Denial of Service Vulnerability in Cisco IOS EIGRP Implementation

CVE-2005-4436 · HIGH Severity

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

Extended Interior Gateway Routing Protocol (EIGRP) 1.2, as implemented in Cisco IOS after 12.3(2), 12.3(3)B, and 12.3(2)T and other products, allows remote attackers to cause a denial of service by sending a "spoofed neighbor announcement" with (1) mismatched k values or (2) "goodbye message" Type-Length-Value (TLV).

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