界: Environment

本節包括原始程式碼之外的所有內容,但對於建立中產品的安全性仍至關重要。由於此領域所涵蓋的問題與原始程式碼沒有直接關係,因此我們將其與其他領域分開。

GCP Terraform Misconfiguration: GKE Cluster Administrative Interface Access Control

Abstract
Terraform 組態沒有定義任何授權網路來限制 GKE 控制層存取。
Explanation
GKE 控制層會制定有關叢集的全域決策,依預設,它的許多 API 端點都是可公開存取的。使用允許清單來新增授權網路,可以為控制層存取提供網路層級的保護。

範例 1:以下範例 Terraform 組態設定了公開叢集,但未在 master_authorized_networks_config 區塊中定義任何授權網路。因此,GKE 控制層 API 端點可以公開存取。

resource "google_container_cluster" "cluster_demo" {
name = "name-demo"
}
References
[1] HashiCorp google_container_cluster
[2] Google Cloud Add authorized networks for control plane access
[3] Standards Mapping - CIS Google Kubernetes Engine Benchmark Recommendation 5.6.3
[4] Standards Mapping - Common Weakness Enumeration CWE ID 749
[5] Standards Mapping - DISA Control Correlation Identifier Version 2 CCI-000213, CCI-000804, CCI-001082, 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), IA-8 Identification and Authentication (Non-Organizational Users) (P1), SC-2 Application Partitioning (P1), SC-3 Security Function Isolation (P1)
[9] Standards Mapping - NIST Special Publication 800-53 Revision 5 AC-3 Access Enforcement, IA-8 Identification and Authentication (Non-Organizational Users), SC-2 Separation of System and User Functionality, SC-3 Security Function Isolation
[10] Standards Mapping - OWASP API 2023 API8 Security Misconfiguration
[11] Standards Mapping - OWASP Application Security Verification Standard 4.0 4.1.1 General Access Control Design (L1 L2 L3), 14.5.1 Validate HTTP Request Header Requirements (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
[16] Standards Mapping - Payment Card Industry Data Security Standard Version 4.0.1 Requirement 6.2.4
[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-001870 CAT II, APSC-DV-002150 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-001870 CAT II, APSC-DV-002150 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-001870 CAT II, APSC-DV-002150 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-001870 CAT II, APSC-DV-002150 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-001870 CAT II, APSC-DV-002150 CAT II, APSC-DV-002360 CAT II
[25] 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-002150 CAT II, APSC-DV-002360 CAT II
desc.structural.hcl.gcp_terraform_misconfiguration_gke_cluster_administrative_interface_access_control