CVEs-PoC/2017/CVE-2017-9869.md

### [CVE-2017-9869](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-9869)
![](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 II_step_one function in layer2.c in mpglib, as used in libmpgdecoder.a in LAME 3.99.5 and other products, allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted audio file.

### POC

#### Reference
- https://blogs.gentoo.org/ago/2017/06/17/lame-global-buffer-overflow-in-ii_step_one-layer2-c/
- https://www.exploit-db.com/exploits/42258/

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