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Sicherheit: Denial of Service in openstack-neutron
Aktuelle Meldungen Distributionen
Name: Denial of Service in openstack-neutron
ID: RHSA-2015:0044-01
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux OpenStack Platform
Datum: Mi, 14. Januar 2015, 07:28
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-7821

Originalnachricht

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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: openstack-neutron security update
Advisory ID: RHSA-2015:0044-01
Product: Red Hat Enterprise Linux OpenStack Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2015-0044.html
Issue date: 2015-01-13
CVE Names: CVE-2014-7821
=====================================================================

1. Summary:

Updated openstack-neutron packages that fix one security issue are now
available for Red Hat Enterprise Linux OpenStack Platform 4.0

Red Hat Product Security has rated this update as having Moderate security
impact. A Common Vulnerability Scoring System (CVSS) base score, which
gives a detailed severity rating, is available from the CVE link in the
References section.

2. Relevant releases/architectures:

Red Hat Enterprise Linux OpenStack Platform 4.0 - noarch

3. Description:

OpenStack Networking (neutron) is a pluggable, scalable, and API-driven
system that provisions networking services to virtual machines. Its main
function is to manage connectivity to and from virtual machines. As of Red
Hat Enterprise Linux OpenStack Platform 4.0, 'neutron' replaces
'quantum'
as the core component of OpenStack Networking.

A denial of service flaw was found in the way neutron handled the
'dns_nameservers' parameter. By providing specially crafted
'dns_nameservers' values, an authenticated user could use this flaw to
crash the neutron service. (CVE-2014-7821)

Red Hat would like to thank the OpenStack project for reporting this issue.
Upstream acknowledges Henry Yamauchi, Charles Neill, and Michael Xin
(Rackspace) as the original reporters.

All openstack-neutron users are advised to upgrade to these updated
packages, which contain backported patches to correct these issues.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to use the
Red Hat Network to apply this update are available at
https://access.redhat.com/articles/11258

5. Bugs fixed (https://bugzilla.redhat.com/):

1163457 - CVE-2014-7821 openstack-neutron: DoS via maliciously crafted
dns_nameservers

6. Package List:

Red Hat Enterprise Linux OpenStack Platform 4.0:

Source:
openstack-neutron-2013.2.4-6.el6ost.src.rpm

noarch:
openstack-neutron-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-bigswitch-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-brocade-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-cisco-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-hyperv-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-linuxbridge-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-mellanox-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-metaplugin-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-metering-agent-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-midonet-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-ml2-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-nec-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-nicira-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-openvswitch-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-plumgrid-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-ryu-2013.2.4-6.el6ost.noarch.rpm
openstack-neutron-vpn-agent-2013.2.4-6.el6ost.noarch.rpm
python-neutron-2013.2.4-6.el6ost.noarch.rpm

These packages are GPG signed by Red Hat for security. Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2014-7821
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2015 Red Hat, Inc.
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