1. Ubuntu Security Notices
  2. USN-2013-1

USN-2013-1: MAAS vulnerabilities

Publication date

7 November 2013

Overview

MAAS could be made to run programs as an administrator.

Releases

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)

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

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
13.04 raring maas-cluster-controller –  1.3+bzr1461+dfsg-0ubuntu2.3
12.10 quantal maas-cluster-controller –  1.2+bzr1373+dfsg-0ubuntu1.1
12.04 precise maas-cluster-controller –  1.2+bzr1373+dfsg-0ubuntu1~12.04.4

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References

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