CVE-2006-4983 Information

Description

Cisco NAC allows quarantined devices to communicate over the network with (1) DNS (2) DHCP and (3) EAPoUDP which allows attackers to bypass control methods by tunneling network traffic through one of these protocols.

Reference

http://www.insightix.com/files/pdf/Bypassing_NAC_Solutions_Whitepaper.pdf http://www.osvdb.org/30977 http://www.securityfocus.com/archive/1/446421/100/0/threaded