Arch Linux 2016: ASA-201605-12 Medium: Mencoder Denial of Service

Arch Linux Security Advisory ASA-201605-12
=========================================
Severity: Medium
Date    : 2016-05-07
CVE-ID  : CVE-2016-4352
Package : mencoder
Type    : denial of service
Remote  : Yes
Link    : https://wiki.archlinux.org/title/CVE

Summary
======
The package mencoder before version 37857-1 is vulnerable to denial of
service.

Resolution
=========
Upgrade to 37857-1.

# pacman -Syu "mencoder>=37857-1"

The problem has been fixed upstream in version 37857.

Workaround
=========
None.

Description
==========
A vulnerability has been discovered that is leading to a crash when
playing a fuzzed gif file. The gif demuxes assumed in many places that
width*height is <= INT_MAX, however this was not always true and was
leading to an integer overflow.

Impact
=====
A remote attacker is able to use a specially crafted gid file that, when
processed, is resulting in an application crash leading to denial of
service.

References
=========
https://www.cve.org/CVERecord?id=CVE-2016-4352
https://www.openwall.com/lists/oss-security/2016/04/29/7
https://bugs.archlinux.org/task/49195
https://trac.mplayerhq.hu/ticket/2295