CVE-2021-23210 Denial of service in SoX (Sound eXchange)
An attacker can cause a denial of service via a crafted file triggering a divide-by-zero error in SoX.
- 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-2021-23210?
CVE-2021-23210 is a medium-severity denial of service vulnerability in SoX (Sound eXchange), published on 25 Aug 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
A floating point exception (divide-by-zero) issue was discovered in SoX in functon read_samples() of voc.c file. An attacker with a crafted file, could cause an application to crash.
Weakness: CWE-369
Which versions are affected by CVE-2021-23210?
It affects 1 product.
Products include Sound Exchange Project Sound Exchange.
How do I fix CVE-2021-23210?
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-2021-23210 being exploited?
There is no known exploitation of CVE-2021-23210 in the wild and no public exploit code.
Other vulnerabilities in SoX (Sound eXchange)
Sources
Also known as AZL-43450, AZL-44658, DEBIAN-CVE-2021-23210, GHSA-3mv4-6x34-qw3c, UBUNTU-CVE-2021-23210.