mcp-server-semgrep/semgrep-rules/php/lang/security/injection/tainted-object-instantiation.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: tainted-object-instantiation
  languages:
  - php
  severity: WARNING
  message: <- A new object is created where the class name is based on user input. This could lead to
    remote code execution, as it allows to instantiate any class in the application.
  metadata:
    cwe:
    - "CWE-470: Use of Externally-Controlled Input to Select Classes or Code ('Unsafe Reflection')"
    category: security
    technology:
    - php
    owasp:
    - A03:2021 - Injection
    references:
    - https://owasp.org/Top10/A03_2021-Injection
    subcategory:
    - vuln
    impact: MEDIUM
    likelihood: MEDIUM
    confidence: MEDIUM
  mode: taint
  pattern-sources:
  - patterns:
    - pattern-either:
      - pattern: $_GET
      - pattern: $_POST
      - pattern: $_COOKIE
      - pattern: $_REQUEST
      - pattern: $_SERVER
  pattern-sinks:
  - patterns:
    - pattern-either:
      - pattern-inside: new $SINK(...)
    - pattern: $SINK