6438 : WatchGuard Firebox II ICMP/TCP Large Stream DoS
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Info

Last Modified
6 months ago

Percent Complete
100%

Disclosure
Apr 05, 2001

Discovery
Unknown

Dates

Exploit
Apr 05, 2001

Solution
Unknown

Description

 Watchguard Firebox II contains a flaw that may allow a remote denial of service. The issue is due to the kernel of Firebox II not properly handling malformed TCP or ICMP packets. By sending a large stream (>10,000) of malformed ICMP or TCP packets, a remote attacker can crash or reboot the system, resulting in loss of availability.

Classification

 Location: Remote/Network Access Required
Attack Type: Denial of Service, Input Manipulation
Impact: Loss of Availability
Exploit: Exploit Available
Disclosure: OSVDB Verified

Solution

 Upgrade to version 4.6 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products
WatchGuard Technologies, Inc.
Watch-list
FireboxII
Watch-list
 4.1
4.2
4.3
4.4
4.5

References

Credit
  • Andreas Sandor - andreas.sandorBrand New Doo Doodefcom.com -
  • Peter Gründl - peter.grundlBrand New Doo Doodefcom.com - Defcom Labs

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