id: generic-path-traversal

info:
  name: Generic - Path Traversal
  author: me_dheeraj (https://twitter.com/Dheerajmadhukar)
  severity: info
  description: Untrusted user input in readFile()/readFileSync() can endup in Directory Traversal Attacks.
  tags: file,nodejs

file:
  - extensions:
      - all

    matchers:
      - type: regex
        regex:
          - "[^\\.]*\\.createReadStream\\([^\\)]*\\, <[\\s\\S]*?\\> [^\\)]*\\)"
          - "[^\\.]*\\.readFile\\([^\\)]*\\, <[\\s\\S]*?\\> [^\\)]*\\)"
          - "[^\\.]*\\.readFileSync\\([^\\)]*\\, <[\\s\\S]*?\\> [^\\)]*\\)"
          - "[^\\.]*\\.readFileAsync\\([^\\)]*\\, <[\\s\\S]*?\\> [^\\)]*\\)"
        condition: or