CVEs-PoC/2020/CVE-2020-4031.md

### [CVE-2020-4031](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-4031)
![](https://img.shields.io/static/v1?label=Product&message=FreeRDP&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=CWE-416%3A%20Use%20After%20Free&color=brighgreen)

### Description

In FreeRDP before version 2.1.2, there is a use-after-free in gdi_SelectObject. All FreeRDP clients using compatibility mode with /relax-order-checks are affected. This is fixed in version 2.1.2.

### POC

#### Reference
- https://usn.ubuntu.com/4481-1/

#### Github
No PoCs found on GitHub currently.