An updated spice-server package that fixes one security issue is now available for Red Hat Enterprise Linux 6. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS)

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

Synopsis:          Important: spice-server security update
Advisory ID:       RHSA-2013:1473-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2013:1473.html
Issue date:        2013-10-29
CVE Names:         CVE-2013-4282 
====================================================================
1. Summary:

An updated spice-server package that fixes one security issue is now
available for Red Hat Enterprise Linux 6.

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:

Red Hat Enterprise Linux Desktop (v. 6) - x86_64
Red Hat Enterprise Linux Desktop Optional (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node (v. 6) - x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - x86_64
Red Hat Enterprise Linux Server Optional (v. 6) - x86_64
Red Hat Enterprise Linux Workstation (v. 6) - x86_64
Red Hat Enterprise Linux Workstation Optional (v. 6) - x86_64

3. Description:

The Simple Protocol for Independent Computing Environments (SPICE) is a
remote display protocol for virtual environments. SPICE users can access a
virtualized desktop or server from the local system or any system with
network access to the server. SPICE is used in Red Hat Enterprise Linux for
viewing virtualized guests running on the Kernel-based Virtual Machine
(KVM) hypervisor or on Red Hat Enterprise Virtualization Hypervisors.

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 user able to
initiate a SPICE connection to an application acting as a SPICE server
could use this flaw to crash the application. (CVE-2013-4282)

This issue was discovered by Tomas Jamrisko of Red Hat.

All spice-server users are advised to upgrade to this updated package,
which contains a backported patch to correct this issue.

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

1000443 - CVE-2013-4282 spice: stack buffer overflow in reds_handle_ticket() function

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:

x86_64:
spice-server-0.12.0-12.el6_4.5.x86_64.rpm
spice-server-debuginfo-0.12.0-12.el6_4.5.x86_64.rpm

Red Hat Enterprise Linux Desktop Optional (v. 6):

Source:

x86_64:
spice-server-debuginfo-0.12.0-12.el6_4.5.x86_64.rpm
spice-server-devel-0.12.0-12.el6_4.5.x86_64.rpm

Red Hat Enterprise Linux HPC Node (v. 6):

Source:

x86_64:
spice-server-0.12.0-12.el6_4.5.x86_64.rpm
spice-server-debuginfo-0.12.0-12.el6_4.5.x86_64.rpm

Red Hat Enterprise Linux HPC Node Optional (v. 6):

Source:

x86_64:
spice-server-debuginfo-0.12.0-12.el6_4.5.x86_64.rpm
spice-server-devel-0.12.0-12.el6_4.5.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:

x86_64:
spice-server-0.12.0-12.el6_4.5.x86_64.rpm
spice-server-debuginfo-0.12.0-12.el6_4.5.x86_64.rpm

Red Hat Enterprise Linux Server Optional (v. 6):

Source:

x86_64:
spice-server-debuginfo-0.12.0-12.el6_4.5.x86_64.rpm
spice-server-devel-0.12.0-12.el6_4.5.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:

x86_64:
spice-server-0.12.0-12.el6_4.5.x86_64.rpm
spice-server-debuginfo-0.12.0-12.el6_4.5.x86_64.rpm

Red Hat Enterprise Linux Workstation Optional (v. 6):

Source:

x86_64:
spice-server-debuginfo-0.12.0-12.el6_4.5.x86_64.rpm
spice-server-devel-0.12.0-12.el6_4.5.x86_64.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-2013-4282
https://access.redhat.com/security/updates/classification#important

8. Contact:

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

Copyright 2013 Red Hat, Inc.
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