Basics Bluetooth Security Attacks via Bluetooth - Introduction BlueSnarf BlueSnarf++ BlueBug BlueJacking HeloMoto BlueSmack Cracking the Bluetooth PIN Conclusion Bluetooth Basics Originally invented 1994 by Ericsson Technology for connections of short range devices Bluetooth operates within license-free ISM band (2.4 – 2.48 GHz) To prevent interferences: frequency hopping base band frequency switched 1600 times / s ISM band devided into 79 freq. levels, 1 MHz distance Connect two devices: pairing Piconet
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The security mechanisms Known vulnerabilities Tools that are used Live demonstration Who is investigating Adam Laurie CSO of The Bunker Secure Hosting Ltd. DEFCON staff and organizer Maintainer of the Linux Bluetooth stack Marcel Holtmann Martin Herfurt
Security researcher Founder of trifinite.org What is this about What is Bluetooth Bluetooth SIG Trade association Founded 1998 Owns and licenses IP Bluetooth technology A general cable replacement Using the ISM band at 2.4 GHz Protocol stack and application profiles How it works Data and voice transmission ACL data connections SCO and eSCO voice channels Piconet and scatternet topology Frequency hopping 79 channels 1600 hops per second Creating the topology Hopping sequence defines the piconet
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