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AWS CloudFormation Misconfiguration: Improper API Gateway Access Control

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Abstract

範本定義可公開存取的 AWS API Gateway 方法。

Explanation

可公開存取的 AWS API Gateway 方法可能會使組織暴露於攻擊的風險。

範例 1：以下範例範本定義可公開存取的 AWS API Gateway 方法。


{
    "AWSTemplateFormatVersion": "2010-09-09",
    "Resources": {
        "MyMethod0": {
            "Type": "AWS::ApiGateway::Method",
            "Properties": {
                "RestApiId": "MyAPIID",
                "ResourceId": "MyResourceID",
                "HttpMethod": "GET",
                "AuthorizationType": "NONE"
            }
        },
        "MyMethod1": {
            "Type": "AWS::ApiGateway::Method",
            "Properties": {
                "RestApiId": "MyAPIID",
                "ResourceId": "MyResourceID",
                "HttpMethod": "POST",
                "AuthorizationType": "NONE",
                "ApiKeyRequired": false
            }
        }
    }
}

References

[1] Amazon Web Services Control access to an API with IAM permissions

[2] Amazon Web Services Security best practices in Amazon API Gateway

[3] Amazon Web Services AWS Documentation: AWS::ApiGateway::Method

[4] Standards Mapping - Common Weakness Enumeration CWE ID 749

[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [18] CWE ID 522

[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [18] CWE ID 862

[7] Standards Mapping - Common Weakness Enumeration Top 25 2022 [16] CWE ID 862

[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-001084, CCI-002165

[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), AC-6 Least Privilege (P1), SC-3 Security Function Isolation (P1)

[11] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, SC-3 Security Function Isolation

[12] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration

[13] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.3 General Access Control Design (L1 L2 L3)

[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 2009 Porous Defenses - CWE ID 285

[32] Standards Mapping - SANS Top 25 2010 Porous Defenses - CWE ID 863

[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-002360 CAT II

[55] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 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.json.aws_cloudformation_misconfiguration_improper_api_gateway_access_control.base

Abstract

範本定義可公開存取的 AWS API Gateway 方法。

Explanation

可公開存取的 AWS API Gateway 方法可能會使組織暴露於攻擊的風險。

範例 1：以下範例範本定義可公開存取的 AWS API Gateway 方法。


AWSTemplateFormatVersion: "2010-09-09"
Description: "Example"
Resources:
  TestMethod:
    Type: "AWS::ApiGateway::Method"
    Properties:
      RestApiId: !Ref restAPIRes
      ResourceId: !GetAtt
      - restAPIRes
      - RootResourceId
      HttpMethod: GET
      AuthorizationType: NONE