mcp-server-semgrep/semgrep-rules/go/lang/security/audit/crypto/sha224-hash.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: sha224-hash
  pattern-either:
    - patterns:
      - pattern-inside: |
          import "crypto/sha256"
          ...
      - pattern-either:
        - pattern: |
            sha256.New224()
        - pattern: |
            sha256.Sum224(...)
    - patterns:
      - pattern-inside: |
          import "golang.org/x/crypto/sha3"
          ...
      - pattern-either:
        - pattern: |
            sha3.New224()
        - pattern: |
            sha3.Sum224(...)
  message: >-
    This code uses a 224-bit hash function, which is deprecated or disallowed
    in some security policies. Consider updating to a stronger hash function such
    as SHA-384 or higher to ensure compliance and security.
  languages: [go]
  severity: WARNING
  metadata:
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A02:2021 - Cryptographic Failures
    cwe:
    - 'CWE-328: Use of Weak Hash'
    category: security
    technology:
    - go
    references:
    - https://nvlpubs.nist.gov/nistpubs/SpecialPublications/NIST.SP.800-131Ar3.ipd.pdf
    - https://www.cyber.gov.au/resources-business-and-government/essential-cyber-security/ism/cyber-security-guidelines/guidelines-cryptography
    subcategory:
    - vuln
    likelihood: LOW
    impact: LOW
    confidence: HIGH