cve/2018/CVE-2018-21015.md

### [CVE-2018-21015](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-21015)
![](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

AVC_DuplicateConfig() at isomedia/avc_ext.c in GPAC 0.7.1 allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) via a crafted file. There is "cfg_new->AVCLevelIndication = cfg->AVCLevelIndication;" but cfg could be NULL.

### POC

#### Reference
- https://github.com/gpac/gpac/issues/1179
- https://github.com/gpac/gpac/issues/1179

#### Github
- https://github.com/Marsman1996/pocs