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==========================================================================
Ubuntu Security Notice USN-2013-1
November 07, 2013

maas vulnerabilities
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

MAAS could be made to run programs as an administrator.

Software Description:
- maas: Ubuntu MAAS Server

Details:

It was discovered that maas-import-pxe-files incorrectly loaded
configuration information from the current working directory. A local
attacker could execute code as an administrator if maas-import-pxe-files
were run from an attacker-controlled directory. (CVE-2013-1057)

It was discovered that maas-import-pxe-files doesn't cryptographically
verify downloaded content. An attacker could modify images without
detection. (CVE-2013-1058)

Update instructions:

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

Ubuntu 13.04:
  maas-cluster-controller         1.3+bzr1461+dfsg-0ubuntu2.3

Ubuntu 12.10:
  maas-cluster-controller         1.2+bzr1373+dfsg-0ubuntu1.1

Ubuntu 12.04 LTS:
  maas-cluster-controller         1.2+bzr1373+dfsg-0ubuntu1~12.04.4

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

References:
  http://www.ubuntu.com/usn/usn-2013-1
  CVE-2013-1057, CVE-2013-1058

Package Information:
  https://launchpad.net/ubuntu/+source/maas/1.3+bzr1461+dfsg-0ubuntu2.3
  https://launchpad.net/ubuntu/+source/maas/1.2+bzr1373+dfsg-0ubuntu1.1
  https://launchpad.net/ubuntu/+source/maas/1.2+bzr1373+dfsg-0ubuntu1~12.04.4


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