4.3 - GLSA-201705-05

Synopsis

Multiple vulnerabilities have been found in FFmpeg, the worst of which allows remote attackers to execute arbitrary code.

Background

FFmpeg is a complete, cross-platform solution to record, convert and stream audio and video.

Description

Multiple vulnerabilities have been discovered in FFmpeg. Please review the CVE identifiers referenced below for details.

gst-plugins-libav is affected because this package is bundling a vulnerable FFmpeg version.

Impact

A remote attacker could entice a user or automated system using FFmpeg to process a specially crafted file, resulting in the execution of arbitrary code or a Denial of Service.

Workaround

There is no known workaround at this time.

Resolution

All FFmpeg users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=media-video/ffmpeg-3.2.4"

All gst-plugins-libav users should upgrade to the latest version:
# emerge --sync
# emerge -a --oneshot -v ">=media-plugins/gst-plugins-libav-1.10.4"

References

[ 1 ] CVE-2017-5024 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5024
[ 2 ] CVE-2017-5025 : http://nvd.nist.gov/nvd.cfm?cvename=CVE-2017-5025

Availability

This GLSA and any updates to it are available for viewing at the Gentoo Security Website:

https://security.gentoo.org/glsa/201705-05