CVE-2017-9256 Denial of service in n/a

Medium 5.5 Published 27 Jun 2017 Updated 5 Aug 2024

Remote attackers can cause denial of service via CPU exhaustion by tricking users into opening a crafted MP4 file with FAAD2.

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-2017-9256?

CVE-2017-9256 is a medium-severity denial of service vulnerability in n/a, published on 27 Jun 2017. 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

The mp4ff_read_stco function in common/mp4ff/mp4atom.c in Freeware Advanced Audio Decoder 2 (FAAD2) 2.7 allows remote attackers to cause a denial of service (large loop and CPU consumption) via a crafted mp4 file.

Weakness: CWE-834

Which versions are affected by CVE-2017-9256?

It affects 1 product.

Products include Audiocoding Freeware Advanced Audio Decoder 2.

How do I fix CVE-2017-9256?

Apply the vendor's patch.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2017-9256 being exploited?

There is no known exploitation of CVE-2017-9256 in the wild and no public exploit code.

Sources

Also known as DEBIAN-CVE-2017-9256, GHSA-33hj-r9x4-46jq, UBUNTU-CVE-2017-9256.