BlueSmack is a Bluetooth attack that knocks out some Bluetooth-enabled
devices immediately. This Denial of Service attack can
be conducted using standard tools that ship with the official
Linux Bluez utils package.
'Ping of Death' is basically a network ping packet that used
to knock out early versions of Microsoft Windows 95. The BlueSmack
is the same kind of attack buit transferred in to the Bluetooth
world. On the L2CAP layer there is the possibility to request
an echo from another Bluetooth peer. As for the ICMP ping, the
idea of the L2CAP ping (echo request) is also to check connectivity
and to measure roundtrip time on the established link.
Basically, the l2ping that ships with the standard
distribution of the BlueZ
utils allows the user to specify a packet length that is sent
to the respective peer. This is done by meas of the -s
Many (many) iPaqs react immidiately beginning with a size of about
For questions about the BlueSmack attack, feel free to ask Adam
Laurie, Marcel Holtmann
or Martin Herfurt.