ajinabraham.njsscan.jwt_none_algorithm.node_jwt_none_algorithm

rules:
  - id: node_jwt_none_algorithm
    patterns:
      - pattern-either:
          - pattern: |
              $JWT = require("jsonwebtoken")
              ...
              $T = $JWT.verify($P, $X, {algorithms:[...,'none',...]},...)
          - pattern: |
              $JWT = require("jsonwebtoken")
              ...
              $JWT.verify($P, $X, {algorithms:[...,'none',...]},...)
          - pattern: |
              $JOSE = require("jose")
              ...
              var { JWK, JWT } = $JOSE;
              ...
              $T = JWT.verify($P, JWK.None,...)
          - pattern: |
              $JOSE = require("jose")
              ...
              var { JWK, JWT } = $JOSE;
              ...
              JWT.verify($P, JWK.None,...)
    message: Algorithm is set to none for JWT token. This can nullify the integrity
      of JWT signature.
    languages:
      - javascript
    severity: ERROR
    metadata:
      owasp-web: a9
      cwe: cwe-327
      license: LGPL-3.0-or-later