Ubuntu alert USN-1959-1 (rtkit)

From:
    	     
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-1959-1] RealtimeKit vulnerability 
Date:
    	     
 
Wed, 18 Sep 2013 11:07:42 -0400
Message-ID:
    	     
 
<5239C1BE.3090105@canonical.com>
Archive-link:
    	     
 
Article, Thread
              
==========================================================================
Ubuntu Security Notice USN-1959-1
September 18, 2013

rtkit vulnerability
==========================================================================

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

- Ubuntu 13.04
- Ubuntu 12.10
- Ubuntu 12.04 LTS

Summary:

RealtimeKit could be tricked into bypassing polkit authorizations.

Software Description:
- rtkit: Realtime Policy and Watchdog Daemon

Details:

It was discovered that RealtimeKit was using polkit in an unsafe manner. A
local attacker could possibly use this issue to bypass intended polkit
authorizations.

Update instructions:

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

Ubuntu 13.04:
  rtkit                           0.10-2ubuntu0.13.04.1

Ubuntu 12.10:
  rtkit                           0.10-2ubuntu0.12.10.1

Ubuntu 12.04 LTS:
  rtkit                           0.10-2ubuntu0.12.04.1

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

References:
  http://www.ubuntu.com/usn/usn-1959-1
  CVE-2013-4326

Package Information:
  https://launchpad.net/ubuntu/+source/rtkit/0.10-2ubuntu0....
  https://launchpad.net/ubuntu/+source/rtkit/0.10-2ubuntu0....
  https://launchpad.net/ubuntu/+source/rtkit/0.10-2ubuntu0....


-- 
ubuntu-security-announce mailing list
ubuntu-security-announce@lists.ubuntu.com
Modify settings or unsubscribe at:
https://lists.ubuntu.com/mailman/listinfo/ubuntu-security...