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Sicherheit: Preisgabe von Informationen in qspice-client
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Name: Preisgabe von Informationen in qspice-client
ID: RHSA-2010:0632-03
Distribution: Red Hat
Plattformen: Red Hat Enterprise Linux
Datum: Do, 26. August 2010, 10:41
Referenzen: http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-2792
Applikationen: qspice-client

Originalnachricht

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

Synopsis: Moderate: qspice-client security update
Advisory ID: RHSA-2010:0632-03
Product: Red Hat Enterprise Linux
Advisory URL: https://rhn.redhat.com/errata/RHSA-2010-0632.html
Issue date: 2010-08-25
CVE Names: CVE-2010-2792
=====================================================================

1. Summary:

An updated qspice-client 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 qspice-client package provides the client side of the SPICE protocol.

A race condition was found in the way the SPICE Mozilla Firefox plug-in and
the SPICE client communicated. A local attacker could use this flaw to
trick the plug-in and the SPICE client into communicating over an
attacker-controlled socket, possibly gaining access to authentication
details, or resulting in a man-in-the-middle attack on the SPICE
connection. (CVE-2010-2792)

Users of qspice-client should 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
http://kbase.redhat.com/faq/docs/DOC-11259

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

620350 - CVE-2010-2792 spice-xpi/qspice-client unix socket race

6. Package List:

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

Source:
qspice-client-0.3.0-4.el5_5.src.rpm

i386:
qspice-client-0.3.0-4.el5_5.i386.rpm
qspice-client-debuginfo-0.3.0-4.el5_5.i386.rpm

x86_64:
qspice-client-0.3.0-4.el5_5.x86_64.rpm
qspice-client-debuginfo-0.3.0-4.el5_5.x86_64.rpm

RHEL Optional Productivity Applications (v. 5 server):

Source:
qspice-client-0.3.0-4.el5_5.src.rpm

i386:
qspice-client-0.3.0-4.el5_5.i386.rpm
qspice-client-debuginfo-0.3.0-4.el5_5.i386.rpm

x86_64:
qspice-client-0.3.0-4.el5_5.x86_64.rpm
qspice-client-debuginfo-0.3.0-4.el5_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://www.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2010-2792.html
http://www.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2010 Red Hat, Inc.
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