NSS could be made to expose sensitive information over the network.
It was discovered that NSS incorrectly handled wildcard certificates when used with internationalized domain names. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to spoof SSL servers.
2 April 2014
A security issue affects these releases of Ubuntu and its derivatives:
NSS could be made to expose sensitive information over the network.
It was discovered that NSS incorrectly handled wildcard certificates when used with internationalized domain names. If a remote attacker were able to perform a man-in-the-middle attack, this flaw could be exploited to spoof SSL servers.
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.
After a standard system update you need to restart any applications that use NSS, such as Evolution and Chromium, to make all the necessary changes.
Vulmon