GNOME Online Accounts could be made to expose sensitive information over the network.
It was discovered that GNOME Online Accounts did not properly check SSL certificates when configuring online accounts. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to alter or compromise credentials and confidential information.
25 March 2013
A security issue affects these releases of Ubuntu and its derivatives:
GNOME Online Accounts could be made to expose sensitive information over the network.
It was discovered that GNOME Online Accounts did not properly check SSL certificates when configuring online accounts. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to alter or compromise credentials and confidential information.
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