cve/2017/CVE-2017-12814.md

### [CVE-2017-12814](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12814)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brighgreen)

### Description

Stack-based buffer overflow in the CPerlHost::Add method in win32/perlhost.h in Perl before 5.24.3-RC1 and 5.26.x before 5.26.1-RC1 on Windows allows attackers to execute arbitrary code via a long environment variable.

### POC

#### Reference
- https://hackerone.com/reports/272497
- https://rt.perl.org/Public/Bug/Display.html?id=131665
- https://www.oracle.com/security-alerts/cpujul2020.html

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