mcp-server-semgrep/semgrep-rules/typescript/aws-cdk/security/audit/awscdk-bucket-encryption.yml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: awscdk-bucket-encryption
  message: >-
    Add "encryption: $Y.BucketEncryption.KMS_MANAGED" or "encryption: $Y.BucketEncryption.S3_MANAGED"
    to the bucket props
    for Bucket construct $X
  metadata:
    cwe:
    - 'CWE-311: Missing Encryption of Sensitive Data'
    category: security
    technology:
    - AWS-CDK
    references:
    - https://docs.aws.amazon.com/AmazonS3/latest/userguide/security-best-practices.html
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A04:2021 - Insecure Design
    subcategory:
    - vuln
    likelihood: LOW
    impact: HIGH
    confidence: MEDIUM
  languages:
  - typescript
  severity: ERROR
  pattern-either:
  - patterns:
    - pattern-inside: |
        import {Bucket} from '@aws-cdk/aws-s3'
        ...
    - pattern: const $X = new Bucket(...)
    - pattern-not: |
        const $X = new Bucket(..., {..., encryption: BucketEncryption.KMS_MANAGED, ...})
    - pattern-not: |
        const $X = new Bucket(..., {..., encryption: BucketEncryption.KMS, ...})
    - pattern-not: |
        const $X = new Bucket(..., {..., encryption: BucketEncryption.S3_MANAGED, ...})
  - patterns:
    - pattern-inside: |
        import * as $Y from '@aws-cdk/aws-s3'
        ...
    - pattern: const $X = new $Y.Bucket(...)
    - pattern-not: |
        const $X = new $Y.Bucket(..., {..., encryption: $Y.BucketEncryption.KMS_MANAGED, ...})
    - pattern-not: |
        const $X = new $Y.Bucket(..., {..., encryption: $Y.BucketEncryption.KMS, ...})
    - pattern-not: |
        const $X = new $Y.Bucket(..., {..., encryption: $Y.BucketEncryption.S3_MANAGED, ...})