CVE-2021-40592 Denial of service in n/a

Medium 5.5 Published 8 Jun 2022 Updated 4 Aug 2024

An attacker can cause a denial of service via infinite loop in GPAC by tricking a user into opening a malicious MP4 file.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Local or same network only
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2021-40592?

CVE-2021-40592 is a medium-severity denial of service vulnerability in Gpac Gpac, published on 8 Jun 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official description

GPAC version before commit 71460d72ec07df766dab0a4d52687529f3efcf0a (version v1.0.1 onwards) contains loop with unreachable exit condition ('infinite loop') vulnerability in ISOBMFF reader filter, isoffin_read.c. Function isoffin_process() can result in DoS by infinite loop. To exploit, the victim must open a specially crafted mp4 file.

Weakness: CWE-835

Which versions are affected by CVE-2021-40592?

It affects 1 product.

Products include Gpac Gpac.

How do I fix CVE-2021-40592?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2021-40592 being exploited?

There is no known exploitation of CVE-2021-40592 in the wild and no public exploit code.

All Gpac Gpac vulnerabilities

Sources

Also known as DEBIAN-CVE-2021-40592, GHSA-h7xc-x3v8-qjhv, UBUNTU-CVE-2021-40592.