[RHSA-2008:0218-01] Moderate: gnome-screensaver security update

[news 28]

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Red Hat Security Advisory

 

Synopsis: Moderate: gnome-screensaver security update

Advisory ID: RHSA-2008:0218-01

Product: Red Hat Enterprise Linux

Advisory URL: https://rhn.redhat.com/errata/RHSA-2008-0218.html

Issue date: 2008-04-03

CVE Names: CVE-2008-0887

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1. Summary:

 

An updated gnome-screensaver package that fixes a security flaw is now

available for Red Hat Enterprise Linux FasTrack 5.

 

This update has been rated as having moderate security impact by the Red

Hat Security Response Team.

 

2. Relevant releases/architectures:

 

Red Hat Enterprise Linux Desktop (v. 5 client) - i386, x86_64

Red Hat Enterprise Linux (v. 5 server) - i386, ia64, ppc, s390x, x86_64

 

3. Description:

 

gnome-screensaver is the GNOME project's official screen saver program.

 

A flaw was found in the way gnome-screensaver verified user passwords. When

a system used a remote directory service for login credentials, a local

attacker able to cause a network outage could cause gnome-screensaver to

crash, unlocking the screen. (CVE-2008-0887)

 

Users of gnome-screensaver should upgrade to this updated package, which

contains a backported patch to correct this issue.

 

4. Solution:

 

Before applying this update, make sure that all previously-released

errata relevant to your system have been applied.

 

This update is available via Red Hat Network. Details on how to use

the Red Hat Network to apply this update are available at

http://kbase.redhat.com/faq/FAQ_58_10188

 

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

 

435773 - CVE-2008-0887 gnome-screensaver using NIS auth will unlock if NIS goes away

 

6. Package List:

 

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

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Client/en/os/SRPMS/gnome-screensaver-2.16.1-8.el5.src.rpm

 

i386:

gnome-screensaver-2.16.1-8.el5.i386.rpm

gnome-screensaver-debuginfo-2.16.1-8.el5.i386.rpm

 

x86_64:

gnome-screensaver-2.16.1-8.el5.x86_64.rpm

gnome-screensaver-debuginfo-2.16.1-8.el5.x86_64.rpm

 

Red Hat Enterprise Linux (v. 5 server):

 

Source:

ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/os/SRPMS/gnome-screensaver-2.16.1-8.el5.src.rpm

 

i386:

gnome-screensaver-2.16.1-8.el5.i386.rpm

gnome-screensaver-debuginfo-2.16.1-8.el5.i386.rpm

 

ia64:

gnome-screensaver-2.16.1-8.el5.ia64.rpm

gnome-screensaver-debuginfo-2.16.1-8.el5.ia64.rpm

 

ppc:

gnome-screensaver-2.16.1-8.el5.ppc.rpm

gnome-screensaver-debuginfo-2.16.1-8.el5.ppc.rpm

 

s390x:

gnome-screensaver-2.16.1-8.el5.s390x.rpm

gnome-screensaver-debuginfo-2.16.1-8.el5.s390x.rpm

 

x86_64:

gnome-screensaver-2.16.1-8.el5.x86_64.rpm

gnome-screensaver-debuginfo-2.16.1-8.el5.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:

 

http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2008-0887

http://www.redhat.com/security/updates/classification/#moderate

 

8. Contact:

 

The Red Hat security contact is . More contact

details at https://www.redhat.com/security/team/contact/

 

Copyright 2008 Red Hat, Inc.

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