cve/2021/CVE-2021-21836.md

CVE-2021-21836

Description

An exploitable integer overflow vulnerability exists within the MPEG-4 decoding functionality of the GPAC Project on Advanced Content library v1.0.1. A specially crafted MPEG-4 input using the “ctts” FOURCC code can cause an integer overflow due to unchecked arithmetic resulting in a heap-based buffer overflow that causes memory corruption. An attacker can convince a user to open a video to trigger this vulnerability.

POC

Reference

• https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297

Github

• https://github.com/ARPSyndicate/cvemon