Reported November 9, 2004, by eEye Digital Security
VERSIONS AFFECTED
|
DESCRIPTION
A Denial of Service (DoS) vulnerability has been discovered in Kerio Personal
Firewall 4.1.1 and earlier. The vulnerability lets a remote attacker reliably
render a system inoperative with one packet. Physical access is required in
order to bring an affected system out of this "frozen" state. This
specific flaw exists within the fwdrv.sys component, which performs low-level
processing of TCP, UDP, and Internet Control Message Protocol (ICMP) packets.
VENDOR RESPONSE
Kerio Technologies has
released a security
advisory regarding this vulnerability and recommends that affected users
immediately upgrade to version
4.12
CREDIT
Discovered by eEye Digital Security.
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