Executive Summary

Summary
Title MAAS vulnerabilities
Informations
Name USN-2013-1 First vendor Publication 2013-11-07
Vendor Ubuntu Last vendor Modification 2013-11-07
Severity (Vendor) N/A Revision N/A

Security-Database Scoring CVSS v3

Cvss vector : N/A
Overall CVSS Score NA
Base Score NA Environmental Score NA
impact SubScore NA Temporal Score NA
Exploitabality Sub Score NA
 
Calculate full CVSS 3.0 Vectors scores

Security-Database Scoring CVSS v2

Cvss vector : (AV:N/AC:M/Au:N/C:N/I:P/A:P)
Cvss Base Score 5.8 Attack Range Network
Cvss Impact Score 4.9 Attack Complexity Medium
Cvss Expoit Score 8.6 Authentication None Required
Calculate full CVSS 2.0 Vectors scores

Detail

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

Original Source

Url : http://www.ubuntu.com/usn/USN-2013-1

CWE : Common Weakness Enumeration

% Id Name
50 % CWE-310 Cryptographic Issues
50 % CWE-20 Improper Input Validation

OVAL Definitions

Definition Id: oval:org.mitre.oval:def:19249
 
Oval ID: oval:org.mitre.oval:def:19249
Title: USN-2013-1 -- maas vulnerabilities
Description: MAAS could be made to run programs as an administrator.
Family: unix Class: patch
Reference(s): USN-2013-1
CVE-2013-1057
CVE-2013-1058
 Version: 5
Platform(s): Ubuntu 13.04
Ubuntu 12.10
Ubuntu 12.04
 Product(s): maas
Definition Synopsis:

CPE : Common Platform Enumeration

TypeDescriptionCount
Application 3
Os 3

Nessus® Vulnerability Scanner

Date Description
2013-11-07 Name : The remote Ubuntu host is missing a security-related patch.
File : ubuntu_USN-2013-1.nasl - Type : ACT_GATHER_INFO

Alert History

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Date Informations
2014-02-17 12:02:42
  • Multiple Updates
2013-11-25 21:23:07
  • Multiple Updates
2013-11-23 22:14:34
  • Multiple Updates
2013-11-21 21:23:16
  • Multiple Updates
2013-11-18 17:23:09
  • Multiple Updates
2013-11-18 13:23:53
  • Multiple Updates
2013-11-07 05:20:07
  • First insertion