Cisco IOS GRE Decapsulation Vulnerability
Low Nessus Plugin ID 17789
SynopsisThe remote device is missing a vendor-supplied security patch.
DescriptionThe remote device contains a flaw in the way GRE packets are handled. By sending a specially crafted GRE packet, an attacker can take advantage of this flaw to potentially bypass access-control lists.
SolutionApply the relevant patch referenced in Cisco Security Advisory cisco-sr-20060906-gre.