Test ID:	1.3.6.1.4.1.25623.1.0.870684
Category:	Red Hat Local Security Checks
Title:	RedHat Update for gdm RHSA-2011:0395-01
Summary:	The remote host is missing an update for the 'gdm'; package(s) announced via the referenced advisory.
Description:	Summary: The remote host is missing an update for the 'gdm' package(s) announced via the referenced advisory. Vulnerability Insight: 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. Affected Software/OS: gdm on Red Hat Enterprise Linux Desktop (v. 6), Red Hat Enterprise Linux Server (v. 6), Red Hat Enterprise Linux Workstation (v. 6) Solution: Please Install the Updated Packages. CVSS Score: 6.9 CVSS Vector: AV:L/AC:M/Au:N/C:C/I:C/A:C
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
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