Ubuntu Security Notice USN-1483-1
June 27, 2012
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 11.10
- Ubuntu 11.04
- Ubuntu 10.04 LTS
NetworkManager could create insecure AdHoc wireless networks.
- network-manager: Network connection manager
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
Ubuntu 10.04 LTS:
After a standard system update you need to reboot your computer to make
all the necessary changes.