CVE-2018-5684 Memory corruption in n/a

High 8.8 Published 14 Jan 2018 Updated 5 Aug 2024

Remote attackers can cause a denial of service via segmentation fault by providing a crafted AVI file to the Libav multimedia library.

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: None listed

What is CVE-2018-5684?

CVE-2018-5684 is a high-severity memory corruption vulnerability in Libav Libav, published on 14 Jan 2018. 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 Libav through 12.2, there is an invalid memcpy call in the ff_mov_read_stsd_entries function of libavformat/mov.c. Remote attackers could leverage this vulnerability to cause a denial of service (segmentation fault) and program failure with a crafted avi file.

Weakness: CWE-119

Which versions are affected by CVE-2018-5684?

It affects 1 product.

Products include Libav Libav.

How do I fix CVE-2018-5684?

No fix has been published for CVE-2018-5684 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2018-5684 being exploited?

There is no known exploitation of CVE-2018-5684 in the wild and no public exploit code.

All Libav Libav vulnerabilities

Sources

Also known as GHSA-w5vc-vc55-m263, UBUNTU-CVE-2018-5684.