ajinabraham.njsscan.xxe_node.node_xxe

rules:
  - id: node_xxe
    patterns:
      - 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: |
              $LIBXML.parseXmlString(..., <... $REQ.$QUERY.$VAR.$FILE ...>, ...)
          - pattern: |
              $LIBXML.parseXmlString(..., <... $REQ.$QUERY.$VAR ...>, ...)
          - pattern: |
              $LIBXML.parseXmlString(..., <... $REQ.$QUERY ...>, ...)
          - pattern: >
              $FOO = <... $REQ.$QUERY.$VAR.$FILE ...>; ...
              $LIBXML.parseXmlString(..., <... $FOO ...>, ...)
          - pattern: >
              $FOO = <... $REQ.$QUERY.$VAR ...>; ... $LIBXML.parseXmlString(...,
              <... $FOO ...>, ...)
          - pattern: >
              $FOO = <... $REQ.$QUERY ...>; ... $LIBXML.parseXmlString(..., <...
              $FOO ...>, ...)
          - pattern: |
              $LIBXML.parseXml(..., <... $REQ.$QUERY.$VAR.$FILE ...>, ...)
          - pattern: |
              $LIBXML.parseXml(..., <... $REQ.$QUERY.$VAR ...>, ...)
          - pattern: |
              $LIBXML.parseXml(..., <... $REQ.$QUERY ...>, ...)
          - pattern: >
              $FOO = <... $REQ.$QUERY.$VAR.$FILE ...>; ... $LIBXML.parseXml(...,
              <... $FOO ...>, ...)
          - pattern: >
              $FOO = <... $REQ.$QUERY.$VAR ...>; ... $LIBXML.parseXml(..., <...
              $FOO ...>, ...)
          - pattern: |
              $FOO = <... $REQ.$QUERY ...>;
              ...
              $LIBXML.parseXml(..., <... $FOO ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxParser()
              ...
              $PARSER.parseString(..., <... $REQ.$QUERY ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxParser()
              ...
              $PARSER.parseString(..., <... $REQ.$QUERY.$BAR ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxParser()
              ...
              $PARSER.parseString(..., <... $REQ.$QUERY.$BAR.$FILE ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxPushParser()
              ...
              $PARSER.push(..., <... $REQ.$QUERY ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxPushParser()
              ...
              $PARSER.push(..., <... $REQ.$QUERY.$FOO ...> , ...)
          - pattern: |
              $PARSER = new libxmljs.SaxPushParser()
              ...
              $PARSER.push(..., <... $REQ.$QUERY.$FOO.$FILE ...> , ...)
          - pattern: |
              $PARSER = new libxmljs.SaxParser()
              ...
              $FOO = <... $REQ.$QUERY ...>;
              ...
              $PARSER.parseString(..., <... $FOO ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxParser()
              ...
              $FOO = <... $REQ.$QUERY.$BAR ...>;
              ...
              $PARSER.parseString(..., <... $FOO ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxParser()
              ...
              $FOO = <... $REQ.$QUERY.$BAR.$FILE ...>;
              ...
              $PARSER.parseString(..., <... $FOO ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxPushParser()
              ...
              $FOO = <... $REQ.$QUERY ...>;
              ...
              $PARSER.push(..., <... $FOO ...>, ...)
          - pattern: |
              $PARSER = new libxmljs.SaxPushParser()
              ...
              $FOO = <... $REQ.$QUERY.$BAR ...>;
              ...
              $PARSER.push(..., <... $FOO ...> , ...)
          - pattern: |
              $PARSER = new libxmljs.SaxPushParser()
              ...
              $FOO = <... $REQ.$QUERY.$BAR.$FILE ...>;
              ...
              $PARSER.push(..., <... $FOO ...> , ...)
    message: User controlled data in XML parsers can result in XML External or
      Internal Entity (XXE) Processing vulnerabilities
    languages:
      - javascript
    severity: ERROR
    metadata:
      owasp-web: a4
      cwe: cwe-611
      license: LGPL-3.0-or-later