Check for Sufficient Data Retention Period for Cloud Storage Buckets

ID: gcloud-insufficient-data-retention-period

Severity: medium

Author: princechaddha

Tags: cloud,devops,gcp,gcloud,google-cloud-storage,retention,security,compliance,gcp-cloud-config

Description

Ensure that the objects stored within your Google Cloud Storage buckets have a sufficient data retention period configured to meet security and compliance requirements. Retention policies prevent the deletion or modification of objects for a specified duration.

YAML Source

id: gcloud-insufficient-data-retention-period

info:
  name: Check for Sufficient Data Retention Period for Cloud Storage Buckets
  author: princechaddha
  severity: medium
  description: |
    Ensure that the objects stored within your Google Cloud Storage buckets have a sufficient data retention period configured to meet security and compliance requirements. Retention policies prevent the deletion or modification of objects for a specified duration.
  impact: |
    Insufficient retention periods can lead to data being prematurely deleted, resulting in potential security, compliance, and operational risks.
  remediation: |
    Configure a sufficient data retention period for your Google Cloud Storage buckets based on your organization's security and compliance policies.
  reference:
    - https://cloud.google.com/storage/docs/bucket-lock
  tags: cloud,devops,gcp,gcloud,google-cloud-storage,retention,security,compliance,gcp-cloud-config

flow: |
  code(1)
  for(let projectId of iterate(template.projectIds)){
    set("projectId", projectId)
    code(2)
    for(let bucketName of iterate(template.buckets)){
      set("bucketName", bucketName)
      code(3)
    }
  }

self-contained: true

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

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

  - engine:
      - sh
      - bash
    source: |
      gsutil ls -p $projectId | jq -R . | jq -s .

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

  - engine:
      - sh
      - bash
    source: |
      gsutil retention get $bucketName

    matchers:
      - type: word
        words:
          - 'no Retention Policy'

    extractors:
      - type: dsl
        dsl:
          - '"The bucket " + bucketName + " in project " + projectId + " does not have a sufficient retention period configured or the retention policy is unlocked."'
# digest: 4a0a0047304502207f5416cd328cd9c1c6aaf0c142bec14b386177b045f39f031b1d4e49bda28530022100e769e089a1df86a265f135fb02e6f6c875b33d3fed709e1ae6ff6f1690990656:922c64590222798bb761d5b6d8e72950

Guide to check the vulnerabilities

This template is used to detect vulnerabilities in web applications. It can be used with the Nuclei tool to scan for specific patterns or behaviors.

$ nuclei -u "URL" -t "cloud/gcp/storage/gcloud-insufficient-data-retention-period.yaml"

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