mcp-server-semgrep/semgrep-rules/java/lang/security/audit/url-rewriting.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: url-rewriting
  message: >-
    URL rewriting has significant security risks.
    Since session ID appears in the URL, it may be easily seen by third parties.
  metadata:
    cwe:
    - 'CWE-200: Exposure of Sensitive Information to an Unauthorized Actor'
    owasp:
    - A01:2021 - Broken Access Control
    source-rule-url: https://find-sec-bugs.github.io/bugs.htm#URL_REWRITING
    category: security
    technology:
    - java
    references:
    - https://owasp.org/Top10/A01_2021-Broken_Access_Control
    cwe2021-top25: true
    subcategory:
    - vuln
    likelihood: LOW
    impact: MEDIUM
    confidence: LOW
  severity: WARNING
  languages: [java]
  pattern-either:
  - pattern: |
      $X $METHOD(...,HttpServletResponse $RES,...) {
        ...
        $RES.encodeURL(...);
        ...
      }
  - pattern: |
      $X $METHOD(...,HttpServletResponse $RES,...) {
        ...
        $RES.encodeUrl(...);
        ...
      }
  - pattern: |
      $X $METHOD(...,HttpServletResponse $RES,...) {
        ...
        $RES.encodeRedirectURL(...);
        ...
      }
  - pattern: |
      $X $METHOD(...,HttpServletResponse $RES,...) {
        ...
        $RES.encodeRedirectUrl(...);
        ...
      }
  - pattern: |
      $X $METHOD(...) {
        ...
        HttpServletResponse $RES = ...;
        ...
        $RES.encodeURL(...);
        ...
      }
  - pattern: |
      $X $METHOD(...) {
        ...
        HttpServletResponse $RES = ...;
        ...
        $RES.encodeUrl(...);
        ...
      }
  - pattern: |
      $X $METHOD(...) {
        ...
        HttpServletResponse $RES = ...;
        ...
        $RES.encodeRedirectURL(...);
        ...
      }
  - pattern: |-
      $X $METHOD(...) {
        ...
        HttpServletResponse $RES = ...;
        ...
        $RES.encodeRedirectUrl(...);
        ...
      }