cve/2017/CVE-2017-12781.md

### [CVE-2017-12781](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-12781)
![](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 EBML_BufferToID function in ebmlelement.c in libebml2 through 2012-08-26 allows remote attackers to cause a denial of service (Null pointer dereference and application crash) via a crafted mkv file.

### POC

#### Reference
- http://packetstormsecurity.com/files/144902/mkvalidator-0.5.1-Denial-Of-Service.html
- http://seclists.org/fulldisclosure/2017/Nov/19
- https://github.com/Matroska-Org/foundation-source/issues/24

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