mcp-server-semgrep/semgrep-rules/javascript/vm2/security/audit/vm2-code-injection.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: vm2-code-injection
  message: >-
    Make sure that unverified user data can not reach `vm2`.
  metadata:
    owasp:
    - A03:2021 - Injection
    cwe:
    - "CWE-94: Improper Control of Generation of Code ('Code Injection')"
    category: security
    technology:
    - vm2
    cwe2022-top25: true
    subcategory:
    - audit
    likelihood: LOW
    impact: HIGH
    confidence: LOW
    references:
    - https://owasp.org/Top10/A03_2021-Injection
  languages:
  - javascript
  - typescript
  severity: WARNING
  patterns:
  - pattern-inside: |
      require('vm2');
      ...
  - pattern-not-inside: |
      $CODE = "...";
      ...
  - pattern-not-inside: |
      require('vm2');
      ...
      $CODE = new VMScript(...);
      ...
  - pattern-either:
    - pattern: |
        $VM = new VM(...);
        ...
        $VM.run($CODE,...);
    - pattern: |
        new VM(...).run($CODE,...);
    - pattern: |
        $VM = new NodeVM(...);
        ...
        $VM.run($CODE,...);
    - pattern: |
        new NodeVM(...).run($CODE,...);
    - pattern: |
        new VMScript($CODE,...);
  - pattern-not: |
      $VM = new VM(...);
      ...
      $VM.run("...",...);
  - pattern-not: |
      $VM = new NodeVM(...);
      ...
      $VM.run("...",...);
  - pattern-not: |
      (new VM(...)).run("...",...);
  - pattern-not: |
      (new NodeVM(...)).run("...",...);
  - pattern-not: |-
      new VMScript("...",...);