CVE-2021-3643 Information disclosure in sox

Critical 9.1 Published Updated

A global buffer overflow in the SoX library allows attackers to disclose sensitive information by providing a malicious audio file.

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

What is CVE-2021-3643?

CVE-2021-3643 is a critical vulnerability in sox, published on 2 May 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A flaw was found in sox 14.4.1. The lsx_adpcm_init function within libsox leads to a global-buffer-overflow. This flaw allows an attacker to input a malicious file, leading to the disclosure of sensitive information.

Weakness: CWE-120, CWE-125

Which versions are affected by CVE-2021-3643?

It affects 1 product.

Products include Sound Exchange Project Sound Exchange.

How do I fix CVE-2021-3643?

Upgrade to a fixed version.

Is CVE-2021-3643 being exploited?

There is no known exploitation of CVE-2021-3643 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2021-3643, GHSA-6537-hg9g-m5mp, UBUNTU-CVE-2021-3643.

Is CVE-2021-3643 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free