Subject: [ASA-201702-5] gst-plugins-bad: multiple issues

Arch Linux Security Advisory ASA-201702-5
=========================================

Severity: Critical
Date    : 2017-02-03
CVE-ID  : CVE-2017-5843 CVE-2017-5848
Package : gst-plugins-bad
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-165

Summary
=======

The package gst-plugins-bad before version 1.10.3-1 is vulnerable to
multiple issues including arbitrary code execution and denial of
service.

Resolution
==========

Upgrade to 1.10.3-1.

# pacman -Syu "gst-plugins-bad>=1.10.3-1"

The problems have been fixed upstream in version 1.10.3.

Workaround
==========

None.

Description
===========

- CVE-2017-5843 (arbitrary code execution)

A double-free issue has been found in gstreamer before 1.10.3, in
gst_mxf_demux_update_essence_tracks.

- CVE-2017-5848 (denial of service)

An out-of-bounds read has been found in gstreamer before 1.10.3, in
gst_ps_demux_parse_psm.

Impact
======

A remote attacker can crash gstreamer or execute arbitrary code on the
affected host via a crafted file.

References
==========

http://seclists.org/oss-sec/2017/q1/284
https://bugzilla.gnome.org/show_bug.cgi?id=777503
https://bugzilla.gnome.org/show_bug.cgi?id=777957
https://security.archlinux.org/CVE-2017-5843
https://security.archlinux.org/CVE-2017-5848