>From SANS newsletter --15 November 2002 WPA Vulnerable to DoS Wi-Fi Protected Access (WPA), the new wireless security standard, is vulnerable to a type of denial of service attack. If it receives two unauthorized data packets within one second, it shuts down for one minute to prevent an "active attack." In other words, an attacker could send two unauthorized packets every minute and keep the network down. http://www.wired.com/news/business/0,1367,56350,00.html Cisco's response admitting vulnerability to DoS in the conclusion: http://www.cisco.com/en/US/products/hw/wireless/ps430/prod_bulletin09186a008 00a9e74.html [Editor's Note (Shpantzer): This feature/vulnerability is built into the spec. It focuses on improving resistance to confidentiality and integrity attacks, at least relative to WEP. The tradeoff is a built-in denial of service vulnerability.]
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