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USN-2431-2: MAAS regression

4 December 2014

USN-2431-1 caused a regression in the MAAS package.



  • maas - Ubuntu MAAS Server


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

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
Ubuntu 14.04
Ubuntu 12.04

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