CVE-2017-6888 Memory corruption in FLAC

Medium 5.5 Published 25 Apr 2018 Updated 5 Aug 2024

A memory leak in the FLAC library allows attackers to cause denial of service via a specially crafted FLAC file.

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-2017-6888?

CVE-2017-6888 is a medium-severity memory corruption vulnerability in Debian Debian Linux, published on 25 Apr 2018. 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

An error in the "read_metadata_vorbiscomment_()" function (src/libFLAC/stream_decoder.c) in FLAC version 1.3.2 can be exploited to cause a memory leak via a specially crafted FLAC file.

Weakness: CWE-772

Which versions are affected by CVE-2017-6888?

It affects 3 products.

Linux distribution packages (3)

`flac` SUSE:Linux Enterprise Module for Basesystem 15	All versions	`1.3.2-3.3.20`
`flac` openSUSE:Leap 15.0	All versions	`1.3.2-lp150.2.3.1`
`flac` openSUSE:Tumbleweed	All versions	`1.3.3-1.9`

Products include Debian Debian Linux, Fedoraproject Fedora, Flac Project Flac.

How do I fix CVE-2017-6888?

Upgrade to a fixed version.

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

Is CVE-2017-6888 being exploited?

There is no known exploitation of CVE-2017-6888 in the wild and no public exploit code.

All Debian Debian Linux vulnerabilities

Sources

Also known as ALPINE-CVE-2017-6888, DEBIAN-CVE-2017-6888, GHSA-fmrx-65vg-qvjw, MGASA-2018-0227, SUSE-SU-2019:0920-1, UBUNTU-CVE-2017-6888 and 2 more.