Neighbor Discovery Protocol Vulnerability in Cisco IOS

CVE-2010-4671 · HIGH Severity

AV:N/AC:L/AU:N/C:N/I:N/A:C

The Neighbor Discovery (ND) protocol implementation in the IPv6 stack in Cisco IOS before 15.0(1)XA5 allows remote attackers to cause a denial of service (CPU consumption and device hang) by sending many Router Advertisement (RA) messages with different source addresses, as demonstrated by the flood_router6 program in the thc-ipv6 package, aka Bug ID CSCti33534.

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