Ubuntu alert USN-1351-1 (accountsservice)

From:
    	     
 
Marc Deslauriers <marc.deslauriers@canonical.com> 
To:
    	     
 
ubuntu-security-announce@lists.ubuntu.com 
Subject:
    	     
 
[USN-1351-1] AccountsService vulnerability 
Date:
    	     
 
Tue, 31 Jan 2012 08:51:09 -0500
Message-ID:
    	     
 
<1328017869.30386.3.camel@mdlinux>
Archive-link:
    	     
 
Article, Thread
              
==========================================================================
Ubuntu Security Notice USN-1351-1
January 31, 2012

accountsservice vulnerability
==========================================================================

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

- Ubuntu 11.10

Summary:

AccountsService could be made to overwrite files as the administrator.

Software Description:
- accountsservice: query and manipulate user account information

Details:

Hayawardh Vijayakumar discovered that AccountsService incorrectly handled
privileges when modifying the language settings on Ubuntu. A local attacker
could exploit this issue to modify arbitrary files, and possibly create a
denial of service or obtain increased privileges.

Update instructions:

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

Ubuntu 11.10:
  accountsservice                 0.6.14-1git1ubuntu1.1

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

References:
  http://www.ubuntu.com/usn/usn-1351-1
  CVE-2011-4406

Package Information:
  https://launchpad.net/ubuntu/+source/accountsservice/0.6....


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