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Ubuntu Security Notice USN-2431-2
December 04, 2014
maas regression
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A security issue affects these releases of Ubuntu and its derivatives:
– Ubuntu 14.10
– Ubuntu 14.04 LTS
– Ubuntu 12.04 LTS
Summary:
USN-2431-1 caused a regression in the MAAS package.
Software Description:
– maas: Ubuntu MAAS Server
Details:
USN-2431-1 fixed vulnerabilities in mod_wsgi. The security update exposed
an issue in the MAAS package, causing a regression. This update fixes the
problem.
We apologize for the inconvenience.
Original advisory details:
It was discovered that mod_wsgi incorrectly handled errors when setting up
the working directory and group access rights. A malicious application
could possibly use this issue to cause a local privilege escalation when
using daemon mode.
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 14.10:
maas-region-controller-min 1.7.0~beta8+bzr3272-0ubuntu1.2
Ubuntu 14.04 LTS:
maas-region-controller-min 1.5.4+bzr2294-0ubuntu1.2
Ubuntu 12.04 LTS:
maas-region-controller 1.2+bzr1373+dfsg-0ubuntu1~12.04.6
In general, a standard system update will make all the necessary changes.
References:
http://www.ubuntu.com/usn/usn-2431-2
http://www.ubuntu.com/usn/usn-2431-1
https://launchpad.net/bugs/1399016
Package Information:
https://launchpad.net/ubuntu/+source/maas/1.7.0~beta8+bzr3272-0ubuntu1.2
https://launchpad.net/ubuntu/+source/maas/1.5.4+bzr2294-0ubuntu1.2
https://launchpad.net/ubuntu/+source/maas/1.2+bzr1373+dfsg-0ubuntu1~12.04.6
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