S3 Bucket Key not enabled

ID: s3-bucket-key

Severity: medium

Author: princechaddha

Tags: cloud,devops,aws,amazon,s3,aws-cloud-config

Description

This template verifies if Amazon S3 buckets have bucket keys enabled to optimize the cost of AWS Key Management Service (SSE-KMS) for server-side encryption

YAML Source

id: s3-bucket-key
info:
  name: S3 Bucket Key not enabled
  author: princechaddha
  severity: medium
  description: |
    This template verifies if Amazon S3 buckets have bucket keys enabled to optimize the cost of AWS Key Management Service (SSE-KMS) for server-side encryption
  reference:
    - https://docs.aws.amazon.com/AmazonS3/latest/userguide/manage-versioning-examples.html
  metadata:
    max-request: 2
  tags: cloud,devops,aws,amazon,s3,aws-cloud-config

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

self-contained: true
code:
  - engine:
      - sh
      - bash
    source: |
      aws s3api list-buckets --query 'Buckets[*].Name'

    extractors:
      - type: json # type of the extractor
        internal: true
        name: buckets
        json:
          - '.[]'

  - engine:
      - sh
      - bash
    source: |
        aws s3api get-bucket-encryption --bucket cc-prod-log-bucket --query 'ServerSideEncryptionConfiguration.Rules[?ApplyServerSideEncryptionByDefault.SSEAlgorithm==`aws:kms`].BucketKeyEnabled'

    matchers:
      - type: word
        words:
          - false

    extractors:
      - type: dsl
        dsl:
          - '"Key is not enabled for S3 Bucket " + bucket'
# digest: 4b0a0048304602210083308c84907782cf3348c4fff3389776781332c7deba89a75342b2e764f38c08022100ee305e64ec5617a08240d14705ceaeadaa3bafb59ffc8108c9b668423b5bb25a: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/aws/s3/s3-bucket-key.yaml"

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