Bluetooth Security
Short summary:
have developed more sophisticated ways of violating Bluetooth security, and the problem ... Bluetooth is also ideal for creating small wireless security ...
Long summary:
Bluetooth Security Bluetooth Security James Lewis ECE 578 7 March 2005 Lewis 1 1. Introduction. 2 2. Overview of Bluetooth. 2 2.1. Bluetooth Application Profiles . 2 2.1.1. Voice and Data Access Points . 2 2.1.2. Peripheral Interconnects. 3 2.1.3. Personal Area Networks (PAN). 3 2.2. Bluetooth Architecture. 3 2.2.1. Core Specification. 3 3. Bluetooth Authentication . 5 3.1. Link Keys. 5 3.2. Device Pairing. 5 3.3. Key Generation . 6 3.4. Authentication Process. 7 3.5. Encryption. 8 4. Ad Hoc Security Concerns. 9 5. Attacks on Bluetooth. 10 5.1. SNARF Attack. 10 5.2. BACKDOOR Attack . 11 5.3. BLUEBUG Attack. 11 5.4. BLUEJACKING . 11 5.5. WARNIBBLING . 12 5.6. Bluetooth Attack Utilities . 12 6. Consumer Protection. 13 7. Conclusion . 14 8. References. 15 Lewis 2 1. Introduction Bluetooth technology was developed to replace cumbersome wires in portable and personal electronic devices with radio frequency wireless communication. It has since found its way into numerous mobile applications as well as home and automobile use. However, as with all wireless technologies, security is of the utmost importance. The protection of a consumers valuable information and the contents of their communications have remained at the forefront of Bluetooth development. Unfortunately, security vulnerabilities have remained an increasing problem as attackers have developed more sophisticated ways of violating Bluetooth security, and the problem only promises to become worse as Bluetooth devices permeate everyday life. I will present a brief overview of the Bluetooth standard, followed by an outline of Bluetooths security implementation. I will also examine some of the attacks currently threatening the Bluetooth community and the countermeasures being enacted to protect Bluetooth users. 2. Overview of Bluetooth Bluetooth is a wireless communication standard that was developed to revolutionize the small, personal, and portable electronic device market. It provides a protocol for lowpower peripherals (cell phones, PDAs, mobile computers) to communicate with each other over a small range. Each of these markets is represented by a major contributor to the specification: Intel, 3COM, Ericsson, IBM, Motorola, Nokia, and Toshiba. Along with these major designers, over 1600 companies have since adopted the Bluetooth standard. 2.1. Bluetooth Application Profiles While Bluetooth is a broad communications standard, it is focused on three distinct communication profiles: voice and data access points, peripheral interconnects, and personal area networks (PAN). 2.1.1. Voice and Data Access Points Voice and data access points were one of the first applications of Bluetooth technology. The goal was to allow wireless devices to communicate in order to allow them access to a broader wireless network. For example, a notebook PC equipped with Bluetooth could setup a connection with a Bluetooth cell phone to allow the PC to connect to the internet Lewis 3 through the cell phones internet ...
Source: islab.oregonstate.edu
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