CERT: Cisco IOS fails to properly handle malformed DHCP packets
CERT: Cisco IOS fails to properly handle malformed DHCP packets
http://www.kb.cert.org/vuls/id/630104
By sending a specially crafted DHCP packet to an affected device, a remote, unauthenticated attacker could cause the device to stop processing incoming network traffic. Repeated exploitation of this vulnerability could lead to a sustained denial-of-service condition. In order to regain functionality, the device must be rebooted to clear the input queue on the interface.
PATCH INFORMATION
http://www.cisco.com/warp/public/707/cisco-sa-20041110-dhcp.shtml