Ubuntu Security Notice USN-2431-2
4th December, 2014
maas regression
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 version:
- 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
To update your system, please follow these instructions:
https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.