network-manager-applet could create insecure AdHoc wireless networks.
USN-1483-1 fixed a vulnerability in NetworkManager by disabling the creation of WPA-secured AdHoc wireless connections. This update provides the corresponding change for network-manager-applet.
27 June 2012
A security issue affects these releases of Ubuntu and its derivatives:
network-manager-applet could create insecure AdHoc wireless networks.
USN-1483-1 fixed a vulnerability in NetworkManager by disabling the creation of WPA-secured AdHoc wireless connections. This update provides the corresponding change for network-manager-applet.
Original advisory details:
It was discovered that certain wireless drivers incorrectly handled the creation of WPA-secured AdHoc connections. This could result in AdHoc wireless connections being created without any security at all. This update removes WPA as a security choice for AdHoc connections in NetworkManager.
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 your session to make all the necessary changes.
Vulmon