CVE-2021-38383 Use after free in n/a

Critical 9.8 Published 10 Aug 2021 Updated 4 Aug 2024

A use-after-free vulnerability in OwnTone server allows attackers to potentially execute arbitrary code or cause a denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: Available

What is CVE-2021-38383?

CVE-2021-38383 is a critical use after free vulnerability in n/a, published on 10 Aug 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

OwnTone (aka owntone-server) through 28.1 has a use-after-free in net_bind() in misc.c.

Weakness: CWE-416

Which versions are affected by CVE-2021-38383?

It affects 1 product.

Linux distribution packages (1)

owntone openSUSE:Tumbleweed All versions 28.2-1.2

Products include Owntone Owntone Server.

How do I fix CVE-2021-38383?

Apply the vendor's patch.

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-2021-38383 being exploited?

There is no known exploitation of CVE-2021-38383 in the wild and no public exploit code.

Sources

Also known as GHSA-h63m-522m-f339, openSUSE-SU-2024:11135-1.