mcp-server-semgrep/semgrep-rules/java/lang/security/audit/crypto/rsa-no-padding.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: rsa-no-padding
  metadata:
    functional-categories:
      - 'crypto::search::mode::javax.crypto'
    cwe:
    - 'CWE-326: Inadequate Encryption Strength'
    owasp:
    - A03:2017 - Sensitive Data Exposure
    - A02:2021 - Cryptographic Failures
    source-rule-url: https://find-sec-bugs.github.io/bugs.htm#RSA_NO_PADDING
    references:
    - https://rdist.root.org/2009/10/06/why-rsa-encryption-padding-is-critical/
    asvs:
      section: V6 Stored Cryptography Verification Requirements
      control_id: 6.2.5 Insecure Algorithm
      control_url: https://github.com/OWASP/ASVS/blob/master/4.0/en/0x14-V6-Cryptography.md#v62-algorithms
      version: '4'
    category: security
    technology:
    - java
    - kotlin
    subcategory:
    - vuln
    likelihood: MEDIUM
    impact: MEDIUM
    confidence: HIGH
  message: >-
    Using RSA without OAEP mode weakens the encryption.
  severity: WARNING
  languages:
  - java
  - kt
  pattern: $CIPHER.getInstance("=~/RSA/[Nn][Oo][Nn][Ee]/NoPadding/")