CVEs-PoC/2017/CVE-2017-14638.md

### [CVE-2017-14638](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-14638)
![](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

AP4_AtomFactory::CreateAtomFromStream in Core/Ap4AtomFactory.cpp in Bento4 version 1.5.0-617 has missing NULL checks, leading to a NULL pointer dereference, segmentation fault, and application crash in AP4_Atom::SetType in Core/Ap4Atom.h.

### POC

#### Reference
- https://blogs.gentoo.org/ago/2017/09/14/bento4-null-pointer-dereference-in-ap4_atomsettype-ap4atom-h/
- https://github.com/axiomatic-systems/Bento4/issues/182

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