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12th USENIX Security Symposium — Abstract
Pp. 15-28 of the Proceedings
802.11 Denial-of-Service Attacks: Real Vulnerabilities and Practical Solutions
John Bellardo and Stefan Savage, University of California, San Diego
Abstract
The convenience of 802.11-based wireless access networks has led to
widespread deployment in the consumer, industrial and military sectors.
However, this use is predicated on an implicit assumption of
confidentiality and availability. While the security flaws in 802.11's
basic confidentially mechanisms have been widely publicized,
the threats to network availability are far less widely
appreciated. In fact, it has been suggested that 802.11 is highly
susceptible to malicious denial-of-service (DoS) attacks targeting its
management and media access protocols. This paper provides an
experimental analysis of such 802.11-specific attacks - their
practicality, their efficacy and potential low-overhead implementation
changes to mitigate the underlying vulnerabilities.
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