=========================================================================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:
https://ubuntu.com/security/notices/USN-1351-1
CVE-2011-4406
Package Information:
https://launchpad.net/ubuntu/+source/accountsservice/0.6.14-1git1ubuntu1.1