CVE-2020-21998: HomeAutomation 3.3.2 - Open Redirect

id: CVE-2020-21998

info:
  name: HomeAutomation 3.3.2 - Open Redirect
  author: 0x_Akoko
  severity: medium
  description: |
    HomeAutomation 3.3.2 contains a redirect vulnerability caused by improper verification of the 'redirect' GET parameter in 'api.php', letting attackers redirect users to arbitrary websites, exploit requires user interaction with a crafted link.
  reference:
    - https://www.zeroscience.mk/en/vulnerabilities/ZSL-2019-5559.php
    - https://packetstormsecurity.com/files/155795/HomeAutomation-3.3.2-Open-Redirect.html
    - https://cxsecurity.com/issue/WLB-2019120132
  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-2020-21998
    cwe-id: CWE-601
    epss-score: 0.03954
    epss-percentile: 0.87847
    cpe: cpe:2.3:a:homeautomation_project:homeautomation:3.3.2:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 1
    vendor: homeautomation_project
    product: homeautomation
  tags: cve,cve2020,homeautomation,packetstorm,iot,redirect,vuln

http:
  - method: GET
    path:
      - "{{BaseURL}}/homeautomation_v3_3_2/api.php?do=groups/toggle&groupid=1&status=1&redirect=https://interact.sh/"

    matchers:
      - type: regex
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$'
        part: header
# digest: 4a0a004730450220278f0104ecd0a1ccedb3668d812c2ac59b383af81ea41e8bc0d5c8b06c9d7b70022100de7f5d000100b0304182f441690b50f1446bf8c60b7c954fc58c42687c566b33:922c64590222798bb761d5b6d8e72950