Arch Linux Security Advisory ASA-201702-4
========================================
Severity: Critical
Date    : 2017-02-03
CVE-ID  : CVE-2017-5837 CVE-2017-5839 CVE-2017-5842 CVE-2017-5844
Package : gst-plugins-base-libs
Type    : multiple issues
Remote  : Yes
Link    : https://security.archlinux.org/AVG-164

Summary
======
The package gst-plugins-base-libs 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-base-libs>=1.10.3-1"

The problems have been fixed upstream in version 1.10.3.

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

Description
==========
- CVE-2017-5837 (denial of service)

A floating point exception issue has been found in gstreamer before
1.10.3, in gst_riff_create_audio_caps.

- CVE-2017-5839 (denial of service)

An endless recursion issue leading to stack overflow has been found in
gstreamer before 1.10.3, in gst_riff_create_audio_caps.

- CVE-2017-5842 (arbitrary code execution)

An off-by-one write has been found in gstreamer before 1.10.3, in
html_context_handle_element.

- CVE-2017-5844 (denial of service)

A floating point exception issue has been found in gstreamer before
1.10.3, in gst_riff_create_audio_caps.

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

References
=========
https://seclists.org/oss-sec/2017/q1/284
https://bugzilla.gnome.org/show_bug.cgi?id=777262
https://bugzilla.gnome.org/show_bug.cgi?id=777265
https://bugzilla.gnome.org/show_bug.cgi?id=777502
https://bugzilla.gnome.org/show_bug.cgi?id=777525
https://security.archlinux.org/CVE-2017-5837
https://security.archlinux.org/CVE-2017-5839
https://security.archlinux.org/CVE-2017-5842
https://security.archlinux.org/CVE-2017-5844