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Ubuntu Security Notice USN-2230-1
June 04, 2014

chkrootkit vulnerability
==========================================================================

A security issue affects these releases of Ubuntu and its derivatives:

– Ubuntu 14.04 LTS
– Ubuntu 13.10
– Ubuntu 12.04 LTS
– Ubuntu 10.04 LTS

Summary:

chkrootkit could be made to run programs as an administrator.

Software Description:
– chkrootkit: rootkit detector

Details:

Thomas Stangner discovered that chkrootkit incorrectly quoted certain
values. A local attacker could use this issue to execute arbitrary code
when chkrootkit is run and gain root privileges.

Update instructions:

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 14.04 LTS:
chkrootkit 0.49-4.1ubuntu1.14.04.1

Ubuntu 13.10:
chkrootkit 0.49-4.1ubuntu1.13.10.1

Ubuntu 12.04 LTS:
chkrootkit 0.49-4ubuntu1.1

Ubuntu 10.04 LTS:
chkrootkit 0.49-3ubuntu0.1

In general, a standard system update will make all the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2230-1
CVE-2014-0476

Package Information:
https://launchpad.net/ubuntu/+source/chkrootkit/0.49-4.1ubuntu1.14.04.1
https://launchpad.net/ubuntu/+source/chkrootkit/0.49-4.1ubuntu1.13.10.1
https://launchpad.net/ubuntu/+source/chkrootkit/0.49-4ubuntu1.1
https://launchpad.net/ubuntu/+source/chkrootkit/0.49-3ubuntu0.1

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