Authenticated (user role) remote command execution by modifying `nginx` settings (GHSL-2023-269)

Nginx-ui is online statistics for Server Indicators​​ Monitor CPU usage, memory usage, load average, and disk usage in real-time. The `Home > Preference` page exposes a small list of nginx settings such as `Nginx Access Log Path` and `Nginx Error Log Path`. However, the API also exposes `test_config_cmd`, `reload_cmd` and `restart_cmd`. While the UI doesn't allow users to modify any of these settings, it is possible to do so by sending a request to the API. This issue may lead to authenticated Remote Code Execution, Privilege Escalation, and Information Disclosure. This issue has been patched in version 2.0.0.beta.9.

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:L

在命令中使用的特殊元素转义处理不恰当(命令注入)

Nginx UI 命令注入漏洞

Nginx UI是Jacky个人开发者的一个 Nginx 的 WebUI。 Nginx UI 2.0.0.beta.9之前版本存在命令注入漏洞，攻击者利用该漏洞可以通过修改 nginx设置来执行任意命令。

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