Design/Logic Flaw

Cisco IOS 12.2 and 15.0 through 15.2 on Cisco 10000 series routers, when a tunnel interface exists, allows remote attackers to cause a denial of service interface queue wedge via tunneled 1 GRE/IP, 2 IPIP, or 3 IPv6 in IPv4 packets, aka Bug ID CSCts66808...