rules:
- id: aws-codebuild-artifacts-unencrypted
  patterns:
  - pattern-inside: |
      resource "aws_codebuild_project" "$ANYTHING" {
        ...
      }
  - pattern: |
      $ARTIFACTS {
        ...
        type = "$TYPE"
        encryption_disabled = true
        ...
      }
  - metavariable-regex:
      metavariable: $ARTIFACTS
      regex: ^(artifacts|secondary_artifacts)$
  - metavariable-regex:
      metavariable: $TYPE
      regex: ^(CODEPIPELINE|S3)$
  message: The CodeBuild project artifacts are unencrypted. All artifacts produced
    by your CodeBuild project pipeline should be encrypted to prevent them from being
    read if compromised.
  languages:
  - hcl
  severity: WARNING
  metadata:
    category: security
    technology:
    - terraform
    - aws
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A04:2021 - Insecure Design
    cwe:
    - 'CWE-311: Missing Encryption of Sensitive Data'
    references:
    - https://owasp.org/Top10/A04_2021-Insecure_Design
    - https://registry.terraform.io/providers/hashicorp/aws/latest/docs/resources/codebuild_project#encryption_disabled
    - https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-properties-codebuild-project-artifacts.html
    - https://docs.aws.amazon.com/AWSCloudFormation/latest/UserGuide/aws-resource-codebuild-project.html
    subcategory:
    - audit
    likelihood: LOW
    impact: MEDIUM
    confidence: LOW