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Gentoo Linux Security Advisory GLSA 201612-29
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https://security.gentoo.org/
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Severity: Normal
Title: libmms: Remote execution of arbitrary code
Date: December 11, 2016
Bugs: #507822
ID: 201612-29

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Synopsis
========

A heap-based buffer overflow vulnerability in libmms might allow remote
attackers to execute arbitrary code.

Background
==========

libmms is a library for downloading (streaming) media files using the
mmst and mmsh protocols.

Affected packages
=================

——————————————————————-
Package / Vulnerable / Unaffected
——————————————————————-
1 media-libs/libmms < 0.6.4 >= 0.6.4

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

A heap-based buffer overflow was discovered in the get_answer function
within mmsh.c of libmms.

Impact
======

A remote attacker might send a specially crafted MMS over HTTP (MMSH)
response, possibly resulting in the remote execution of arbitrary code
with the privileges of the process.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All libmms users should upgrade to the latest version:

# emerge –sync
# emerge –ask –oneshot –verbose “>=media-libs/libmms-0.6.4”

References
==========

[ 1 ] CVE-2014-2892
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2014-2892

Availability
============

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

https://security.gentoo.org/glsa/201612-29

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users’ machines is of utmost
importance to us. Any security concerns should be addressed to
security@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.

License
=======

Copyright 2016 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons – Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5

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