ajinabraham.njsscan.exec_os_command.generic_os_command_exec

rules:
  - id: generic_os_command_exec
    patterns:
      - pattern-inside: |
          require('child_process')
          ...
      - 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: |
              $EXEC.exec(..., <... $REQ.$QUERY.$VAR ...>, ...)
          - pattern: |
              $EXEC.exec(..., <... $REQ.$QUERY ...>, ...)
          - pattern: |
              $EXEC.execSync(..., <... $REQ.$QUERY.$VAR ...>, ...)
          - pattern: |
              $EXEC.execSync(..., <... $REQ.$QUERY ...>, ...)
          - pattern: |
              $INP = <... $REQ.$QUERY.$VAR ...>;
              ...
              $EXEC.exec(..., <... $INP ...>, ...)
          - pattern: |
              $INP = <... $REQ.$QUERY ...>;
              ...
              $EXEC.exec(..., <... $INP ...>, ...)
          - pattern: |
              $INP = <... $REQ.$QUERY ...>;
              ...
              $EXEC.execSync(..., <... $INP ...>, ...)
          - pattern: |
              $INP = <... $REQ.$QUERY.$VAR ...>;
              ...
              $EXEC.execSync(..., <... $INP ...>, ...)
    message: User controlled data in 'child_process.exec()' can result in Remote OS
      Command Execution.
    languages:
      - javascript
    severity: ERROR
    metadata:
      owasp-web: a1
      cwe: cwe-78
      license: LGPL-3.0-or-later