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.
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