Extended Interior Gateway Routing Protocol (EIGRP), as implemented in Cisco IOS 11.3 through 12.2 and other products, allows remote attackers to cause a denial of service (flood) by sending a large number of spoofed EIGRP neighbor announcements, which results in an ARP storm on the local network.
https://exchange.xforce.ibmcloud.com/vulnerabilities/10903
http://www.securityfocus.com/bid/6443
http://www.securityfocus.com/archive/1/419898/100/0/threaded
http://www.securityfocus.com/archive/1/304044
http://www.securityfocus.com/archive/1/304034
http://www.cisco.com/warp/public/707/eigrp_issue.pdf
http://www.cisco.com/en/US/tech/tk365/technologies_security_notice09186a008011c5e1.html
http://securitytracker.com/id?1005840