mcp-server-semgrep/semgrep-rules/php/laravel/security/laravel-cookie-null-domain.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: laravel-cookie-null-domain
  patterns:
  - pattern: |
      'cookie'
  - pattern-inside: |
      return [
        ...,
        'cookie' => env(...),
        ...
      ];
  - pattern-not-inside: |
      return [
        ...,
        'domain' => null,
        ...
      ];
  - pattern-not-inside: |
      return [
        ...,
        'domain' => env('$NAME', $DEFAULT),
        ...
      ];
  paths:
    include:
    - '*session.php'
  message: >-
    Found a configuration file where the domain attribute is not set to null. It is recommended (unless
    you are using sub-domain route registrations) to set this attribute to null so that only the
    same origin can set the cookie, thus protecting your cookies. 
  languages:
  - php
  severity: ERROR
  metadata:
    category: security
    cwe:
    - 'CWE-200: Exposure of Sensitive Information to an Unauthorized Actor'
    owasp:
    - A01:2021 - Broken Access Control
    technology:
    - php
    - laravel
    references:
    - https://github.com/OWASP/CheatSheetSeries/blob/master/cheatsheets/Laravel_Cheat_Sheet.md
    cwe2021-top25: true
    subcategory:
    - audit
    likelihood: LOW
    impact: LOW
    confidence: LOW