rules:
- id: assert-use-audit
  patterns:
  - pattern: assert($ASSERT, ...);
  - pattern-not: assert("...", ...);
  - metavariable-regex:
      metavariable: $ASSERT
      # explanation - alphanumerics, array references (literal or variable), object properties
      regex: \A\$[A-Za-z\[\]\-_'"\$]+(\-\>\w+)?\Z
  message: >-
    Calling assert with user input is equivalent to eval'ing.
  metadata:
    owasp:
    - A03:2021 - Injection
    - A05:2025 - Injection
    cwe:
    - "CWE-95: Improper Neutralization of Directives in Dynamically Evaluated Code ('Eval Injection')"
    references:
    - https://www.php.net/manual/en/function.assert
    - https://github.com/FloeDesignTechnologies/phpcs-security-audit/blob/master/Security/Sniffs/BadFunctions/AssertsSniff.php
    category: security
    technology:
    - php
    confidence: LOW
    subcategory:
    - audit
    likelihood: LOW
    impact: HIGH
  languages: [php]
  severity: ERROR