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Message-ID: <5488A1FF.10709@enovance.com>
Date: Wed, 10 Dec 2014 14:41:51 -0500
From: Tristan Cacqueray <tristan.cacqueray@...vance.com>
To: oss-security@...ts.openwall.com
Subject: [OSSA 2014-039.1] Neutron DoS through invalid DNS configuration (CVE-2014-7821)
ERRATA 1
OpenStack Security Advisory: 2014-039 (ERRATA 1)
CVE: CVE-2014-7821
Date: December 10, 2014
Title: Neutron DoS through invalid DNS configuration
Reporter: Henry Yamauchi, Charles Neill and Michael Xin (Rackspace)
Products: Neutron
Versions: up to 2014.1.3 and 2014.2
Description:
Henry Yamauchi, Charles Neill and Michael Xin from Rackspace reported
a vulnerability in Neutron. By configuring a maliciously crafted
dns_nameservers an authenticated user may crash Neutron service
resulting in a denial of service attack. All Neutron setups are affected.
Errata:
The former fix did not take into account the usage of hostnames as
nameserver and caused a regression for this use-case. This update
provides an additional fix for that issue.
Kilo (development branch) fixes:
https://review.openstack.org/135616 (original)
https://review.openstack.org/137560 (errata)
Juno fixes:
https://review.openstack.org/135623 (original)
https://review.openstack.org/139061 (errata)
Icehouse fixes:
https://review.openstack.org/135624 (original)
https://review.openstack.org/139063 (errata)
Notes:
These fixes are included in the 2014.2.1 release and will be included in
a future 2014.1.4 release.
References:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7821
https://launchpad.net/bugs/1378450
OSSA History:
2014-12-10 - Errata 1
2014-11-19 - Original Version
--
Tristan Cacqueray
OpenStack Vulnerability Management Team
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