mcp-server-semgrep/semgrep-rules/javascript/deno/security/audit/deno-dangerous-run.yaml

MCP Server for Semgrep Integration - static code analysis with AI

rules:
- id: deno-dangerous-run
  message: >-
    Detected non-literal calls to Deno.run(). This could lead to a command
    injection vulnerability.
  metadata:
    cwe:
    - "CWE-78: Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')"
    owasp:
    - A01:2017 - Injection
    - A03:2021 - Injection
    category: security
    technology:
    - deno
    references:
    - https://deno.land/manual/examples/subprocess#simple-example
    cwe2022-top25: true
    cwe2021-top25: true
    subcategory:
    - vuln
    likelihood: LOW
    impact: HIGH
    confidence: MEDIUM
  languages:
  - javascript
  - typescript
  severity: ERROR
  mode: taint
  pattern-sources:
  - patterns:
    - pattern-inside: function ... (..., $ARG,...) {...}
    - focus-metavariable: $ARG
  pattern-sinks:
  - patterns:
    - pattern-either:
      - pattern: |
          Deno.run({cmd: [$INPUT,...]},...)
      - pattern: |
          Deno.run({cmd: ["=~/(sh|bash|ksh|csh|tcsh|zsh)/","-c",$INPUT,...]},...)
      - patterns:
        - pattern: |
            Deno.run({cmd: [$CMD,"-c",$INPUT,...]},...)
        - pattern-inside: |
            $CMD = "=~/(sh|bash|ksh|csh|tcsh|zsh)/"
            ...
    - focus-metavariable: $INPUT