Ubuntu alert USN-1169-1 (apt)

From:
    	     
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-1169-1] APT vulnerability 
Date:
    	     
 
Wed, 13 Jul 2011 13:32:26 -0400
Message-ID:
    	     
 
<1310578346.2676.7.camel@mdlinux>
Archive-link:
    	     
 
Article, Thread
              
==========================================================================
Ubuntu Security Notice USN-1169-1
July 13, 2011

apt vulnerability
==========================================================================

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

- Ubuntu 11.04

Summary:

An attacker could trick APT into installing altered packages.

Software Description:
- apt: Advanced front-end for dpkg

Details:

William Grant discovered that APT incorrectly validated inline GPG
signatures. If a remote attacker were able to perform a man-in-the-middle
attack, this flaw could potentially be used to install altered packages.

Update instructions:

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

Ubuntu 11.04:
  apt                             0.8.13.2ubuntu4.1

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

References:
  http://www.ubuntu.com/usn/usn-1169-1
  CVE-2011-1829

Package Information:
  https://launchpad.net/ubuntu/+source/apt/0.8.13.2ubuntu4.1


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