==========================================================Ubuntu Security Notice USN-968-1 August 05, 2010
A security issue affects the following Ubuntu releases:
Ubuntu 10.04 LTS
This advisory also applies to the corresponding versions of
Kubuntu, Edubuntu, and Xubuntu.
The problem can be corrected by upgrading your system to the
following package versions:
In general, a standard system update will make all the necessary changes.
It was discovered that the Ubuntu image shipped on some Dell Latitude
2110 systems was accidentally configured to allow unauthenticated package
installations. A remote attacker intercepting network communications or
a malicious archive mirror server could exploit this to trick the user
into installing unsigned packages, resulting in arbitrary code execution
with root privileges.