Reported July 9, 2002, by Peter Gründl.
VERSION AFFECTED
-
WatchGuard Firebox appliance with firmware 5.x.x
DESCRIPTION
A
Denial of Service (DoS) condition exists in WatchGuard Firebox with firmware
5.x.x. By sending a malformed packet to the listener service on
TCP port 4110, an attacker can cause the Dynamic VPN Configuration Protocol (DVCP)
service to fail.
VENDOR RESPONSE
The vendor, WatchGuard, recommends that affected users upgrade their firmware to version 6.x.x, available through the company's LiveSecurity Service.
CREDIT
Discovered by Andreas
Sandor and Peter Gründl.
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