CVE-2019-13351 Race condition in n/a
A race condition in JACK2 allows attackers to cause crashes, information disclosure, or file corruption via double file descriptor closure.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2019-13351?
CVE-2019-13351 is a high-severity vulnerability in n/a, published on 5 Jul 2019. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
posix/JackSocket.cpp in libjack in JACK2 1.9.1 through 1.9.12 (as distributed with alsa-plugins 1.1.7 and later) has a "double file descriptor close" issue during a failed connection attempt when jackd2 is not running. Exploitation success depends on multithreaded timing of that double close, which can result in unintended information disclosure, crashes, or file corruption due to having the wrong file associated with the file descriptor.
Which versions are affected by CVE-2019-13351?
It affects 2 products.
Products include Alsa-Project Alsa, Jackaudio Jack2.
How do I fix CVE-2019-13351?
Apply the vendor's patch.
Is CVE-2019-13351 being exploited?
There is no known exploitation of CVE-2019-13351 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2019-13351, GHSA-cjwm-ffg5-vxwh, MGASA-2020-0476, UBUNTU-CVE-2019-13351, USN-5656-1.