==========================================================================
Ubuntu Security Notice USN-2558-1
April 07, 2015

mailman vulnerability
==========================================================================

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

– Ubuntu 14.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS

Summary:

Mailman could be made to run programs if it processed a specially crafted
list name.

Software Description:
– mailman: Powerful, web-based mailing list manager

Details:

It was discovered that Mailman incorrectly handled special characters
in list names. A local attacker could use this issue to perform a path
traversal attack and execute arbitrary code as the Mailman user.

Update instructions:

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

Ubuntu 14.10:
mailman 1:2.1.18-1ubuntu0.1

Ubuntu 14.04 LTS:
mailman 1:2.1.16-2ubuntu0.1

Ubuntu 12.04 LTS:
mailman 1:2.1.14-3ubuntu0.2

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

References:
http://www.ubuntu.com/usn/usn-2558-1
CVE-2015-2775

Package Information:
https://launchpad.net/ubuntu/+source/mailman/1:2.1.18-1ubuntu0.1
https://launchpad.net/ubuntu/+source/mailman/1:2.1.16-2ubuntu0.1
https://launchpad.net/ubuntu/+source/mailman/1:2.1.14-3ubuntu0.2

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