Please Install the Updated Packages.

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)

maas on Ubuntu 13.04 , Ubuntu 12.10 , Ubuntu 12.04 LTS