Updated openstack-nova packages that fix three security issues and one bug are now available for Red Hat Enterprise Linux OpenStack Platform 3.0. The Red Hat Security Response Team has rated this update as having Moderate security impact. Common Vulnerability Scoring System (CVSS) base scores,

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

Synopsis:          Moderate: openstack-nova security and bug fix update
Advisory ID:       RHSA-2014:0366-01
Product:           Red Hat OpenStack
Advisory URL:      https://access.redhat.com/errata/RHSA-2014:0366.html
Issue date:        2014-04-03
CVE Names:         CVE-2013-4497 CVE-2013-7048 CVE-2013-7130 
====================================================================
1. Summary:

Updated openstack-nova packages that fix three security issues and one bug
are now available for Red Hat Enterprise Linux OpenStack Platform 3.0.

The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

2. Relevant releases/architectures:

OpenStack 3 - noarch

3. Description:

OpenStack Compute (nova) launches and schedules large networks of virtual
machines, creating a redundant and scalable cloud computing platform.
Compute provides the software, control panels, and APIs required to
orchestrate a cloud, including running virtual machine instances, managing
networks, and controlling access through users and projects.

A flaw was found in the way the libvirt driver handled short-lived disk
back-up files on Compute nodes. An authenticated attacker could use this
flaw to create a large number of such files, exhausting all available space
on Compute node disks, and potentially causing a denial of service.
Note that only Compute setups using the libvirt driver were affected.
(CVE-2013-7048)

It was discovered that the libvirt driver did not properly handle live
migration of virtual machines. An authenticated attacker could use this
flaw to gain access to a snapshot of a migrated virtual machine. Note that
only setups using KVM live block migration were affected. (CVE-2013-7130)

It was found that OpenStack Compute did not properly reapply existing
security groups after migrating or resizing a virtual machine. This could
cause virtual machine instances to be unintentionally exposed on the
network. Note that only setups using the XenAPI back end were affected.
(CVE-2013-4497)

Red Hat would like to thank the OpenStack Project for reporting
CVE-2013-7130. Upstream acknowledges Loganathan Parthipan as the original
reporter of CVE-2013-7130.

This update also fixes the following bug:

* Prior to this update, the cache mechanism did not consider existing
network interfaces when building the nework list. After any change in the
network interfaces, only the interface modified last was shown when listing
or getting the details of an instance. With this update, the cache
mechanism considers all existing instances when it is being refreshed.
(BZ#1038239)

All openstack-nova users are advised to upgrade to these updated packages,
which 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/site/articles/11258

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

1026171 - CVE-2013-4497 openstack-nova: XenAPI security groups not kept through migrate or resize
1038239 - nova interface-attach causes existing networks to be shown as replaced by new one when "nova show" is run
1040786 - CVE-2013-7048 Openstack Nova: insecure directory permissions in snapshots
1055400 - CVE-2013-7130 OpenStack nova: Live migration can leak root disk into ephemeral storage

6. Package List:

OpenStack 3:

Source:

noarch:
openstack-nova-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-api-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-cells-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-cert-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-common-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-compute-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-conductor-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-console-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-doc-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-network-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-objectstore-2013.1.5-2.el6ost.noarch.rpm
openstack-nova-scheduler-2013.1.5-2.el6ost.noarch.rpm
python-nova-2013.1.5-2.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#package

7. References:

https://access.redhat.com/security/cve/CVE-2013-4497
https://access.redhat.com/security/cve/CVE-2013-7048
https://access.redhat.com/security/cve/CVE-2013-7130
https://access.redhat.com/security/updates/classification#moderate

8. Contact:

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

Copyright 2014 Red Hat, Inc.
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