BugTraq
[ GLSA 200606-14 ] GDM: Privilege escalation Jun 12 2006 08:05PM
Sune Kloppenborg Jeppesen (jaervosz gentoo org)
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Gentoo Linux Security Advisory GLSA 200606-14
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http://security.gentoo.org/
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Severity: High
Title: GDM: Privilege escalation
Date: June 12, 2006
Bugs: #135027
ID: 200606-14

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Synopsis
========

An authentication error in GDM could allow users to gain elevated
privileges.

Background
==========

GDM is the GNOME display manager.

Affected packages
=================

-------------------------------------------------------------------
Package / Vulnerable / Unaffected
-------------------------------------------------------------------
1 gnome-base/gdm < 2.8.0.8 >= 2.8.0.8

Description
===========

GDM allows a normal user to access the configuration manager.

Impact
======

When the "face browser" in GDM is enabled, a normal user can use the
"configure login manager" with his/her own password instead of the root
password, and thus gain additional privileges.

Workaround
==========

There is no known workaround at this time.

Resolution
==========

All GDM users should upgrade to the latest version:

# emerge --sync
# emerge --ask --oneshot --verbose ">=gnome-base/gdm-2.8.0.8"

References
==========

[ 1 ] Gnome Bugzilla entry
http://bugzilla.gnome.org/show_bug.cgi?id=343476
[ 2 ] CVE-2006-2452
http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=2006-2452

Availability
============

This GLSA and any updates to it are available for viewing at
the Gentoo Security Website:

http://security.gentoo.org/glsa/glsa-200606-14.xml

Concerns?
=========

Security is a primary focus of Gentoo Linux and ensuring the
confidentiality and security of our users machines is of utmost
importance to us. Any security concerns should be addressed to
security (at) gentoo (dot) org [email concealed] or alternatively, you may file a bug at
http://bugs.gentoo.org.

License
=======

Copyright 2006 Gentoo Foundation, Inc; referenced text
belongs to its owner(s).

The contents of this document are licensed under the
Creative Commons - Attribution / Share Alike license.

http://creativecommons.org/licenses/by-sa/2.5
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