Description
Cisco IOS 11.1 through 12.2, when HSRP support is not enabled, allows remote attackers to cause a denial of service (CPU consumption) via randomly sized UDP packets to the Hot Standby Routing Protocol (HSRP) port 1985.
References
- 20020605 Three possible DoS attacks against some IOS versions. mailing-list
- cisco-ios-hsrp-dos(9282) vdb-entry
- 20020606 Re: Three possible DoS attacks against some IOS versions. mailing-list
- 4948 vdb-entry