ajinabraham.njsscan.eval_vm2_injection.vm2_code_injection

rules:
  - id: vm2_code_injection
    patterns:
      - pattern-inside: |
          require('vm2')
          ...
      - pattern-either:
          - pattern-inside: function ($REQ, $RES, ...) {...}
          - pattern-inside: function $FUNC($REQ, $RES, ...) {...}
          - pattern-inside: $X = function $FUNC($REQ, $RES, ...) {...}
          - pattern-inside: var $X = function $FUNC($REQ, $RES, ...) {...};
          - pattern-inside: $APP.$METHOD(..., function $FUNC($REQ, $RES, ...) {...})
      - pattern-either:
          - pattern: |
              $VM.run(<... $REQ.$QUERY.$FOO ...>,...)
          - pattern: |
              $CODE = <... $REQ.$QUERY.$FOO ...>;
              ...
              $VM.run(<... $CODE ...>,...)
          - pattern: |
              new VM(...).run(<... $REQ.$QUERY.$FOO ...>,...)
          - pattern: |
              new NodeVM(...).run(<... $REQ.$QUERY.$FOO ...>,...)
          - pattern: |
              $CODE = <... $REQ.$QUERY.$FOO ...>;
              ...
              new NodeVM(...).run(<... $CODE ...>,...)
          - pattern: |
              $CODE = <... $REQ.$QUERY.$FOO ...>;
              ...
              new VMScript(<... $CODE ...>,...)
          - pattern: |
              $VM.run(<... $REQ.$BODY ...>,...)
          - pattern: |
              $CODE = <... $REQ.$BODY ...>;
              ...
              $VM.run(<... $CODE ...>,...)
          - pattern: |
              new VM(...).run(<... $REQ.$BODY ...>,...)
          - pattern: |
              $CODE = <... $REQ.$BODY ...>;
              ...
              new VM(...).run($CODE,...)
          - pattern: |
              new NodeVM(...).run(<... $REQ.$BODY ...>,...)
          - pattern: |
              $CODE = <... $REQ.$BODY ...>;
              ...
              new NodeVM(...).run(<... $CODE ...>,...)
          - pattern: |
              $CODE = <... $REQ.$BODY ...>;
              ...
              new VMScript(<... $CODE ...>,...)
    message: Untrusted user input reaching `vm2` can result in code injection.
    severity: WARNING
    languages:
      - javascript
    metadata:
      owasp-web: a1
      cwe: cwe-94
      license: LGPL-3.0-or-later