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Red Hat Product Errata RHSA-2013:1460 - Security Advisory
Issued:
2013-10-29
Updated:
2013-10-29

RHSA-2013:1460 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: rhev-hypervisor6 security and bug fix update

Type/Severity

Security Advisory: Important

Topic

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.

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.

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

Affected Products

  • Red Hat Virtualization 6 x86_64

Fixes

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

CVEs

  • CVE-2013-4282

References

  • 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
  • Note: More recent versions of these packages may be available. Click a package name for more details.

    Red Hat Virtualization 6

    SRPM
    rhev-hypervisor6-6.4-20131016.0.el6_4.src.rpm SHA-256: b5647e3d2b8bb4cee93fd6f0470a326e60f49da500a183de9021d0e2719ff190
    x86_64
    rhev-hypervisor6-6.4-20131016.0.el6_4.noarch.rpm SHA-256: 21688c0675dfe661dea72eb184702dfb9bff297337f71a1b8f8ba7c4eacd134e

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

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