cve/2017/CVE-2017-11124.md

### [CVE-2017-11124](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-11124)
![](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

libxar.so in xar 1.6.1 has a NULL pointer dereference in the xar_unserialize function in archive.c.

### POC

#### Reference
- https://blogs.gentoo.org/ago/2017/06/28/xar-null-pointer-dereference-in-xar_unserialize-archive-c/

#### Github
- https://github.com/andir/nixos-issue-db-example