USN-2013-1: MAAS vulnerabilities

Releases

• Ubuntu 13.04
• Ubuntu 12.10
• Ubuntu 12.04

Packages

• 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

• maas-cluster-controller - 1.2+bzr1373+dfsg-0ubuntu1~12.04.4

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

References

• CVE-2013-1057
• CVE-2013-1058