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             AUSCERT External Security Bulletin Redistribution

                               ESB-2011.0393
                    Moderate: spice-xpi security update
                               8 April 2011

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           spice-xpi
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 6
                   Red Hat Enterprise Linux WS/Desktop 6
                   Red Hat Enterprise Linux Server 5
                   Red Hat Enterprise Linux WS/Desktop 5
                   Linux variants
Impact/Access:     Execute Arbitrary Code/Commands -- Remote with User Interaction
                   Overwrite Arbitrary Files       -- Remote with User Interaction
                   Denial of Service               -- Remote with User Interaction
Resolution:        Patch/Upgrade
CVE Names:         CVE-2011-1179 CVE-2011-0012 

Original Bulletin: 
   https://rhn.redhat.com/errata/RHSA-2011-0426.html
   https://rhn.redhat.com/errata/RHSA-2011-0427.html

Comment: This bulletin contains two (2) Red Hat security advisories.
         
         This advisory references vulnerabilities in products which run on 
         platforms other than Red Hat. It is recommended that administrators
         running spice-xpi check for an updated version of the software for 
         their operating system.

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

Synopsis:          Moderate: spice-xpi security update
Advisory ID:       RHSA-2011:0426-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0426.html
Issue date:        2011-04-07
CVE Names:         CVE-2011-0012 CVE-2011-1179 
=====================================================================

1. Summary:

An updated spice-xpi package that fixes two security issues is now
available for Red Hat Enterprise Linux 6.

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:

Red Hat Enterprise Linux Desktop (v. 6) - i386, x86_64
Red Hat Enterprise Linux HPC Node Optional (v. 6) - x86_64
Red Hat Enterprise Linux Server (v. 6) - i386, x86_64
Red Hat Enterprise Linux Workstation (v. 6) - i386, x86_64

3. Description:

The Simple Protocol for Independent Computing Environments (SPICE) is a
remote display protocol 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 Hypervisor.

The spice-xpi package provides a plug-in that allows the SPICE client to
run from within Mozilla Firefox.

An uninitialized pointer use flaw was found in the SPICE Firefox plug-in.
If a user were tricked into visiting a malicious web page with Firefox
while the SPICE plug-in was enabled, it could cause Firefox to crash or,
possibly, execute arbitrary code with the privileges of the user running
Firefox. (CVE-2011-1179)

It was found that the SPICE Firefox plug-in used a predictable name for one
of its log files. A local attacker could use this flaw to conduct a
symbolic link attack, allowing them to overwrite arbitrary files accessible
to the user running Firefox. (CVE-2011-0012)

Users of spice-xpi should upgrade to this updated package, which contains
backported patches to correct these issues. After installing the update,
Firefox must be restarted for the changes to take effect.

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/kb/docs/DOC-11259

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

639869 - CVE-2011-0012 spice-xpi: symlink attack on usbrdrctl log file
689931 - CVE-2011-1179 spice-xpi: unitialized pointer writes possible when getting plugin properties

6. Package List:

Red Hat Enterprise Linux Desktop (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Client/en/os/SRPMS/spice-xpi-2.4-1.el6_0.2.src.rpm

i386:
spice-xpi-2.4-1.el6_0.2.i686.rpm
spice-xpi-debuginfo-2.4-1.el6_0.2.i686.rpm

x86_64:
spice-xpi-2.4-1.el6_0.2.x86_64.rpm
spice-xpi-debuginfo-2.4-1.el6_0.2.x86_64.rpm

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

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6ComputeNode/en/os/SRPMS/spice-xpi-2.4-1.el6_0.2.src.rpm

x86_64:
spice-xpi-2.4-1.el6_0.2.x86_64.rpm
spice-xpi-debuginfo-2.4-1.el6_0.2.x86_64.rpm

Red Hat Enterprise Linux Server (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/os/SRPMS/spice-xpi-2.4-1.el6_0.2.src.rpm

i386:
spice-xpi-2.4-1.el6_0.2.i686.rpm
spice-xpi-debuginfo-2.4-1.el6_0.2.i686.rpm

x86_64:
spice-xpi-2.4-1.el6_0.2.x86_64.rpm
spice-xpi-debuginfo-2.4-1.el6_0.2.x86_64.rpm

Red Hat Enterprise Linux Workstation (v. 6):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Workstation/en/os/SRPMS/spice-xpi-2.4-1.el6_0.2.src.rpm

i386:
spice-xpi-2.4-1.el6_0.2.i686.rpm
spice-xpi-debuginfo-2.4-1.el6_0.2.i686.rpm

x86_64:
spice-xpi-2.4-1.el6_0.2.x86_64.rpm
spice-xpi-debuginfo-2.4-1.el6_0.2.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://www.redhat.com/security/data/cve/CVE-2011-0012.html
https://www.redhat.com/security/data/cve/CVE-2011-1179.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2011 Red Hat, Inc.
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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Moderate: spice-xpi security update
Advisory ID:       RHSA-2011:0427-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0427.html
Issue date:        2011-04-07
CVE Names:         CVE-2011-1179 
=====================================================================

1. Summary:

An updated spice-xpi package that fixes one security issue is now available
for Red Hat Enterprise Linux 5.

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

RHEL Optional Productivity Applications (v. 5 server) - i386, x86_64
Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

3. Description:

The Simple Protocol for Independent Computing Environments (SPICE) is a
remote display protocol 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 Hypervisor.

The spice-xpi package provides a plug-in that allows the SPICE client to
run from within Mozilla Firefox.

An uninitialized pointer use flaw was found in the SPICE Firefox plug-in.
If a user were tricked into visiting a malicious web page with Firefox
while the SPICE plug-in was enabled, it could cause Firefox to crash or,
possibly, execute arbitrary code with the privileges of the user running
Firefox. (CVE-2011-1179)

Users of spice-xpi should upgrade to this updated package, which contains a
backported patch to correct this issue. After installing the update,
Firefox must be restarted for the changes to take effect.

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/kb/docs/DOC-11259

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

689931 - CVE-2011-1179 spice-xpi: unitialized pointer writes possible when getting plugin properties

6. Package List:

Red Hat Enterprise Linux Desktop (v. 5 client):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/spice-xpi-2.2-2.3.el5_6.1.src.rpm

i386:
spice-xpi-2.2-2.3.el5_6.1.i386.rpm
spice-xpi-debuginfo-2.2-2.3.el5_6.1.i386.rpm

x86_64:
spice-xpi-2.2-2.3.el5_6.1.x86_64.rpm
spice-xpi-debuginfo-2.2-2.3.el5_6.1.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/spice-xpi-2.2-2.3.el5_6.1.src.rpm

i386:
spice-xpi-2.2-2.3.el5_6.1.i386.rpm
spice-xpi-debuginfo-2.2-2.3.el5_6.1.i386.rpm

x86_64:
spice-xpi-2.2-2.3.el5_6.1.x86_64.rpm
spice-xpi-debuginfo-2.2-2.3.el5_6.1.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://www.redhat.com/security/data/cve/CVE-2011-1179.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2011 Red Hat, Inc.
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