eEye Security Advisory – eEye Digital Security has discovered a severe denial of service vulnerability in the Kerio Personal Firewall product for Windows. The vulnerability allows a remote attacker to reliably render a system inoperative with one single packet. Physical access is required in order to bring an affected system out of this “frozen” state. This specific flaw exists within the component that performs low level processing of TCP, UDP, and ICMP packets. Kerio Personal Firewall 4.1.1 and prior.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/34988/eEye.kerio.txt
Source: https://packetstormsecurity.com/files/34988/eEye.kerio.txt.html