CVE-2022-24792 Potential infinite loop when parsing WAV format file in PJSIP
Attackers can cause denial of service in 32-bit applications using PJSIP by providing malicious WAV files that trigger an infinite loop during parsing.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-24792?
CVE-2022-24792 is a high-severity denial of service vulnerability in Debian Debian Linux, published on 25 Apr 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PJSIP is a free and open source multimedia communication library written in C. A denial-of-service vulnerability affects applications on a 32-bit systems that use PJSIP versions 2.12 and prior to play/read invalid WAV files. The vulnerability occurs when reading WAV file data chunks with length greater than 31-bit integers. The vulnerability does not affect 64-bit apps and should not affect apps that only plays trusted WAV files. A patch is available on the `master` branch of the `pjsip/project` GitHub repository. As a workaround, apps can reject a WAV file received from an unknown source or validate the file first.
Weakness: CWE-835
Which versions are affected by CVE-2022-24792?
It affects 2 products.
Products include Debian Debian Linux, Teluu Pjsip.
How do I fix CVE-2022-24792?
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-2022-24792 being exploited?
There is no known exploitation of CVE-2022-24792 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2022-24792, DEBIAN-CVE-2022-24792, GHSA-rwgw-vwxg-q799, UBUNTU-CVE-2022-24792.