Cisco Firewall Services Module (FWSM) contains a flaw that may allow a remote denial of service. The issue is triggered when the FWSM receives an unknown malformed packet for one of it's interfaces IP and generates a syslog message with id 710006. This will result in loss of availability for the system.
Classification
Location:
Remote / Network Access
Attack Type:
Denial of Service
Impact:
Loss of Availability
Solution:
Workaround,
Upgrade
Exploit:
Exploit Unknown
Disclosure:
Vendor Verified
OSVDB:
Security Software
Solution
Upgrade to FWSM version 3.1(3.3) or higher, as it has been reported to fix this vulnerability. It is also possible to correct the flaw by implementing the following workaround(s):
Disable logging of 710006 messages via the global command 'no logging message 710006'