Gentoo: GLSA-202310-07 Normal: NetworkManager Service Interruption
gentoo
September 24, 2015
Improper handling of Router Advertisements in NetworkManager could cause a Denial of Service condition in IPv6 network stacks.
Summary
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.
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
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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.
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Severity: Normal
Title: NetworkManager: Denial of Service
Date: September 24, 2015
Bugs: #545980
ID: 201509-05
Background
NetworkManager is an universal network configuration daemon for
laptops, desktops, servers and virtualization hosts.
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Affected Packages
-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 net-misc/networkmanager < 1.0.2 >= 1.0.2
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.
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