cve/2017/CVE-2017-14646.md

### [CVE-2017-14646](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14646)
![](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 AP4_AvccAtom and AP4_HvccAtom classes in Bento4 version 1.5.0-617 do not properly validate data sizes, leading to a heap-based buffer over-read and application crash in AP4_DataBuffer::SetData in Core/Ap4DataBuffer.cpp.

### POC

#### Reference
- https://blogs.gentoo.org/ago/2017/09/14/bento4-heap-based-buffer-overflow-in-ap4_databuffersetdata-ap4databuffer-cpp/
- https://github.com/axiomatic-systems/Bento4/issues/188

#### Github
- https://github.com/mudongliang/LinuxFlaw
- https://github.com/oneoy/cve-