rules:
- id: gcp-insecure-load-balancer-tls-version
  patterns:
  - pattern: |
      resource "google_compute_ssl_policy" $ANYTHING {
        ...
        min_tls_version = "..."
        ...
      }
  - pattern-not: |
      resource "google_compute_ssl_policy" $ANYTHING {
        ...
        min_tls_version = "TLS_1_2"
        ...
      }
  message: >-
    Detected GCP Load Balancer to be using an insecure version of TLS. To fix this set your "min_tls_version"
    to "TLS_1_2"
  languages:
  - terraform
  severity: WARNING
  metadata:
    cwe:
    - 'CWE-326: Inadequate Encryption Strength'
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A02:2021 - Cryptographic Failures
    technology:
    - gcp
    - terraform
    category: security
    references:
    - https://docs.bridgecrew.io/docs/google-cloud-policy-index
    subcategory:
    - audit
    likelihood: LOW
    impact: LOW
    confidence: LOW