id: CVE-2022-28923

info:
  name: Caddy 2.4.6 Open Redirect
  author: Sascha Brendel,DhiyaneshDk
  severity: medium
  description: |
    Caddy version 2.4.6 was discovered to contain an open redirection vulnerability which allows attackers to redirect users to phishing websites via crafted URLs.
  reference:
    - https://lednerb.de/en/publications/responsible-disclosure/caddy-open-redirect-vulnerability/
    - https://www.cve.org/CVERecord?id=CVE-2022-28923
    - https://github.com/caddyserver/caddy/issues/4502
  classification:
    cvss-metrics: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
    cvss-score: 6.1
    cve-id: CVE-2022-28923
    cwe-id: CWE-601
  metadata:
    verified: "true"
    shodan-query: "Server: caddy"
  tags: cve,cve2022,redirect,caddy,webserver

requests:
  - method: GET
    path:
      - '{{BaseURL}}/%5C%5Cinteract.sh/%252e%252e%252f'

    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?:\/\/|\/\/|\/\\\\|\/\\)(?:[a-zA-Z0-9\-_\.@]*)interact\.sh\/?(\/|[^.].*)?$' # https://regex101.com/r/L403F0/1