CVE-2020-10575 Use after free in n/a

Medium 4.2 Published 14 Mar 2020 Updated 4 Aug 2024

A race condition in the Janus VideoCall plugin leads to use-after-free errors, potentially causing crashes or arbitrary code execution.

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-2020-10575?

CVE-2020-10575 is a medium-severity use after free vulnerability in n/a, published on 14 Mar 2020. 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

An issue was discovered in Janus through 0.9.1. plugins/janus_videocall.c in the VideoCall plugin mishandles session management because a race condition causes some references to be freed too early or too many times.

Weakness: CWE-362

Which versions are affected by CVE-2020-10575?

It affects 1 product.

Products include Meetecho Janus.

How do I fix CVE-2020-10575?

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-2020-10575 being exploited?

There is no known exploitation of CVE-2020-10575 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2020-10575, GHSA-75v9-3548-wg8c, UBUNTU-CVE-2020-10575.