されます。攻撃者は予期しない方法でこれらのクエリのいずれかを操作して、ディレクトリの Access Control メカニズムにより保護されている可能性があるレコードにアクセスする可能性があります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 285
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-000804, CCI-001084, CCI-002165
[3] Standards Mapping - FIPS200 AC
[4] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[5] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-8 Identification and Authentication (Non-Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[6] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), IA-8 Identification and Authentication (Non-Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[7] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3)
[8] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[9] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A10 Failure to Restrict URL Access
[13] Standards Mapping - OWASP Top 10 2010 A8 Failure to Restrict URL Access
[14] Standards Mapping - OWASP Top 10 2013 A7 Missing Function Level Access Control
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2, Requirement 7.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.10, Requirement 7.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8, Requirement 7.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8, Requirement 7.2
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8, Requirement 7.2
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8, Requirement 7.2
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8, Requirement 7.2
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 7.3.2
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[29] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.dotnet.access_control_anonymous_ldap_bind
Abstract
適切な Access Control がない場合、ユーザーの制御下にある値を含む LDAP ステートメントを実行すると、攻撃者は権限のないレコードにアクセスできます。
Explanation
匿名バインドの元で、LDAP クエリを実行すると、事実上 Authentication が行われてなくても、攻撃者は脆弱な設定となっている LDAP 環境を侵害できます。

例 1: 次のコードは ldap_simple_bind_s() を使用して、LDAP ディレクトリを匿名でバインドします。


...
rc = ldap_simple_bind_s( ld, NULL, NULL );
if ( rc != LDAP_SUCCESS ) {
...
}
...
ld に対するすべての LDAP クエリは、Authentication および Access Control なしで実行されます。攻撃者は予期しない方法でこれらのクエリのいずれかを操作して、ディレクトリの Access Control メカニズムにより保護されている可能性があるレコードにアクセスする可能性があります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 285
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-000804, CCI-001084, CCI-002165
[3] Standards Mapping - FIPS200 AC
[4] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[5] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-8 Identification and Authentication (Non-Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[6] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), IA-8 Identification and Authentication (Non-Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[7] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3)
[8] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[9] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A10 Failure to Restrict URL Access
[13] Standards Mapping - OWASP Top 10 2010 A8 Failure to Restrict URL Access
[14] Standards Mapping - OWASP Top 10 2013 A7 Missing Function Level Access Control
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2, Requirement 7.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.10, Requirement 7.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8, Requirement 7.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8, Requirement 7.2
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8, Requirement 7.2
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8, Requirement 7.2
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8, Requirement 7.2
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 7.3.2
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[29] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.cpp.access_control_anonymous_ldap_bind
Abstract
適切な Access Control がない場合、ユーザーの制御下にある値を含む LDAP ステートメントを実行すると、攻撃者は権限のないレコードにアクセスできます。
Explanation
匿名バインドの元で、LDAP クエリを実行すると、事実上 Authentication が行われてなくても、攻撃者は脆弱な設定となっている LDAP 環境を侵害できます。

例 1: 次のコードは、匿名バインドを使用して、DirContext ctx を作成します。


...
env.put(Context.SECURITY_AUTHENTICATION, "none");
DirContext ctx = new InitialDirContext(env);
...
ctx に対するすべての LDAP クエリは、Authentication および Access Control なしで実行されます。攻撃者は予期しない方法でこれらのクエリのいずれかを操作して、ディレクトリの Access Control メカニズムにより保護されている可能性があるレコードにアクセスする可能性があります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 285
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-000804, CCI-001084, CCI-002165
[3] Standards Mapping - FIPS200 AC
[4] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[5] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-8 Identification and Authentication (Non-Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[6] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), IA-8 Identification and Authentication (Non-Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[7] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3)
[8] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[9] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A10 Failure to Restrict URL Access
[13] Standards Mapping - OWASP Top 10 2010 A8 Failure to Restrict URL Access
[14] Standards Mapping - OWASP Top 10 2013 A7 Missing Function Level Access Control
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2, Requirement 7.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.10, Requirement 7.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8, Requirement 7.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8, Requirement 7.2
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8, Requirement 7.2
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8, Requirement 7.2
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8, Requirement 7.2
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 7.3.2
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[29] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.java.access_control_anonymous_ldap_bind
Abstract
適切な Access Control がない場合、ユーザーが制御する値を含む LDAP ステートメントを実行すると、攻撃者は権限のないレコードにアクセスできるようになる可能性があります。
Explanation
匿名バインドのもとで認証なしで効果的に LDAP クエリを実行すると、攻撃者は設定が不十分な LDAP 環境を悪用できるようになる可能性があります。

例 1: 次のコードでは、ユーザーが空のパスワードを入力した場合に匿名バインドを作成しています。


...
$ldapbind = ldap_bind ($ldap, $dn, $password = "" );
...


この接続を介して実行される、それに続くすべての LDAP クエリは、認証もアクセス制御もなく実行されます。攻撃者はこれらのクエリのいずれかを予期しない方法で操作して、ディレクトリのアクセス制御メカニズムで保護されていたはずのレコードに対するアクセス権を得る可能性があります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 285
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-000804, CCI-001084, CCI-002165
[3] Standards Mapping - FIPS200 AC
[4] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[5] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-8 Identification and Authentication (Non-Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[6] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), IA-8 Identification and Authentication (Non-Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[7] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3)
[8] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[9] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[10] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A10 Failure to Restrict URL Access
[13] Standards Mapping - OWASP Top 10 2010 A8 Failure to Restrict URL Access
[14] Standards Mapping - OWASP Top 10 2013 A7 Missing Function Level Access Control
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2, Requirement 7.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.10, Requirement 7.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8, Requirement 7.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8, Requirement 7.2
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8, Requirement 7.2
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8, Requirement 7.2
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8, Requirement 7.2
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 7.3.2
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[29] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-001870 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.semantic.php.access_control_anonymous_ldap_bind
Abstract
パラメーターとして渡されるインジケーターに基づいて認証チェックをスキップするメソッドは、ユーザー制御のインジケーターを使用してコールしないでください。
Explanation
Access Control: Authorization Bypass の問題は、次の場合に発生します。

1. 信頼できないソースを経由してデータがプログラムに入り込んだ場合。

2.ユーザー制御のデータがパラメーターとしてメソッドに渡され、それが原因でメソッドによる内部の認証チェックがスキップされる場合。
例 1: 次のコードは、従業員データをフェッチするメソッドにユーザー制御のインジケーターを提供します。

...
PARAMETERS: p_xfeld TYPE xfeld.
...
CALL FUNCTION 'BAPI_EMPLOYEE_GETDATA'
EXPORTING
employee_id = emp_id
authority_check = p_xfeld
IMPORTING
return = ret
TABLES
org_assignment = org_data
personal_data = pers_data
internal_control = con_data
communication = comm_data
archivelink = arlink.
...


攻撃者がパラメーター p_xfeld に空白を指定した場合、従業員の個人情報や連絡先情報を返す前に、認証チェックは実行されません。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 863
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), CM-5 Access Restrictions for Change (P1), IA-5 Authenticator Management (P1), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, CM-5 Access Restrictions for Change, IA-5 Authenticator Management, SC-3 Security Function Isolation
[8] Standards Mapping - OWASP API 2023 API1 Broken Object Level Authorization
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 1.4.2 Access Control Architectural Requirements (L2 L3), 1.4.4 Access Control Architectural Requirements (L2 L3), 1.4.2 Access Control Architectural Requirements (L2 L3), 1.4.4 Access Control Architectural Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A5 Security Misconfiguration
[16] Standards Mapping - OWASP Top 10 2017 A6 Security Misconfiguration
[17] Standards Mapping - OWASP Top 10 2021 A05 Security Misconfiguration
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[29] Standards Mapping - SANS Top 25 2011 Risky Resource Management - CWE ID 676
[30] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3510 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3510 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3510 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3510 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3510 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3510 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3510 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001795 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001795 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.abap.access_control_authorization_bypass
Abstract
ユーザーが制御する値を持ち、適切なアクセス制御がされていない Azure Queue/Blob にアクセスすると、攻撃者が権限のない Queue/Blob やそのメッセージ/内容を参照/変更/削除できることになる可能性があります。
Explanation
次の場合には、Azure Cloud アクセス制御エラーが発生します。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. 権限のないキュー/blob やそのメッセージ/内容を参照/変更/削除するためにデータが使用された場合。
例 1: 次のコードは、指定されたキューとそのメッセージを削除します。


...
var queueName = queryStringData['name'];
var queueSvc;
queueSvc = azureStorage.createQueueService();
...
queueSvc.deleteQueue(queueName, option, function(error, response){
if(!error){
// all the messages has been deleted
}
});
...
例 2: 次のコードは、指定された blob コンテナとその内容を削除します。


...
var containerName = queryStringData['name'];
var blobSvc;
blobSvc = azureStorage.createBlobService();
...
blobSvc.deleteContainer(containerName, function (error, response) {
if (!error) {
// all the content in the given container has been deleted
}
});
...
Example 1Example 2 のコードは、現在のユーザー/プログラムに属する指定されたキュー/blob コンテナとそのメッセージ/内容を削除していますが、攻撃者は Azure アカウントの任意のキュー/blob を削除することができます。この例のコードはユーザー/プログラムが要求されたキュー/blob を消去する権限を持っているかを確認していないため、現在のユーザー/プログラムに属していないキュー/blob も消去されます。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 639
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[13] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[14] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.javascript.access_control_azure
Abstract
アプリケーションは、Android パッケージとユーザー制御値を、攻撃者がパッケージ名に基づいてアクセス制御を回避できるようにする大文字と小文字を区別しない方法で比較します。
Explanation
Android では、パッケージ名は大文字と小文字が区別されているため、大文字と小文字を区別する方法で比較する必要があります。 悪意のあるアプリケーションは、アクセス制御をすり抜けるられるように、さまざまな大文字と小文字を含む同じようなパッケージを共有する場合があります。

例 1: 次のコードは、アクセス制御のために安全でない文字列比較を実行します。


public boolean isTrusted(String paramString) {
if (this._applicationContext.getPackageName().equalsIgnoreCase(paramString)) {
return true;
}
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 285
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, SC-3 Security Function Isolation
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A10 Failure to Restrict URL Access
[14] Standards Mapping - OWASP Top 10 2010 A8 Failure to Restrict URL Access
[15] Standards Mapping - OWASP Top 10 2013 A7 Missing Function Level Access Control
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2, Requirement 7.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.3.1.5, Requirement 6.5.10, Requirement 7.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8, Requirement 7.2
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8, Requirement 7.2
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8, Requirement 7.2
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8, Requirement 7.2
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8, Requirement 7.2
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 7.3.1
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[29] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[30] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3470.1 CAT II, APP3470.4 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3470.1 CAT II, APP3470.4 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3470.1 CAT II, APP3470.4 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3470.1 CAT II, APP3470.4 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3470.1 CAT II, APP3470.4 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3470.1 CAT II, APP3470.4 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3470.1 CAT II, APP3470.4 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authentication (WASC-01)
[55] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication
desc.dataflow.java.access_control_case_insensitive_package_name_comparison
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、整数に依存するため、SQL Injection の脆弱性に対して脆弱ではないステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


DATA: id TYPE i.
...
id = request->get_form_field( 'invoiceID' ).

CONCATENATE `INVOICEID = '` id `'` INTO cl_where.
SELECT *
FROM invoices
INTO CORRESPONDING FIELDS OF TABLE itab_invoices
WHERE (cl_where).
ENDSELECT.
...


問題は、開発者が ID に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.abap.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
var params:Object = LoaderInfo(this.root.loaderInfo).parameters;
var id:int = int(Number(params["invoiceID"]));
var query:String = "SELECT * FROM invoices WHERE id = :id";

stmt.sqlConnection = conn;
stmt.text = query;
stmt.parameters[":id"] = id;
stmt.execute();
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.actionscript.access_control_database
Abstract
適切な Access Control がない場合、ユーザー指定の主キーが含まれている可能性のある SOQL/SOSL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SOQL/SOSL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコード例では、inputID 値は事前定義されたリストから取得されていて、バインド変数は SOQL/SOSL Injection を防止するのに役立ちます。


...
result = [SELECT Name, Phone FROM Contact WHERE (IsDeleted = false AND Id=:inputID)];
...


上記の例で問題となるのは、事前定義された ID リストを使用するだけでは、ユーザーによる inputID の値の変更を防止するには不十分なことです。攻撃者がインターフェイスをバイパスし、別の値を使用してリクエストを送信できる場合は、他の連絡先情報にアクセスできてしまいます。この例のコードの場合、リクエストされた連絡先へのアクセス権限がユーザーにあるか確認しないため、ユーザーがこの連絡先を表示する権限がない場合でも、すべての連絡先が表示されます。
References
[1] Salesforce Developers Technical Library Secure Coding Guidelines - Authorization and Access Control
[2] Salesforce Developers Technical Library Testing CRUD and FLS Enforcement
[3] Salesforce Developers Technical Library Enforcing CRUD and FLS
[4] Standards Mapping - Common Weakness Enumeration CWE ID 566
[5] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[6] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[7] Standards Mapping - FIPS200 AC
[8] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[9] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[10] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[12] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[13] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[14] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[15] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[17] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[18] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[19] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[20] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[28] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[31] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.apex.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む LINQ ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。

2. LINQ クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、指定された識別子と一致する領収書を検索する LINQ クエリを実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...

int16 id = System.Convert.ToInt16(invoiceID.Text);
var invoice = OrderSystem.getInvoices()
.Where(new Invoice { invoiceID = id });
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.dotnet.access_control_linq
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
CMyRecordset rs(&dbms);
rs.PrepareSQL("SELECT * FROM invoices WHERE id = ?");
rs.SetParam_int(0,atoi(r.Lookup("invoiceID").c_str()));
rs.SafeExecuteSQL();
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.cpp.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1:次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
ACCEPT ID.
EXEC SQL
DECLARE C1 CURSOR FOR
SELECT INVNO, INVDATE, INVTOTAL
FROM INVOICES
WHERE INVOICEID = :ID
END-EXEC.
...


問題は、開発者が ID に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.cobol.access_control_database
Abstract
適切なアクセス制御がない場合、ユーザー制御のデータベース名を含む deleteDatabase メソッドを実行すると、攻撃者がデータベースを削除できる可能性があります。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入力された場合。


2. データベース名の値を指定するのにデータが使用される場合。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 566
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[29] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[30] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.dart.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードにアクセスできるようになります。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1.信頼できないソースからデータがプログラムに入力された場合。


2.SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
id := request.FormValue("invoiceID")
query := "SELECT * FROM invoices WHERE id = ?";
rows, err := db.Query(query, id)
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 566
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[29] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[30] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.golang.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
id = Integer.decode(request.getParameter("invoiceID"));
String query = "SELECT * FROM invoices WHERE id = ?";
PreparedStatement stmt = conn.prepareStatement(query);
stmt.setInt(1, id);
ResultSet results = stmt.execute();
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。

一部には、モバイルの世界ではデータベースの Access Control エラーのような古典的な Web アプリケーションの脆弱性は意味がなく、自分に降りかかる攻撃をするはずがない、という見方があります。しかし忘れてはならないモバイルプラットフォームの基本は、さまざまなソースからアプリケーションをダウンロードして同じデバイス上で一緒に実行することです。このため、たとえばバンキングアプリケーションのすぐ隣でマルウェアの一部を実行する可能性が高くなり、モバイルアプリケーションの攻撃面を拡張し、プロセス間通信なども含める必要があります。

例 2: 次のコードでは、Android プラットフォームにExample 1 を応用しています。


...
String id = this.getIntent().getExtras().getString("invoiceID");
String query = "SELECT * FROM invoices WHERE id = ?";
SQLiteDatabase db = this.openOrCreateDatabase("DB", MODE_PRIVATE, null);
Cursor c = db.rawQuery(query, new Object[]{id});
...


最新の Web フレームワークの多くが、ユーザー入力を検証するためのメカニズム (Struts および Struts 2 を含む) を提供しています。検証されていない入力ソースの問題を正確に反映させるために、Fortify セキュア コーディング ルールパックは、フレームワーク検証メカニズムが使用されている場合には、その証拠を示し、悪用の可能性を低く見積もり、Fortify Static Code Analyzer により報告される問題の優先度を動的に変更します。この機能は、状況依存ランキングと呼ばれます。Fortify ユーザーがさらに監査プロセスを効果的に進めることができるように、Fortify Software Security Research グループでは、入力ソースに適用される検証メカニズムを基準としたフォルダに問題をグループ化する Data Validation (データ検証) プロジェクト テンプレートのフォルダを用意しています。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.java.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
var id = document.form.invoiceID.value;
var query = "SELECT * FROM invoices WHERE id = ?";
db.transaction(function (tx) {
tx.executeSql(query,[id]);
}
)
...



問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.javascript.access_control_database
Abstract
適切な Access Control がない場合、この特定のメソッドは攻撃者の制御下にある主キーを含む SQL ステートメントを実行できるため、攻撃者は権限のないレコードをアクセスすることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...

NSManagedObjectContext *context = [appDelegate managedObjectContext];
NSEntityDescription *entityDesc = [NSEntityDescription entityForName:@"Invoices" inManagedObjectContext:context];
NSFetchRequest *request = [[NSFetchRequest alloc] init];
[request setEntity:entityDesc];
NSPredicate *pred = [NSPredicate predicateWithFormat:@"(id = %@)", invoiceId.text];
[request setPredicate:pred];

NSManagedObject *matches = nil;
NSError *error;
NSArray *objects = [context executeFetchRequest:request error:&error];

if ([objects count] == 0) {
status.text = @"No records found.";
} else {
matches = [objects objectAtIndex:0];
invoiceReferenceNumber.text = [matches valueForKey:@"invRefNum"];
orderNumber.text = [matches valueForKey:@"orderNumber"];
status.text = [NSString stringWithFormat:@"%d records found", [objects count]];
}
[request release];
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.objc.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
$id = $_POST['id'];
$query = "SELECT * FROM invoices WHERE id = ?";
$stmt = $mysqli->prepare($query);
$stmt->bind_param('ss',$id);
$stmt->execute();
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。

最新の Web フレームワークの多くが、ユーザー入力を検証するためのメカニズム (Struts および Struts 2 を含む) を提供しています。検証されていない入力ソースの問題を正確に反映させるために、Fortify セキュア コーディング ルールパックは、フレームワーク検証メカニズムが使用されている場合には、その証拠を示し、悪用の可能性を低く見積もり、Fortify Static Code Analyzer により報告される問題の優先度を動的に変更します。この機能は、状況依存ランキングと呼ばれます。Fortify ユーザーがさらに監査プロセスを効果的に進めることができるように、Fortify Software Security Research グループでは、入力ソースに適用される検証メカニズムを基準としたフォルダに問題をグループ化する Data Validation (データ検証) プロジェクト テンプレートのフォルダを用意しています。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.php.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。

2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


procedure get_item (
itm_cv IN OUT ItmCurTyp,
id in varchar2)
is
open itm_cv for ' SELECT * FROM items WHERE ' ||
'invoiceID = :invid' ||
using id;
end get_item;


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.sql.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
id = request.POST['id']
c = db.cursor()
stmt = c.execute("SELECT * FROM invoices WHERE id = %s", (id,))
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.python.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
id = req['invoiceID'].respond_to(:to_int)
query = "SELECT * FROM invoices WHERE id=?"
stmt = conn.prepare(query)
stmt.execute(id)
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.ruby.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。 識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


def searchInvoice(value:String) = Action.async { implicit request =>
val result: Future[Seq[Invoice]] = db.run {
sql"select * from invoices where id=$value".as[Invoice]
}
...
}


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.scala.access_control_database
Abstract
適切な Access Control がない場合、この特定のメソッドは攻撃者の制御下にある主キーを含む SQL ステートメントを実行できるため、攻撃者は権限のないレコードをアクセスすることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
let fetchRequest = NSFetchRequest()
let entity = NSEntityDescription.entityForName("Invoices", inManagedObjectContext: managedContext)
fetchRequest.entity = entity
let pred : NSPredicate = NSPredicate(format:"(id = %@)", invoiceId.text)
fetchRequest.setPredicate = pred
do {
let results = try managedContext.executeFetchRequest(fetchRequest)
let result : NSManagedObject = results.first!
invoiceReferenceNumber.text = result.valueForKey("invRefNum")
orderNumber.text = result.valueForKey("orderNumber")
status.text = "\(results.count) records found"
} catch let error as NSError {
print("Error \(error)")
}
...


問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.swift.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む SQL ステートメントを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. SQL クエリで主キーの値を特定するためにデータが使用されている場合。
例 1: 次のコードは、メタ文字をエスケープして SQL Injection の脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する SQL クエリを作成し、実行します [1]。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
id = Request.Form("invoiceID")
strSQL = "SELECT * FROM invoices WHERE id = ?"
objADOCommand.CommandText = strSQL
objADOCommand.CommandType = adCmdText
set objADOParameter = objADOCommand.CreateParameter("id" , adString, adParamInput, 0, 0)
objADOCommand.Parameters("id") = id
...



問題は、開発者が id に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] S. J. Friedl SQL Injection Attacks by Example
[2] Standards Mapping - Common Weakness Enumeration CWE ID 566
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), AC-23 Data Mining Protection (P0), SC-3 Security Function Isolation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-23 Data Mining Protection, SC-3 Security Function Isolation
[9] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[10] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[11] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[12] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[15] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000450 CAT II, APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.vb.access_control_database
Abstract
適切な Access Control がない場合、ユーザーの制御下にある主キーを含む EXEC DLI コマンドを実行すると、攻撃者は権限のないレコードを見ることができます。
Explanation
DLI の Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。


2. EXEC DLI コマンドで主キーの値を特定するためにデータが使用されている場合。
例 1:次のコードは、メタ文字をエスケープしてインジェクションの脆弱性を阻止するパラメーター化されたステートメントを使用して、指定された識別子と一致する領収書を検索する EXEC DLI コマンドを作成し、実行します。識別子は、現在の認証されたユーザーに関連付けられているすべての領収書のリストから選択されています。


...
ACCEPT ID.
EXEC DLI
GU
SEGMENT(INVOICES)
WHERE (INVOICEID = ID)
END-EXEC.
...


問題は、開発者が ID に可能なすべての値を検討しきれていないことです。現在のユーザーに属する領収書 ID のリストがインターフェイスにより生成されますが、攻撃者はこのインターフェイスを回避して目的の領収書をリクエストする可能性があります。この例のコードの場合、リクエストされた領収書へのアクセス権限をユーザーが確保しているか確認しないため、現在のユーザーに帰属していなくても、リクエストされたとおりの領収書を表示します。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 639
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, SC-3 Security Function Isolation
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[13] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[14] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.cobol.access_control_dli
Abstract
アプリケーションは、ネイティブ API への未検証の入力を許可するプロパティを設定し、攻撃者が認証をバイパスできるようにする可能性があります。
Explanation
デフォルトでは、ASP.NET フォーム認証は、認証プロセス中に、ユーザー資格情報を、ネイティブ API に渡す前に検証します。問題は、aspnet:UseLegacyFormsAuthenticationTicketCompatibility 設定を使用してこの機能を変更できる点です。これにより、未検証の入力がネイティブ API に渡され、攻撃者が認証をバイパスできるようになる可能性があります。攻撃者がこの脆弱性の悪用に成功すると、パスワードなしで、既知のユーザー名の ASP.NET フォーム認証をバイパスする可能性があります。続いて攻撃者が、被害者ユーザーのコンテキストで任意のアクション (サイトで任意のコマンドを実行するなど) を実行する可能性があります。

例 1: 次の例では、aspnet:UseLegacyFormsAuthenticationTicketCompatibilitytrue に設定されています。

...
<appSettings>
<add key="aspnet:UseLegacyFormsAuthenticationTicketCompatibility" value="true" />
</appSettings>
...
References
[1] ASP.NET appSettings Element Microsoft
[2] Microsoft Security Bulletin MS11-100 - Critical Microsoft
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[8] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Top 10 2004 A3 Broken Authentication and Session Management
[11] Standards Mapping - OWASP Top 10 2007 A7 Broken Authentication and Session Management
[12] Standards Mapping - OWASP Top 10 2010 A3 Broken Authentication and Session Management
[13] Standards Mapping - OWASP Top 10 2013 A2 Broken Authentication and Session Management
[14] Standards Mapping - OWASP Top 10 2017 A2 Broken Authentication
[15] Standards Mapping - OWASP Top 10 2021 A07 Identification and Authentication Failures
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.7
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[27] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[28] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3610 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3610 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3610 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3610 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[47] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authentication (WASC-01)
[48] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication
desc.configuration.dotnet.access_control_form_authentication_bypass
Abstract
検証が失敗したにもかかわらず、Google Remote Procedure Call (gRPC) Metadata オブジェクトが受け入れられています。
Explanation
Metadata クラスは、Google Remote Procedure Call (gRPC) で使用される基本プロトコルのヘッダー データを格納するためによく使用されます。io.grpc.ServerInterceptor クラスを実装する場合は、Metadata オブジェクトを検証し、例外が発生した場合はエラーが返されるようにする必要があります。

例 1: 次のコードは、gRPC Metadata オブジェクトへの入力として使用されるユーザー制御可能なデータを示しており、これは、例外をキャッチした後で、次の io.grpc.ServerCallHandler オブジェクトに渡されます。


class PotentialAuthByPassInterceptor implements ServerInterceptor {
@Override
public <ReqT, RespT> ServerCall.Listener<ReqT> interceptCall(ServerCall<ReqT, RespT> call, Metadata metadata, ServerCallHandler<ReqT, RespT> next) {
try {
customValidate(metadata);
} catch (RuntimeException e) {
return next.startCall(call, metadata);
}
...
return Contexts.interceptCall(Context.current(), call, metadata, next);
}
}
References
[1] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[2] Standards Mapping - FIPS200 AC
[3] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[4] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[5] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, SC-3 Security Function Isolation, SC-11 Trusted Path
[6] Standards Mapping - OWASP API 2023 API2 Broken Authentication
[7] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[8] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[9] Standards Mapping - OWASP Top 10 2004 A3 Broken Authentication and Session Management
[10] Standards Mapping - OWASP Top 10 2007 A7 Broken Authentication and Session Management
[11] Standards Mapping - OWASP Top 10 2010 A3 Broken Authentication and Session Management
[12] Standards Mapping - OWASP Top 10 2013 A2 Broken Authentication and Session Management
[13] Standards Mapping - OWASP Top 10 2017 A2 Broken Authentication
[14] Standards Mapping - OWASP Top 10 2021 A07 Identification and Authentication Failures
[15] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.7
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[23] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.3 - Authentication and Access Control, Control Objective C.2.1.2 - Web Software Access Controls
[26] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[27] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3610 CAT I
[28] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3610 CAT I
[29] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3610 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3610 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authentication (WASC-01)
[47] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authentication
desc.structural.java.access_control_grpc_fail_open
Abstract
適切な Access Control がない場合、ユーザーの制御下にある値を含む LDAP ステートメントを実行すると、攻撃者は権限のないディレクトリエントリにアクセスできます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。

2. データが LDAP クエリのデータ値を指定するために使用される場合。
例 1: 現在認証されているユーザーの従業員 ID は、クライアントサイドインターフェイスからの各リクエストで自動的に送信されます。次のコードは、LDAP クエリの構築に使用する前に、許可リストを使用して従業員の名前を検証します。この検証により、LDAP Injection の脆弱性を防ぐことができますが、コードは脆弱なままとなります。


static string AllowlistVerify(string name) {
Regex pattern = new Regex(@"^[a-zA-Z\-\.']+$");
if (pattern.IsMatch(name)) {
return name;
}
return null;
}

...
string verifiedName = AllowlistVerify(managerName.Text.trim());
if(verifiedName != null) {
DirectorySearcher src = new DirectorySearcher("(manager=" + verifiedName + ")");
src.SearchRoot = de;
src.SearchScope = SearchScope.Subtree;

foreach(SearchResult res in src.FindAll()) {
...
}
}


この問題は、開発者が empName に攻撃者が別の値を指定したときにどのような動作が起こりうるかを検討していない点にあります。このインターフェイスは、現在のユーザーの従業員 ID を自動的に送信しますが、攻撃者は悪意あるリクエストの一部として別の値を送信できる場合があります。この例のコードは、匿名バインドでクエリを実行しているため、現在認証されているユーザーの ID に関わらず、すべての有効な従業員 ID のディレクトリエントリを返します。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 639
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[29] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[30] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.dotnet.access_control_ldap
Abstract
適切な Access Control がない場合、ユーザーの制御下にある値を含む LDAP ステートメントを実行すると、攻撃者は権限のないディレクトリエントリにアクセスできます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。

2. データが LDAP クエリのデータ値を指定するために使用される場合。
例 1: 次のコードは、LDAP クエリの構築に使用する前に、許可リストを使用してソケットから読み取った従業員の名前を検証します。この検証により、LDAP Injection の脆弱性を防ぐことができますが、コードは脆弱なままとなります。


char* allowlist_verify(char* name) {
const char *error;
int errOffset;
char* regex = "^[a-zA-Z\\-\\.']+$";
pcre* re = pcre_compile(regex, 0, &err, &errOffset, NULL);
int rc = pcre_exec(re, NULL, name, strlen(name), 0, 0, NULL, 0);
if (rc == 1)
return name;
return NULL;
}
...
fgets(managerName, sizeof(managerName), socket);
char* verified_name = allowlist_verify(managerName);
if(verified_name != NULL) {
snprintf(filter, sizeof(filter), "(manager=%s)", verified_name);
if ( ( rc = ldap_search_ext_s( ld, FIND_DN, LDAP_SCOPE_BASE,
filter, NULL, 0, NULL, NULL, LDAP_NO_LIMIT,
LDAP_NO_LIMIT, &result ) ) == LDAP_SUCCESS ) {
...
}
}


この問題は、開発者が username に攻撃者が別の値を指定したときにどのような動作が起こりうるかを検討していない点にあります。この例のコードは、匿名バインドでクエリを実行しているため、現在認証されているユーザーの ID に関わらず、すべての有効な従業員 ID のディレクトリエントリを返します。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 639
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[29] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[30] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.cpp.access_control_ldap
Abstract
適切な Access Control がない場合、ユーザーの制御下にある値を含む LDAP ステートメントを実行すると、攻撃者は権限のないディレクトリエントリにアクセスできます。
Explanation
データベースの Access Control エラーが発生するのは次の場合です。

1. 信頼できないソースからデータがプログラムに入り込んだ場合。

2. データが LDAP クエリのデータ値を指定するために使用される場合。
例 1: 現在認証されているユーザーの従業員 ID は、クライアントサイドインターフェイスからの各リクエストで自動的に送信されます。次のコードは、LDAP クエリの構築に使用する前に、整数として従業員 ID を適切に検証します。この検証により、LDAP Injection の脆弱性を防ぐことができますが、コードは脆弱なままとなります。


...
env.put(Context.SECURITY_AUTHENTICATION, "none");
DirContext ctx = new InitialDirContext(env);

String empID = request.getParameter("empID");

try
{
int id = Integer.parseInt(empID);

BasicAttribute attr = new BasicAttribute("empID", empID);

NamingEnumeration employee =
ctx.search("ou=People,dc=example,dc=com",attr);
...



この問題は、開発者が empID に攻撃者が別の値を指定したときにどのような動作が起こりうるかを検討していない点にあります。このインターフェイスは、現在のユーザーの従業員 ID を自動的に送信しますが、攻撃者は悪意あるリクエストの一部として別の値を送信できる場合があります。この例のコードは、匿名バインドでクエリを実行しているため、現在認証されているユーザーの ID に関わらず、すべての有効な従業員 ID のディレクトリエントリを返します。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 639
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-2 Identification and Authentication (Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[12] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[13] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[14] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[16] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[17] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[29] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[30] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[52] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[53] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.java.access_control_ldap
Abstract
適切な認証チェックがない場合、認証されていないユーザーが、プログラムで制限されているトランザクションを開始してしまう可能性があります。
Explanation
ユーザーが手動で新しいトランザクションを開始する場合、SAP システムでユーザーがトランザクションの実行を許可されているかどうかが自動的にチェックされます。ただし、ユーザーがプログラミングにより CALL TRANSACTION ステートメントを呼び出すことによって新しいトランザクションを開始する場合、デフォルトではこれらのチェックが実行されません。このステートメントの前に認証チェックが明示的に実行されない場合、ABAP プログラムを実行するユーザーは、本来は実行を許可されていないトランザクションを実行する可能性があります。

例 1: 次のコードは、ABAP プログラムを実行できるトランザクションを呼び出します。


...
CALL TRANSACTION 'SA38'.
...


この場合、このコードを実行しているユーザーは、本来はこの操作は許可されていないにも関わらず、ABAP エディタを開始できるため、システムを完全に制御できる可能性があります。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 285
[2] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[3] Standards Mapping - FIPS200 AC
[4] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[5] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), CM-5 Access Restrictions for Change (P1), IA-5 Authenticator Management (P1), SC-3 Security Function Isolation (P1)
[6] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, CM-5 Access Restrictions for Change, IA-5 Authenticator Management, SC-3 Security Function Isolation
[7] Standards Mapping - OWASP API 2023 API1 Broken Object Level Authorization
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A10 Failure to Restrict URL Access
[13] Standards Mapping - OWASP Top 10 2010 A8 Failure to Restrict URL Access
[14] Standards Mapping - OWASP Top 10 2013 A7 Missing Function Level Access Control
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[29] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[30] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 862
[31] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001795 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001795 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[54] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.abap.access_control_missing_authorization_check
Abstract
MQ オブジェクトディスクリプタのフィールドを制御するユーザー入力を許可すると、攻撃者が保護されているはずの MQ リソースにアクセスしたり変更したりする可能性があります。
Explanation
MQ オブジェクトを開くときに実施する権限チェックのタイプを決定するのにアプリケーションが後で使用する値を攻撃者が指定できる場合、攻撃者はすべての Access Control チェックに合格して、本来はアクセスできないオブジェクトを開いてしまう可能性があります。

例 1: 次の COBOL コード部分は、ターミナルから値を読み取って、MQ オブジェクト ディスクリプタの MQOD-ALTERNATEUSERID および MQOD-ALTERNATESECURITYID フィールドの制御にその値を使用しています。


...
10 MQOD.
** Alternate user identifier
15 MQOD-ALTERNATEUSERID PIC X(12).
** Alternate security identifier
15 MQOD-ALTERNATESECURITYID PIC X(40).
...
...
ACCEPT MQOD-ALTERNATEUSERID.
ACCEPT MQOD-ALTERNATESECURITYID.
CALL 'MQOPEN' USING HCONN, MQOD, OPTS, HOBJ, COMPOCODE REASON.
...


この例では、開かれている MQ オブジェクトに対する Access Control チェックに合格することが可能となる値が、攻撃者によって指定される可能性があります。

一般的に、ユーザー入力などの信頼できないデータを使用して機密データを管理できないようにします。
References
[1] Standards Mapping - Common Weakness Enumeration CWE ID 639
[2] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[3] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[4] Standards Mapping - FIPS200 AC
[5] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[6] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), CM-5 Access Restrictions for Change (P1), SC-3 Security Function Isolation (P1)
[7] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, CM-5 Access Restrictions for Change, SC-3 Security Function Isolation
[8] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3)
[9] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[10] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[11] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[12] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[13] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[14] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[15] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[16] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[17] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[18] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[28] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[30] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[31] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[32] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[33] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[51] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.dataflow.cobol.access_control_mq
Abstract
プログラムで、権限のないユーザーに対して、より多くの権限が付与されたユーザーのために予約されたコマンドの実行が許可される可能性があります。
Explanation
通常、SAP アプリケーションでの認証チェックは、アプリケーションを実行するユーザー (ログオンしているユーザー) に対して行われます。しかし、次の方法で、別のユーザー (ログオンしているユーザー以外) に対する認証をプログラミングによりチェックすることができます。
1. FOR USER と一緒にステートメント AUTHORITY-CHECK を使用する
2. ユーザーを指定して関数モジュール AUTHORITY_CHECK を呼び出す
3. ユーザーを指定して関数モジュール SU_RAUTH_CHECK_FOR_USER を呼び出す

このようなチェックが必要な場合がありますが、権限昇格のセキュリティ リスクが発生する可能性があります。認証チェックの実行対象となる「ユーザー ID」の入力を制御する悪意のあるユーザーが、既知のスーパーユーザー (たとえば、SAP* や DDIC など) を指定することによって、本来はユーザーに対して禁止されているアクセスの許可を行うようにシステムに仕向けることが可能になります。

認証チェックに使用される「ユーザー ID」をユーザーが直接制御できない場合でも、別のユーザーに対する認証をプローブすることは好ましくない方法とみなし、避けるべきです。認証チェックを実行する場合、ログオンしているユーザー (sy-uname) を明示的に指定する必要がありません。これはデフォルトの動作です。明示的に指定しても、実際にチェックが実行される前に sy-uname が搾取される可能性が生じるだけです。そのため、一般的に別のユーザーの認証チェックをスキップしてから、特にログオンしているユーザーを明示的に指定することをお勧めします。

例 1: 次のコードは、ABAP プログラムを実行できるトランザクションを呼び出す前に、ユーザー認証をチェックします。


...
AUTHORITY-CHECK OBJECT 'S_TCODE' FOR USER v_user
ID 'TCD' FIELD 'SA38'.
IF sy-subrc = 0.
CALL TRANSACTION 'SA38'.
ELSE.
...


この場合、許可されていないユーザーが、既知のスーパーユーザー (SAP* や DDIC など) を変数 v_user に指定することによって、ABAP プログラムを開始できます。
References
[1] SAP OSS Notes 20534, 179145, 136647 and related ones.
[2] Standards Mapping - Common Weakness Enumeration CWE ID 863
[3] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[4] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165, CCI-002754
[5] Standards Mapping - FIPS200 AC
[6] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[7] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), CM-5 Access Restrictions for Change (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1), SI-10 Information Input Validation (P1)
[8] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, CM-5 Access Restrictions for Change, IA-2 Identification and Authentication (Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path, SI-10 Information Input Validation
[9] Standards Mapping - OWASP API 2023 API3 Broken Object Property Level Authorization
[10] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.1.4 Generic Web Service Security Verification Requirements (L2 L3)
[11] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[12] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[13] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[14] Standards Mapping - OWASP Top 10 2007 A10 Failure to Restrict URL Access
[15] Standards Mapping - OWASP Top 10 2010 A8 Failure to Restrict URL Access
[16] Standards Mapping - OWASP Top 10 2013 A7 Missing Function Level Access Control
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[27] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[30] Standards Mapping - SANS Top 25 2009 Porous Defenses - CWE ID 285
[31] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 285
[32] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 862
[33] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II, APP3480.2 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I, APP3480.2 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I, APP3480.2 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I, APP3480.2 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I, APP3480.2 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I, APP3480.2 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I, APP3480.2 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[41] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[42] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[43] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[44] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[45] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[46] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[47] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[48] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[49] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[50] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[51] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[52] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[53] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[54] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II, APSC-DV-002560 CAT I
[55] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[56] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.abap.access_control_privilege_escalation
Abstract
信頼のないコードでこのメソッドを呼び出すと攻撃者による制限付きパッケージへのアクセスが可能になり、攻撃者が任意のコードを実行できるようになります。
Explanation
直接呼び出し元のクラスローダーチェックを使用してタスクを実行するJava APIは、注意して使用する必要があります。これらのAPIは、実行チェーン内のすべての呼び出し元が必要なセキュリティ権限を持っていることを確認するSecurityManagerチェックをバイパスします。直接呼び出し元のクラスローダーだけにアクセスチェックを実行すると権限昇格の問題が発生し、実行チェーン内の一部の呼び出し元が必要な権限なしでリソースにアクセスできる可能性があります。したがって、これらの API は信頼のないコードで呼び出すべきではありません。システムのセキュリティを損なう恐れがあります。



信頼のないソースから、または信頼のない環境内のJava AppletはこれらのAPIにアクセスし、悪意のあるコードを実行してシステムのセキュリティを損ないます。
References
[1] Secure Coding Guidelines for the Java Programming Language, Version 4.0
[2] CVE 2012-1682
[3] CVE 2012-4681
[4] SEC05-J. Do not use reflection to increase accessibility of classes, methods, or fields CERT
[5] ACCESS-8: Safely invoke standard APIs that bypass SecurityManager checks depending on the immediate caller's class loader Oracle
[6] ACCESS-9: Safely invoke standard APIs that perform tasks using the immediate caller's class loader instance Oracle
[7] ACCESS-10: Be aware of standard APIs that perform Java language access checks against the immediate caller Oracle
[8] ACCESS-11: Be aware java.lang.reflect.Method.invoke is ignored for checking the immediate caller Oracle
[9] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-001764, CCI-001774, CCI-002165
[10] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[11] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), CM-5 Access Restrictions for Change (P1), CM-7 Least Functionality (P1), IA-2 Identification and Authentication (Organizational Users) (P1), IA-11 Re-Authentication (P0), SC-3 Security Function Isolation (P1)
[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, CM-5 Access Restrictions for Change, CM-7 Least Functionality, IA-2 Identification and Authentication (Organizational Users), SC-3 Security Function Isolation, SC-11 Trusted Path
[13] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[14] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[15] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[16] Standards Mapping - OWASP Top 10 2013 A7 Missing Function Level Access Control
[17] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[18] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[19] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[24] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[25] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[26] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[27] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[28] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[29] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[30] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[31] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[32] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[34] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[35] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[36] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[37] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[38] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[39] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001410 CAT II, APSC-DV-001480 CAT II, APSC-DV-001490 CAT II, APSC-DV-001520 CAT II, APSC-DV-001530 CAT II, APSC-DV-001540 CAT I, APSC-DV-002360 CAT II
[42] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[43] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.java.access_control_securitymanager_bypass_applet
Abstract
Apex クラスには、ユーザー共有ルールを強制せずに実行できるデータベース操作が含まれています。
Explanation
Salesforce アプリケーションは、共有ルールを使用して、ユーザー権限とデータベース レコードへのアクセスを制御します。ただし、Apex クラスは、ルールの適用方法を変えるさまざまな共有キーワードを使用して宣言できるため、ユーザー共有ルールが Apex で常に適用されるわけではありません。クラスは、次の 3 つの異なる共有キーワードのいずれかで宣言できます。

- with sharing: ユーザー共有ルールが適用されます。
- without sharing: 共有ルールは適用されません。
- inherited sharing: 呼び出し元のクラスの共有ルールが適用されます。呼び出し元のクラスで共有キーワードが指定されていない場合、またはクラス自体が Visualforce コントローラーなどのエントリポイントである場合、デフォルトでユーザー共有ルールが適用されます。

共有キーワードが宣言されていない場合、クラスは呼び出し元のクラスの共有モードを継承します (ある場合)。そうしないと、共有ルールが適用されません。

例 1: 次の 3 つのすべての Apex クラスには、データベース クエリ呼び出しについて安全でない共有キーワードがあります。

public class MyClass1 {
public List<Contact> getAllTheSecrets() {
return Database.query('SELECT Name FROM Contact');
}
}

public without sharing class MyClass2 {
public List<Contact> getAllTheSecrets() {
return Database.query('SELECT Name FROM Contact');
}
}

public inherited sharing class MyClass3 {
public List<Contact> getAllTheSecrets() {
return Database.query('SELECT Name FROM Contact');
}
}
MyClass1MyClass2 はどちらも安全ではありません。ユーザー共有ルールを強制しなくてもレコードを取得できるためです。

MyClass3 の方が、デフォルトで共有ルールが適用されるため、より安全です。ただし、関数 getAllTheSecrets() が、without sharing を明示的に宣言するクラスで呼び出されると、不正アクセスが許可される可能性はあります。
References
[1] Using the with sharing, without sharing, and inherited sharing Keywords Salesforce
[2] Sharing Rules Considerations Salesforce
[3] Standards Mapping - Common Weakness Enumeration CWE ID 566
[4] Standards Mapping - Common Weakness Enumeration Top 25 2023 [24] CWE ID 863
[5] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165
[6] Standards Mapping - FIPS200 AC
[7] Standards Mapping - General Data Protection Regulation (GDPR) Access Violation
[8] Standards Mapping - NIST Special Publication 800-53 Revision 4 AC-3 Access Enforcement (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.2 General Access Control Design (L1 L2 L3), 4.1.3 General Access Control Design (L1 L2 L3), 4.1.5 General Access Control Design (L1 L2 L3), 4.2.1 Operation Level Access Control (L1 L2 L3), 13.4.2 GraphQL and other Web Service Data Layer Security Requirements (L2 L3)
[11] Standards Mapping - OWASP Mobile 2014 M5 Poor Authorization and Authentication
[12] Standards Mapping - OWASP Mobile 2024 M3 Insecure Authentication/Authorization
[13] Standards Mapping - OWASP Mobile Application Security Verification Standard 2.0 MASVS-AUTH-1
[14] Standards Mapping - OWASP Top 10 2004 A2 Broken Access Control
[15] Standards Mapping - OWASP Top 10 2007 A4 Insecure Direct Object Reference
[16] Standards Mapping - OWASP Top 10 2010 A4 Insecure Direct Object References
[17] Standards Mapping - OWASP Top 10 2013 A4 Insecure Direct Object References
[18] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control
[19] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control
[20] Standards Mapping - Payment Card Industry Data Security Standard Version 1.1 Requirement 6.5.2
[21] Standards Mapping - Payment Card Industry Data Security Standard Version 1.2 Requirement 6.5.4
[22] Standards Mapping - Payment Card Industry Data Security Standard Version 2.0 Requirement 6.5.8
[23] Standards Mapping - Payment Card Industry Data Security Standard Version 3.0 Requirement 6.5.8
[24] Standards Mapping - Payment Card Industry Data Security Standard Version 3.1 Requirement 6.5.8
[25] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2 Requirement 6.5.8
[26] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8
[27] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4
[28] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control
[29] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control
[30] Standards Mapping - Payment Card Industry Software Security Framework 1.2 Control Objective 5.4 - Authentication and Access Control, Control Objective C.2.3 - Web Software Access Controls
[31] Standards Mapping - SANS Top 25 2011 Porous Defenses - CWE ID 863
[32] Standards Mapping - Security Technical Implementation Guide Version 3.1 APP3480.1 CAT II
[33] Standards Mapping - Security Technical Implementation Guide Version 3.4 APP3480.1 CAT I
[34] Standards Mapping - Security Technical Implementation Guide Version 3.5 APP3480.1 CAT I
[35] Standards Mapping - Security Technical Implementation Guide Version 3.6 APP3480.1 CAT I
[36] Standards Mapping - Security Technical Implementation Guide Version 3.7 APP3480.1 CAT I
[37] Standards Mapping - Security Technical Implementation Guide Version 3.9 APP3480.1 CAT I
[38] Standards Mapping - Security Technical Implementation Guide Version 3.10 APP3480.1 CAT I
[39] Standards Mapping - Security Technical Implementation Guide Version 4.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[40] Standards Mapping - Security Technical Implementation Guide Version 4.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[41] Standards Mapping - Security Technical Implementation Guide Version 4.4 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[42] Standards Mapping - Security Technical Implementation Guide Version 4.5 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[43] Standards Mapping - Security Technical Implementation Guide Version 4.6 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[44] Standards Mapping - Security Technical Implementation Guide Version 4.7 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[45] Standards Mapping - Security Technical Implementation Guide Version 4.8 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[46] Standards Mapping - Security Technical Implementation Guide Version 4.9 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[47] Standards Mapping - Security Technical Implementation Guide Version 4.10 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[48] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[49] Standards Mapping - Security Technical Implementation Guide Version 4.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[50] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[51] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[52] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[53] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II
[54] Standards Mapping - Web Application Security Consortium Version 2.00 Insufficient Authorization (WASC-02)
[55] Standards Mapping - Web Application Security Consortium 24 + 2 Insufficient Authorization
desc.structural.apex.access_control_unenforced_sharing_rules