nuclei-templates/cloud/gcp/resourcemanager/gcloud-org-sql-default-encryption.yaml

id: gcloud-org-sql-default-encryption

info:
  name: Default Google-Managed Encryption for Cloud SQL Not Restricted
  author: princechaddha
  severity: medium
  description: |
    Ensure that the use of Google-managed encryption keys for Cloud SQL database instances is disabled at the GCP organization level in order to enforce the use of Customer-Managed Keys (CMKs) and have full control over SQL database encryption/decryption process. Note: This organization policy is not retroactive, therefore any existing database instances using Google-managed encryption are not impacted unless they are updated or refreshed.
  impact: |
    By default, Google-managed encryption is allowed for all Cloud SQL instances. Without enforcing CMK usage, you have less control over the encryption keys that protect your SQL databases.
  remediation: |
    Enable the "Restrict Default Google-Managed Encryption for Cloud SQL Instances" policy at the organization level using the 'gcloud alpha resource-manager org-policies enable-enforce' command with the sql.disableDefaultEncryptionCreation constraint.
  reference:
    - https://www.trendmicro.com/cloudoneconformity/knowledge-base/gcp/ResourceManager/restrict-default-encryption-for-sql-instances.html
    - https://cloud.google.com/sql/docs/mysql/customer-managed-encryption-keys
  tags: cloud,devops,gcp,gcloud,resourcemanager,security,sql,encryption,cmk,gcp-cloud-config

flow: |
  code(1)
  for(let orgId of iterate(template.orgIds)){
    set("orgId", orgId)
    code(2)
  }

self-contained: true

code:
  - engine:
      - sh
      - bash
    source: |
      gcloud organizations list --format="json(name)"

    extractors:
      - type: json
        name: orgIds
        internal: true
        json:
          - '.[].name'

  - engine:
      - sh
      - bash
    source: |
      gcloud alpha resource-manager org-policies describe sql.disableDefaultEncryptionCreation --organization=$orgId --effective --format="json(booleanPolicy)"

    matchers:
      - type: word
        words:
          - "{}"

    extractors:
      - type: dsl
        dsl:
          - '"Organization " + orgId + " has not disabled default Google-managed encryption for Cloud SQL instances"'
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