USN-2431-2: MAAS regression

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: http://bit.ly/1aJDvTw.


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


References


LP: 1399016






from Ubuntu Security Notices http://bit.ly/1AnRtYv