An attacker could trick Software Center into installing altered packages and repositories or exposing sensitive information over the network.
David B. discovered that Software Center incorrectly validated server certificates when performing secure connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information or install altered packages and repositories.
21 November 2011
A security issue affects these releases of Ubuntu and its derivatives:
An attacker could trick Software Center into installing altered packages and repositories or exposing sensitive information over the network.
David B. discovered that Software Center incorrectly validated server certificates when performing secure connections. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to view sensitive information or install altered packages and repositories.
The problem can be corrected by updating your system to the following package versions:
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
Vulmon