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[gentoo-announce] [ GLSA 201701-07 ] Open vSwitch: Remote execution of arbitrary code

Posted on 01 January 2017
Gentoo-announce

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From: Thomas Deutschmann <whissi@gentoo.org>
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To: gentoo-announce@lists.gentoo.org
Message-ID: <c62a6903-bc10-9c41-852c-923fb18b7f7f@gentoo.org>
Subject: [ GLSA 201701-07 ] Open vSwitch: Remote execution of arbitrary code

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Gentoo Linux Security Advisory GLSA 201701-07
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https://security.gentoo.org/
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Severity: Normal
Title: Open vSwitch: Remote execution of arbitrary code
Date: January 01, 2017
Bugs: #577568
ID: 201701-07

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Synopsis
========
A buffer overflow in Open vSwitch might allow remote attackers to
execute arbitrary code.

Background
==========
Open vSwitch is a production quality multilayer virtual switch.

Affected packages
=================
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/openvswitch < 2.5.0 >= 2.5.0

Description
===========
A buffer overflow was discovered in lib/flow.c in ovs-vswitchd.

Impact
======
A remote attacker, using a specially crafted MPLS packet, could execute
arbitrary code.

Workaround
==========
There is no known workaround at this time.

Resolution
==========
All Open vSwitch users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/openvswitch-2.5.0"

References
==========
[ 1 ] CVE-2016-2074
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2016-2074

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

https://security.gentoo.org/glsa/201701-07

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 2017 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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