WatchGuard Firebox II contains a flaw that may allow a remote denial of service. The issue is triggered when a remote attacker floods the server with FTP or SMTP requests, disabling subsequent proxy handling.
Classification
Location:
Remote/Network Access Required
Attack Type:
Denial of Service
Impact:
Loss of Availability
Exploit:
Exploit Available
Disclosure:
OSVDB Verified
Solution
Upgrade to version WatchGuard Firebox II 4.6 or higher, as it has been reported to fix this vulnerability. In addition, WatchGuard has released patch 112000 for some older versions.