mcp-server-semgrep/semgrep-rules/python/lang/security/use-defused-xmlrpc.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: use-defused-xmlrpc
  pattern-either:
  - pattern: import xmlrpclib
  - pattern: import SimpleXMLRPCServer
  - pattern: import xmlrpc
  message: >-
    Detected use of xmlrpc. xmlrpc is not inherently safe from vulnerabilities.
    Use defusedxml.xmlrpc instead.
  metadata:
    cwe:
    - "CWE-776: Improper Restriction of Recursive Entity References in DTDs ('XML Entity Expansion')"
    owasp:
    - A04:2017 - XML External Entities (XXE)
    - A05:2021 - Security Misconfiguration
    source-rule-url: https://github.com/PyCQA/bandit/blob/07f84cb5f5e7c1055e6feaa0fe93afa471de0ac3/bandit/blacklists/imports.py#L160
    references:
    - https://pypi.org/project/defusedxml/
    - https://docs.python.org/3/library/xml.html#xml-vulnerabilities
    category: security
    technology:
    - python
    subcategory:
    - audit
    likelihood: LOW
    impact: MEDIUM
    confidence: LOW
  severity: ERROR
  languages:
  - python