CVE-2017-17670 Use after free in n/a
A type conversion flaw in VLC's MP4 demuxer allows attackers to trigger an invalid free, potentially leading to code execution or crashes.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2017-17670?
CVE-2017-17670 is a high-severity use after free vulnerability in Debian Debian Linux, published on 15 Dec 2017. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
In VideoLAN VLC media player through 2.2.8, there is a type conversion vulnerability in modules/demux/mp4/libmp4.c in the MP4 demux module leading to a invalid free, because the type of a box may be changed between a read operation and a free operation.
Weakness: CWE-416
Which versions are affected by CVE-2017-17670?
It affects 2 products.
Products include Debian Debian Linux, Videolan Vlc Media Player.
How do I fix CVE-2017-17670?
Apply the vendor's patch.
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-2017-17670 being exploited?
There is no known exploitation of CVE-2017-17670 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as DEBIAN-CVE-2017-17670, DSA-4203-1, GHSA-6p8x-v4m8-8pvg, UBUNTU-CVE-2017-17670.