GCP Terraform Misconfiguration: Overly Permissive VPC Firewall

Abstract

Terraform 配置定义了一个允许传入连接到安全敏感端口的 VPC 防火墙规则。

Explanation

未能阻止不需要的网络流量会扩大云服务的攻击面。向公众开放的服务会受到恶意实体近乎持续的扫描和探测。

References

[1] HashiCorp google_compute_firewall

[2] Google Cloud VPC firewall rules overview

[3] Standards Mapping - CIS Google Cloud Computing Platform Benchmark Recommendation 3.6

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

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

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

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

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

[12] Standards Mapping - OWASP Top 10 2017 A5 Broken Access Control

[13] Standards Mapping - OWASP Top 10 2021 A01 Broken Access Control

[14] Standards Mapping - Payment Card Industry Data Security Standard Version 3.2.1 Requirement 6.5.8

[15] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0 Requirement 6.2.4, Requirement 1.4.2

[16] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4, Requirement 1.4.2

[17] Standards Mapping - Payment Card Industry Software Security Framework 1.0 Control Objective 5.4 - Authentication and Access Control

[18] Standards Mapping - Payment Card Industry Software Security Framework 1.1 Control Objective 5.4 - Authentication and Access Control

[19] 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

[20] Standards Mapping - Security Technical Implementation Guide Version 4.11 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[21] Standards Mapping - Security Technical Implementation Guide Version 5.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[22] Standards Mapping - Security Technical Implementation Guide Version 5.2 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[23] Standards Mapping - Security Technical Implementation Guide Version 5.3 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

[24] Standards Mapping - Security Technical Implementation Guide Version 6.1 APSC-DV-000460 CAT I, APSC-DV-000470 CAT II, APSC-DV-002360 CAT II

desc.structural.hcl.gcp_terraform_misconfiguration_overly_permissive_vpc_firewall