id: CVE-2021-3654

info:
  name: noVNC Open Redirect
  author: geeknik
  severity: low
  description: A user-controlled input redirects noVNC users to an external website.
  reference:
    - https://seclists.org/oss-sec/2021/q3/188
    - http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3654
  tags: redirect,novnc,cve,cve2021

requests:
  - method: GET

    path:
      - '{{BaseURL}}//example.com/%2f..'

    matchers-condition: and
    matchers:
      - type: regex
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)example\.com.*$'
        part: header

      - type: status
        status:
          - 302
          - 301