terraform.gcp.security.gcp-gke-private-cluster-config.gcp-gke-private-cluster-config
semgrep
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Ensure Kubernetes Cluster is created with Private cluster enabled
Run Locally
Run in CI
Defintion
rules:
- id: gcp-gke-private-cluster-config
patterns:
- pattern: resource
- pattern-inside: |
resource "google_container_cluster" "..." {
...
}
- pattern-not-inside: |
resource "google_container_cluster" "..." {
...
private_cluster_config {
...
}
...
}
message: Ensure Kubernetes Cluster is created with Private cluster enabled
metadata:
owasp:
- A05:2017 - Broken Access Control
- A01:2021 - Broken Access Control
cwe:
- "CWE-284: Improper Access Control"
category: security
technology:
- terraform
- gcp
references:
- https://owasp.org/Top10/A01_2021-Broken_Access_Control
subcategory:
- audit
likelihood: LOW
impact: LOW
confidence: LOW
license: Commons Clause License Condition v1.0[LGPL-2.1-only]
vulnerability_class:
- Improper Authorization
languages:
- hcl
severity: WARNING
Examples
gcp-gke-private-cluster-config.tf
# fail
# ruleid: gcp-gke-private-cluster-config
resource "google_container_cluster" "fail" {
name = "marcellus-wallace"
location = "us-central1-a"
initial_node_count = 3
}
# ok: gcp-gke-private-cluster-config
resource "google_container_cluster" "success" {
name = "marcellus-wallace"
location = "us-central1-a"
initial_node_count = 3
private_cluster_config {
enable_private_endpoint = false
enable_private_nodes = false
master_ipv4_cidr_block = "10.0.0.0/28"
}
}
Short Link: https://sg.run/4XX5