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             AUSCERT External Security Bulletin Redistribution

                               ESB-2011.0396
                     x11-xserver-utils security update
                               11 April 2011

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           x11-xserver-utils
Publisher:         Debian
Operating System:  Debian GNU/Linux 5
                   Debian GNU/Linux 6
Impact/Access:     Root Compromise                 -- Remote/Unauthenticated
                   Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2011-0465  

Reference:         ESB-2011.0392

Original Bulletin: 
   http://www.debian.org/security/2010/dsa-2213

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Debian Security Advisory DSA-2213-1                   security@debian.org
http://www.debian.org/security/                                Nico Golde
April 8, 2011                          http://www.debian.org/security/faq
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Package        : x11-xserver-utils
Vulnerability  : missing input sanitization
Problem type   : remote
Debian-specific: no
CVE ID         : CVE-2011-0465
Debian bug     : 621423

Sebastian Krahmer discovered that the xrdb utility of x11-xserver-utils,
a X server resource database utility, is not properly filtering crafted
hostnames.  This allows a remote attacker to execute arbitrary code with
root privileges given that either remote logins via xdmcp are allowed or
the attacker is able to place a rogue DHCP server into the victims network.


The oldstable distribution (lenny), this problem has been fixed in
version 7.3+6.

For the stable distribution (squeeze), this problem has been fixed in
version 7.5+3.

For the testing distribution (wheezy), this problem will be fixed soon.

For the testing distribution (sid), this problem has been fixed in
version 7.6+2.


We recommend that you upgrade your x11-xserver-utils packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org

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