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Message-ID: <53A17A59.4020907@enovance.com>
Date: Wed, 18 Jun 2014 07:39:05 -0400
From: Tristan Cacqueray <tristan.cacqueray@...vance.com>
To: oss-security@...ts.openwall.com
Subject: [OSSA 2014-019] Neutron L3-agent DoS through IPv6 subnet (CVE-2014-4167)
OpenStack Security Advisory: 2014-019
CVE: CVE-2014-4167
Date: June 18, 2014
Title: Neutron L3-agent DoS through IPv6 subnet
Reporter: Thiago Martins (HP)
Products: Neutron
Versions: up to 2013.2.3, and 2014.1
Description:
Thiago Martins from Hewlett Packard reported a vulnerability in Neutron
L3-agent. By creating an IPv6 private subnet attached to a L3 router, an
authenticated user may break the L3-agent, preventing further floating
IPv4 addresses from being attached for the entire cloud. Note: removal
of the faulty network can not be done using the API and must be cleaned
at the database level. Only Neutron setups using IPv6 and L3-agent are
affected.
Juno (development branch) fix:
https://review.openstack.org/88584
Icehouse fix:
https://review.openstack.org/95938
Havana fix:
https://review.openstack.org/95939
Notes:
This fix will be included in the Juno-2 development milestone and in
future 2013.2.4 and 2014.1.2 releases.
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-4167
https://launchpad.net/bugs/1309195
--
Tristan Cacqueray
OpenStack Vulnerability Management Team
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