CVEs-PoC/2020/CVE-2020-1712.md

### [CVE-2020-1712](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1712)
![](https://img.shields.io/static/v1?label=Product&message=systemd&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&color=brighgreen)

### Description

A heap use-after-free vulnerability was found in systemd before version v245-rc1, where asynchronous Polkit queries are performed while handling dbus messages. A local unprivileged attacker can abuse this flaw to crash systemd services or potentially execute code and elevate their privileges, by sending specially crafted dbus messages.

### POC

#### Reference
No PoCs from references.

#### Github
- https://github.com/CoolerVoid/master_librarian
- https://github.com/Live-Hack-CVE/CVE-2020-1712
- https://github.com/SamanthaYu/CacheChecker
- https://github.com/garethr/snykout