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

Synopsis:          Important: rhev-hypervisor6 security and bug fix update
Advisory ID:       RHSA-2013:1460-01
Product:           Red Hat Enterprise Virtualization
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-1460.html
Issue date:        2013-10-29
CVE Names:         CVE-2013-4282 
=====================================================================

1. Summary:

An updated rhev-hypervisor6 package that fixes one security issue and
various bugs is now available.

The Red Hat Security Response Team has rated this update as having
important 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:

RHEV Hypervisor for RHEL-6 - noarch

3. Description:

The rhev-hypervisor6 package provides a Red Hat Enterprise Virtualization
Hypervisor ISO disk image. The Red Hat Enterprise Virtualization Hypervisor
is a dedicated Kernel-based Virtual Machine (KVM) hypervisor. It includes
everything necessary to run and manage virtual machines: A subset of the
Red Hat Enterprise Linux operating environment and the Red Hat Enterprise
Virtualization Agent.

Note: Red Hat Enterprise Virtualization Hypervisor is only available for
the Intel 64 and AMD64 architectures with virtualization extensions.

Upgrade Note: If you upgrade the Red Hat Enterprise Virtualization
Hypervisor through the 3.2 Manager administration portal, the Host may
appear with the status of "Install Failed". If this happens, place the host
into maintenance mode, then activate it again to get the host back to an
"Up" state

A stack-based buffer overflow flaw was found in the way the
reds_handle_ticket() function in the spice-server library handled
decryption of ticket data provided by the client. A remote attacker able to
initiate a SPICE connection to the guest could use this flaw to crash the
guest. (CVE-2013-4282)

This issue was discovered by Tomas Jamrisko of Red Hat.

This updated package provides updated components that include fixes for 
various security issues. These issues have no security impact on Red Hat 
Enterprise Virtualization Hypervisor itself, however. The security fixes 
included in this update address the following CVE numbers: 

CVE-2013-4162 and CVE-2013-4299 (kernel issues)

CVE-2013-4296 and CVE-2013-4311 (libvirt issues)

CVE-2013-4288 (polkit issue)

This update also contains the fixes from the following advisories:

* vdsm: https://rhn.redhat.com/errata/RHBA-2013-1462.html
* ovirt-node: https://rhn.redhat.com/errata/RHBA-2013-1461.html

Users of the Red Hat Enterprise Virtualization Hypervisor are advised to
upgrade to this updated package, which corrects these issues.

4. Solution:

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

To upgrade Hypervisors in Red Hat Enterprise Virtualization environments
using the disk image provided by this package, refer to:

https://access.redhat.com/site/documentation/en-US/Red_Hat_Enterprise_Linux/6/html/Hypervisor_Deployment_Guide/chap-Deployment_Guide-Upgrading_Red_Hat_Enterprise_Virtualization_Hypervisors.html

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

1000443 - CVE-2013-4282 spice: stack buffer overflow in reds_handle_ticket() function
1007546 - rhev-hypervisor 6.4 Update 6 release

6. Package List:

RHEV Hypervisor for RHEL-6:

noarch:
rhev-hypervisor6-6.4-20131016.0.el6_4.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://www.redhat.com/security/data/cve/CVE-2013-4282.html
https://access.redhat.com/security/updates/classification/#important
https://rhn.redhat.com/errata/RHBA-2013-1462.html
https://rhn.redhat.com/errata/RHBA-2013-1461.html

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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