id: CVE-2024-10908

info:
  name: FastChat - Open Redirect
  author: DhiyaneshDK
  severity: medium
  description: |
    Detects an open redirect vulnerability in lm-sys/fastchat version 0.2.36, which allows attackers to redirect users to malicious URLs.
  reference:
    - https://huntr.com/bounties/61f5e725-5579-4d08-8a88-e4ba04e6d1f2
  metadata:
    shodan-query: html:"Chatbot Arena"
    verified: true
    max-request: 1
  tags: cve,cve2024,fastchat,redirect,oss,chatbot,areana

flow: http(1) && http(2)

http:
  - method: GET
    path:
      - "{{BaseURL}}"

    matchers:
      - type: dsl
        dsl:
          - 'contains_any(body,"lm-sys/FastChat/")'
        internal: true

  - method: GET
    path:
      - "{{BaseURL}}/file=https://interact.sh"

    matchers:
      - type: regex
        part: header
        regex:
          - '(?m)^(?:Location\s*?:\s*?)(?:https?://|//)?(?:[a-zA-Z0-9\-_\.@]*)interact\.sh.*$'
# digest: 4a0a004730450220660b263cfbff1ee5ef7ab28ca4aa0241c05f02f12e8cdd8837fb5e5d3cc4aabd0221009ec7340da1dbe80e99001b7e3d13dff83d8ee2227f7239d107c3451884e3fa5b:922c64590222798bb761d5b6d8e72950