cve/2019/CVE-2019-13636.md

### [CVE-2019-13636](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-13636)
![](https://img.shields.io/static/v1?label=Product&message=n%2Fa&color=blue)
![](https://img.shields.io/static/v1?label=Version&message=n%2Fa%20&color=brightgreen)
![](https://img.shields.io/static/v1?label=Vulnerability&message=n%2Fa&color=brightgreen)

### Description

In GNU patch through 2.7.6, the following of symlinks is mishandled in certain cases other than input files. This affects inp.c and util.c.

### POC

#### Reference
- http://packetstormsecurity.com/files/154124/GNU-patch-Command-Injection-Directory-Traversal.html
- https://github.com/irsl/gnu-patch-vulnerabilities
- https://seclists.org/bugtraq/2019/Aug/29

#### Github
- https://github.com/irsl/gnu-patch-vulnerabilities