Ubuntu alert USN-1666-1 (aptdaemon)

From:
    	     
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-1666-1] Aptdaemon vulnerability 
Date:
    	     
 
Mon, 17 Dec 2012 09:17:36 -0500
Message-ID:
    	     
 
<50CF2980.2090001@canonical.com>

==========================================================================
Ubuntu Security Notice USN-1666-1
December 17, 2012

aptdaemon vulnerability
==========================================================================

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

- Ubuntu 12.04 LTS
- Ubuntu 11.10

Summary:

Aptdaemon could be tricked into installing arbitrary PPA GPG keys.

Software Description:
- aptdaemon: transaction based package management service

Details:

It was discovered that Aptdaemon incorrectly validated PPA GPG keys when
importing from a keyserver. If a remote attacker were able to perform a
man-in-the-middle attack, this flaw could be exploited to install altered
package repository GPG keys.

Update instructions:

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

Ubuntu 12.04 LTS:
  aptdaemon                       0.43+bzr805-0ubuntu7

Ubuntu 11.10:
  aptdaemon                       0.43+bzr697-0ubuntu1.3

After a standard system update you need to reboot your computer to make
all the necessary changes.

References:
  http://www.ubuntu.com/usn/usn-1666-1
  CVE-2012-0962

Package Information:
  https://launchpad.net/ubuntu/+source/aptdaemon/0.43+bzr80...
  https://launchpad.net/ubuntu/+source/aptdaemon/0.43+bzr69...


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