Ubuntu Security Notice USN-727-1 – It was discovered that network-manager-applet did not properly enforce permissions when responding to dbus requests. A local user could perform dbus queries to view other users’ network connection passwords and pre-shared keys. It was discovered that network-manager-applet did not properly enforce permissions when responding to dbus modify and delete requests. A local user could use dbus to modify or delete other users’ network connections. This issue only applied to Ubuntu 8.10.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/75407/USN-727-1.txt
Source: https://packetstormsecurity.com/files/75407/Ubuntu-Security-Notice-727-1.html