mobsf.mobsfscan.xxe.xmldecoder_xxe.xml_decoder_xxe

rules:
  - id: xml_decoder_xxe
    patterns:
      - pattern: |
          $X $METHOD(...) {
            ...
            new XMLDecoder(...);
            ...
          }
      - pattern-not: |
          $X $METHOD(...) {
            ...
            new XMLDecoder("...");
            ...
          }
      - pattern-not: |-
          $X $METHOD(...) {
            ...
            String $STR = "...";
            ...
            new XMLDecoder($STR);
            ...
          }
    message: |
      XMLDecoder should not be used to parse untrusted data.
      Deserializing user input can lead to arbitrary code execution.
      Use an alternative and explicitly disable external entities.
    severity: WARNING
    languages:
      - java
    metadata:
      cwe: cwe-611
      owasp-mobile: m8
      masvs: platform-2
      reference: https://github.com/MobSF/owasp-mstg/blob/master/Document/0x04h-Testing-Code-Quality.md#injection-flaws-mstg-arch-2-and-mstg-platform-2
      license: LGPL-3.0-or-later
      vulnerability_class:
        - Other