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Gentoo Linux Security Advisory GLSA 201509-05
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https://security.gentoo.org/
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Severity: Normal
Title: NetworkManager: Denial of Service
Date: September 24, 2015
Bugs: #545980
ID: 201509-05
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Synopsis
========
Improper handling of Router Advertisements in NetworkManager could
cause a Denial of Service condition in IPv6 network stacks.
Background
==========
NetworkManager is an universal network configuration daemon for
laptops, desktops, servers and virtualization hosts.
Affected packages
=================
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Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/networkmanager < 1.0.2 >= 1.0.2
Description
===========
IPv6 Neighbour Discovery ICMP broadcast containing a non-route with a
low hop limit causes a Denial of Service by lowering the hop limit on
existing IPv6 routes in NetworkManager.
Impact
======
A remote attacker on the same network segment could cause a Denial of
Service condition in NetworkManager
Workaround
==========
There is no known workaround at this time.
Resolution
==========
All NetworkManager users should upgrade to the latest version:
# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/networkmanager-1.0.2"
References
==========
[ 1 ] CVE-2015-2924
http://nvd.nist.gov/nvd.cfm?cvename=CVE-2015-2924
Availability
============
This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:
https://security.gentoo.org/glsa/201509-05
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
secur...@gentoo.org or alternatively, you may file a bug at
https://bugs.gentoo.org.
License
=======
Copyright 2015 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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