cve/2017/CVE-2017-8847.md

### [CVE-2017-8847](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-8847)
![](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

The bufRead::get() function in libzpaq/libzpaq.h in liblrzip.so in lrzip 0.631 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted archive.

### POC

#### Reference
- https://blogs.gentoo.org/ago/2017/05/07/lrzip-null-pointer-dereference-in-bufreadget-libzpaq-h/
- https://github.com/ckolivas/lrzip/issues/67

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