Please Install the Updated Packages.
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.
gnome-online-accounts on Ubuntu 12.10 , Ubuntu 12.04 LTS , Ubuntu 11.10
Updated on 2015-03-25