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Ubuntu Security Notice USN-2105-1
February 13, 2014

maas vulnerabilities

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

• Ubuntu 13.10
• Ubuntu 12.10
• Ubuntu 12.04 LTS

Summary:

The cluster could be made to run programs as an administrator.

Software Description:

• maas: Ubuntu MAAS Server

Details:

James Troup discovered that MAAS stored RabbitMQ authentication
credentials in a world-readable file. A local authenticated user
could read this password and potentially gain privileges of other
user accounts. This update restricts the file permissions to prevent
unintended access. (CVE-2013-1070)

Chris Glass discovered that the MAAS API was vulnerable to cross-site
scripting vulnerabilities. With cross-site scripting vulnerabilities,
if a user were tricked into viewing a specially crafted page, a remote
attacker could exploit this to modify the contents, or steal confidential
data, within the same domain. (CVE-2013-1069)

Update instructions:

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

Ubuntu 13.10:
maas-region-controller 1.4+bzr1693+dfsg-0ubuntu2.3
python-django-maas 1.4+bzr1693+dfsg-0ubuntu2.3

Ubuntu 12.10:
maas-region-controller 1.2+bzr1373+dfsg-0ubuntu1.2
python-django-maas 1.2+bzr1373+dfsg-0ubuntu1.2

Ubuntu 12.04 LTS:
maas-region-controller 1.2+bzr1373+dfsg-0ubuntu1~12.04.5
python-django-maas 1.2+bzr1373+dfsg-0ubuntu1~12.04.5

After a standard system update you need to restart apache2 to make all
the necessary changes.

References:
http://www.ubuntu.com/usn/usn-2105-1
CVE-2013-1069, CVE-2013-1070

Package Information:
https://launchpad.net/ubuntu/+source/maas/1.4+bzr1693+dfsg-0ubuntu2.3
https://launchpad.net/ubuntu/+source/maas/1.2+bzr1373+dfsg-0ubuntu1.2
https://launchpad.net/ubuntu/+source/maas/1.2+bzr1373+dfsg-0ubuntu1~12.04.5

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