Test ID:	1.3.6.1.4.1.25623.1.0.870420
Category:	Red Hat Local Security Checks
Title:	RedHat Update for xorg-x11 RHSA-2011:0432-01
Summary:	The remote host is missing an update for the 'xorg-x11'; package(s) announced via the referenced advisory.
Description:	Summary: The remote host is missing an update for the 'xorg-x11' package(s) announced via the referenced advisory. Vulnerability Insight: X.Org is an open source implementation of the X Window System. It provides the basic low-level functionality that full-fledged graphical user interfaces are designed upon. A flaw was found in the X.Org X server resource database utility, xrdb. Certain variables were not properly sanitized during the launch of a user's graphical session, which could possibly allow a remote attacker to execute arbitrary code with root privileges, if they were able to make the display manager execute xrdb with a specially-crafted X client hostname. For example, by configuring the hostname on the target system via a crafted DHCP reply, or by using the X Display Manager Control Protocol (XDMCP) to connect to that system from a host that has a special DNS name. (CVE-2011-0465) Red Hat would like to thank Matthieu Herrb for reporting this issue. Upstream acknowledges Sebastian Krahmer of the SuSE Security Team as the original reporter. Users of xorg-x11 should upgrade to these updated packages, which contain a backported patch to resolve this issue. All running X.Org server instances must be restarted for this update to take effect. Affected Software/OS: xorg-x11 on Red Hat Enterprise Linux AS version 4, Red Hat Enterprise Linux ES version 4, Red Hat Enterprise Linux WS version 4 Solution: Please Install the Updated Packages. CVSS Score: 9.3 CVSS Vector: AV:N/AC:M/Au:N/C:C/I:C/A:C
Cross-Ref:	Common Vulnerability Exposure (CVE) ID: CVE-2011-0465 BugTraq ID: 47189 http://www.securityfocus.com/bid/47189 Debian Security Information: DSA-2213 (Google Search) http://www.debian.org/security/2011/dsa-2213 http://lists.fedoraproject.org/pipermail/package-announce/2011-April/057928.html http://www.mandriva.com/security/advisories?name=MDVSA-2011:076 http://lists.freedesktop.org/archives/xorg-announce/2011-April/001636.html http://lists.freedesktop.org/archives/xorg-announce/2011-April/001635.html http://www.redhat.com/support/errata/RHSA-2011-0432.html http://www.redhat.com/support/errata/RHSA-2011-0433.html http://www.securitytracker.com/id?1025317 http://secunia.com/advisories/44010 http://secunia.com/advisories/44012 http://secunia.com/advisories/44040 http://secunia.com/advisories/44082 http://secunia.com/advisories/44122 http://secunia.com/advisories/44123 http://secunia.com/advisories/44193 http://slackware.com/security/viewer.php?l=slackware-security&y=2011&m=slackware-security.465748 SuSE Security Announcement: SUSE-SA:2011:016 (Google Search) http://lists.opensuse.org/opensuse-security-announce/2011-04/msg00002.html SuSE Security Announcement: openSUSE-SU-2011:0298 (Google Search) https://lwn.net/Articles/437150/ http://www.ubuntu.com/usn/USN-1107-1 http://www.vupen.com/english/advisories/2011/0880 http://www.vupen.com/english/advisories/2011/0889 http://www.vupen.com/english/advisories/2011/0906 http://www.vupen.com/english/advisories/2011/0929 http://www.vupen.com/english/advisories/2011/0966 http://www.vupen.com/english/advisories/2011/0975 XForce ISS Database: xorg11-xrdb-command-execution(66585) https://exchange.xforce.ibmcloud.com/vulnerabilities/66585
Copyright	Copyright (C) 2011 Greenbone AG

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