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Red Hat Security Advisory 2014-0041-01

Red Hat Security Advisory 2014-0041-01
Posted Jan 22, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0041-01 - 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 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 Red Hat Enterprise Virtualization Hypervisor 6.4 to version 6.5 through the 3.3 Manager administration portal, configuration of the previous system appears to be lost when reported in the TUI. However, this is an issue in the TUI itself, not in the upgrade process; the configuration of the system is not affected.

tags | advisory, kernel
systems | linux, redhat
advisories | CVE-2013-4353, CVE-2013-5605, CVE-2013-5606, CVE-2013-6449
SHA-256 | b4c76518fefda3f3206630aed636919cd1cea85e9a2b797b898a47ee35f3368f

Red Hat Security Advisory 2014-0041-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Important: rhev-hypervisor6 security update
Advisory ID: RHSA-2014:0041-01
Product: Red Hat Enterprise Virtualization
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0041.html
Issue date: 2014-01-21
CVE Names: CVE-2013-4353 CVE-2013-5605 CVE-2013-5606
CVE-2013-6449
=====================================================================

1. Summary:

An updated rhev-hypervisor6 package that fixes multiple security issues is
now available.

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

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 Red Hat Enterprise Virtualization Hypervisor
6.4 to version 6.5 through the 3.3 Manager administration portal,
configuration of the previous system appears to be lost when reported in
the TUI. However, this is an issue in the TUI itself, not in the upgrade
process; the configuration of the system is not affected.

A flaw was found in the way NSS handled invalid handshake packets. A remote
attacker could use this flaw to cause a TLS/SSL client using NSS to crash
or, possibly, execute arbitrary code with the privileges of the user
running the application. (CVE-2013-5605)

A flaw was found in the way OpenSSL determined which hashing algorithm to
use when TLS protocol version 1.2 was enabled. This could possibly cause
OpenSSL to use an incorrect hashing algorithm, leading to a crash of an
application using the library. (CVE-2013-6449)

A NULL pointer dereference flaw was found in the way OpenSSL handled
TLS/SSL protocol handshake packets. A specially crafted handshake packet
could cause a TLS/SSL client using OpenSSL to crash. (CVE-2013-4353)

It was discovered that NSS did not reject certificates with incompatible
key usage constraints when validating them while the verifyLog feature was
enabled. An application using the NSS certificate validation API could
accept an invalid certificate. (CVE-2013-5606)

Red Hat would like to thank the Mozilla project for reporting
CVE-2013-5606. Upstream acknowledges Camilo Viecco as the original reporter
of CVE-2013-5606.

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-2013-6462 (libXfont issue)

CVE-2013-6629, and CVE-2013-6630 (libjpeg-turbo issues)

CVE-2013-1739, CVE-2013-1741, and CVE-2013-5607 (nss, nspr issues)

CVE-2013-6450 (openssl issue)

CVE-2013-6425 (pixman issue)

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 (https://bugzilla.redhat.com/):

1005766 - [rhev-hypervisor6] Build rhev-hypervisor6 for 3.3 release
1030807 - CVE-2013-5605 nss: Null_Cipher() does not respect maxOutputLen (MFSA 2013-103)
1031457 - CVE-2013-5606 nss: CERT_VerifyCert returns SECSuccess (saying certificate is good) even for bad certificates (MFSA 2013-103)
1045363 - CVE-2013-6449 openssl: crash when using TLS 1.2 caused by use of incorrect hash algorithm
1049058 - CVE-2013-4353 openssl: client NULL dereference crash on malformed handshake packets

6. Package List:

RHEV Hypervisor for RHEL-6:

noarch:
rhev-hypervisor6-6.5-20140112.0.el6ev.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-2013-4353.html
https://www.redhat.com/security/data/cve/CVE-2013-5605.html
https://www.redhat.com/security/data/cve/CVE-2013-5606.html
https://www.redhat.com/security/data/cve/CVE-2013-6449.html
https://access.redhat.com/security/updates/classification/#important
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

8. Contact:

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

Copyright 2014 Red Hat, Inc.
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