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Test ID:1.3.6.1.4.1.25623.1.0.69239
Category:Red Hat Local Security Checks
Title:RedHat Security Advisory RHSA-2011:0395
Summary:NOSUMMARY
Description:Description:
The remote host is missing updates announced in
advisory RHSA-2011:0395.

The GNOME Display Manager (GDM) provides the graphical login screen, shown
shortly after boot up, log out, and when user-switching.

A race condition flaw was found in the way GDM handled the cache
directories used to store users' dmrc and face icon files. A local attacker
could use this flaw to trick GDM into changing the ownership of an
arbitrary file via a symbolic link attack, allowing them to escalate their
privileges. (CVE-2011-0727)

Red Hat would like to thank Sebastian Krahmer of the SuSE Security Team for
reporting this issue.

All users should upgrade to these updated packages, which contain a
backported patch to correct this issue. GDM must be restarted for this
update to take effect. Rebooting achieves this, but changing the runlevel
from 5 to 3 and back to 5 also restarts GDM.

Solution:
Please note that this update is available via
Red Hat Network. To use Red Hat Network, launch the Red
Hat Update Agent with the following command: up2date

http://rhn.redhat.com/errata/RHSA-2011-0395.html

Risk factor : High

CVSS Score:
6.9

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2011-0727
BugTraq ID: 47063
http://www.securityfocus.com/bid/47063
Debian Security Information: DSA-2205 (Google Search)
http://www.debian.org/security/2011/dsa-2205
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057333.html
http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057931.html
http://www.mandriva.com/security/advisories?name=MDVSA-2011:070
http://mail.gnome.org/archives/gdm-list/2011-March/msg00020.html
http://www.redhat.com/support/errata/RHSA-2011-0395.html
http://securitytracker.com/id?1025264
http://secunia.com/advisories/43714
http://secunia.com/advisories/43854
http://secunia.com/advisories/44021
http://www.ubuntu.com/usn/USN-1099-1
http://www.vupen.com/english/advisories/2011/0786
http://www.vupen.com/english/advisories/2011/0787
http://www.vupen.com/english/advisories/2011/0797
http://www.vupen.com/english/advisories/2011/0847
http://www.vupen.com/english/advisories/2011/0911
XForce ISS Database: display-manager-priv-escalation(66377)
https://exchange.xforce.ibmcloud.com/vulnerabilities/66377
CopyrightCopyright (c) 2011 E-Soft Inc. http://www.securityspace.com

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