CVE-2019-3832 Memory corruption in libsndfile
A local attacker can cause a denial of service via a buffer over-read in the libsndfile library's WAV header writing function.
- 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-2019-3832?
CVE-2019-3832 is a low-severity memory corruption vulnerability in Canonical Ubuntu Linux, published on 20 Mar 2019. 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
It was discovered the fix for CVE-2018-19758 (libsndfile) was not complete and still allows a read beyond the limits of a buffer in wav_write_header() function in wav.c. A local attacker may use this flaw to make the application crash.
Weakness: CWE-125
Which versions are affected by CVE-2019-3832?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Libsndfile Project Libsndfile.
How do I fix CVE-2019-3832?
Apply the vendor's patch.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2019-3832 being exploited?
There is no known exploitation of CVE-2019-3832 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2019-3832, DEBIAN-CVE-2019-3832, DLA-1712-1, GHSA-cj6v-7q57-mrf3, MGASA-2019-0300, UBUNTU-CVE-2019-3832.