Cisco IOS Malicious IPV4 Packet Sequence Denial Of Service Vulnerability

Cisco IOS Malicious IPV4 Packet Sequence Denial Of Service Vulnerability

Solution:
Further information regarding obtaining and applying fixes and workarounds can be found in the attached Cisco security advisory (cisco-sa-20030717). Some releases may not be available at this time, so users should also consult the advisory for further details regarding the availability of fixed releases.

The Symantec DeepSight Threat Management System has witnessed that this vulnerability is currently being exploited in the wild and considers it a high risk. Patches should be applied immediately and in situations where this is not possible, administrators are advised to evaluate the applicability of all available workarounds.

** August 02, 2003 - Cisco has released revision 1.13 of the advisory detailing additional fix information for 12.0T and 12.1EC. See referenced advisory for additional details.