CVE-2021-38382 Use after free in n/a

Medium 6.5 Published 10 Aug 2021 Updated 4 Aug 2024

An attacker can cause a denial of service in applications using Live555 by sending successive RTSP SETUP commands, triggering a use-after-free crash.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: A user has to click or open something
Fix: Available

What is CVE-2021-38382?

CVE-2021-38382 is a medium-severity use after free vulnerability in n/a, published on 10 Aug 2021. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Live555 through 1.08 does not handle Matroska and Ogg files properly. Sending two successive RTSP SETUP commands for the same track causes a Use-After-Free and daemon crash.

Weakness: CWE-416

Which versions are affected by CVE-2021-38382?

It affects 1 product.

Products include Live555 Live555.

How do I fix CVE-2021-38382?

Upgrade to a fixed version.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2021-38382 being exploited?

There is no known exploitation of CVE-2021-38382 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-38382, GHSA-3v3m-cp4r-m942, UBUNTU-CVE-2021-38382.