(Attachmate Issues Fix for Reflection) X xrdb Input Validation Flaw in Processing Hostname Lets Remote Users Execute Arbitrary Commands
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SecurityTracker Alert ID: 1026926 |
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SecurityTracker URL: http://securitytracker.com/id/1026926
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CVE Reference:
CVE-2011-0465
(Links to External Site)
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Date: Apr 17 2012
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Impact:
Execution of arbitrary code via network, Root access via network
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Fix Available: Yes Vendor Confirmed: Yes
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Version(s): Reflection X prior to 14.1 SP2
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Description:
A vulnerability was reported in X. A remote user can execute arbitrary commands on the target system. Attachmate Reflection X is affected.
A remote user can send specially crafted hostname values (containing shell escape characters) to the target system to execute arbitrary commands on the target system with root privileges when a display manager reads in the resource database via xrdb.
Systems that set their hostname via DHCP are affected (if the dhcp client permits hostnames with illegal characters).
Systems that allow remote logins via xdmcp are affected.
Sebastian Krahmer from the SUSE security team reported this vulnerability.
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Impact:
A remote user can execute arbitrary commands with root privileges on the target system.
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Solution:
Attachmate has issued a fix for Reflection (Reflection X 14.1 SP2).
The Attachmate advisory is available at:
http://support.attachmate.com/techdocs/1708.html
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Cause:
Input validation error
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Underlying OS:
Linux (Any), UNIX (Any)
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Message History:
This archive entry is a follow-up to the message listed below.
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Source Message Contents
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Date: Tue, 17 Apr 2012 05:28:19 +0000
Subject: Attachmate Reflection
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http://support.attachmate.com/techdocs/1708.html
CVE-2011-0465
xrdb.c in xrdb before 1.0.9 in X.Org X11R7.6 and earlier allows remote attackers to
execute arbitrary commands via shell metacharacters in a hostname obtained from a (1)
DHCP or (2) XDMCP message.
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