Kingdom: Environment

This section includes everything that is outside of the source code but is still critical to the security of the product that is being created. Because the issues covered by this kingdom are not directly related to source code, we separated it from the rest of the kingdoms.

GCP Terraform Misconfiguration: Cloud Storage Bucket Publicly Accessible

Abstract

A Terraform configuration grants public access to a Cloud Storage Bucket.

Explanation

Granting allUsers or allAuthenticatedUsers a Cloud Storage role gives anyone access to sensitive data.

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

[28] Standards Mapping - Security Technical Implementation Guide Version 6.2 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