CVE-2017-14632 Use after free in n/a
Remote code execution is possible in libvorbis due to freeing uninitialized memory when channel count is zero.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2017-14632?
CVE-2017-14632 is a critical use after free vulnerability in Canonical Ubuntu Linux, published on 21 Sep 2017. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Xiph.Org libvorbis 1.3.5 allows Remote Code Execution upon freeing uninitialized memory in the function vorbis_analysis_headerout() in info.c when vi->channels<=0, a similar issue to Mozilla bug 550184.
Weakness: CWE-119
Which versions are affected by CVE-2017-14632?
It affects 3 products.
Products include Canonical Ubuntu Linux, Debian Debian Linux, Xiph.org Libvorbis.
How do I fix CVE-2017-14632?
Upgrade to a fixed version.
Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.
Is CVE-2017-14632 being exploited?
There is no known exploitation of CVE-2017-14632 in the wild and no public exploit code.
Other vulnerabilities in Canonical Ubuntu Linux
Sources
Also known as ALPINE-CVE-2017-14632, DEBIAN-CVE-2017-14632, GHSA-pmfq-f4h4-9pwp, UBUNTU-CVE-2017-14632.