CVE-2021-21850 log

Source
Severity Medium
Remote Yes
Type Arbitrary code execution
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 can cause an integer overflow when the library encounters an atom using the 'trun' FOURCC code 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.
Group Package Affected Fixed Severity Status Ticket
AVG-1823 gpac 1:1.0.1-1 Medium Vulnerable
References
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1297
https://github.com/gpac/gpac/issues/1814
https://github.com/gpac/gpac/commit/b515fd04f5f00f4a99df741042f1efb31ad56351