GCP Terraform Misconfiguration: Cloud Storage Bucket Publicly Accessible

Abstract

Terraform 配置授予对 Cloud Storage 存储桶的公共访问权限。

Explanation

向 allUsers 或 allAuthenticatedUsers 授予 Cloud Storage 角色使得任何人都能访问敏感数据。

References

[1] HashiCorp IAM policy for Cloud Storage Bucket

[2] Google Cloud Public access prevention

[3] Standards Mapping - CIS Google Cloud Computing Platform Benchmark Recommendation 5.1

[4] Standards Mapping - Common Weakness Enumeration CWE ID 284, CWE ID 359

[5] Standards Mapping - Common Weakness Enumeration Top 25 2020 [7] CWE ID 200

[6] Standards Mapping - Common Weakness Enumeration Top 25 2021 [20] CWE ID 200

[7] Standards Mapping - Common Weakness Enumeration Top 25 2024 [17] CWE ID 200

[8] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000381, CCI-002233, CCI-002235, CCI-002420

[9] Standards Mapping - FIPS200 AC

[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), AC-6 Least Privilege (P1), IA-8 Identification and Authentication (Non-Organizational Users) (P1), SC-8 Transmission Confidentiality and Integrity (P1)

[12] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, AC-6 Least Privilege, IA-8 Identification and Authentication (Non-Organizational Users), SC-8 Transmission Confidentiality and Integrity

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

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

[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 3.2.1 Requirement 6.5.8, Requirement 7.2

[18] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 7.3.2

[19] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 7.3.2

[20] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.3 - Authentication and Access Control

[21] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.3 - Authentication and Access Control

[22] 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

[23] 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-002480 CAT II

[24] 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-002480 CAT II

[25] 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-002480 CAT II

[26] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002480 CAT II

[27] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-001870 CAT II, APSC-DV-002480 CAT II

desc.structural.hcl.gcp_terraform_misconfiguration_cloud_storage_bucket_publicly_accessible