CVEs-PoC/2017/CVE-2017-12957.md

### [CVE-2017-12957](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12957)
![](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

There is a heap-based buffer over-read in libexiv2 in Exiv2 0.26 that is triggered in the Exiv2::Image::io function in image.cpp. It will lead to remote denial of service.

### POC

#### Reference
- https://bugzilla.redhat.com/show_bug.cgi?id=1482423

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