FreeBSD 2.x / HP-UX 9/10/11 / Kernel 2.0.3 / Windows NT 4.0/Server 2003 / NetBSD 1 - 'land.c' loopback Denial of Service (5)

/ source: https://www.securityfocus.com/bid/2666/info A number of TCP/IP stacks are vulnerable to a "loopback" condition initiated by sending a TCP SYN packet with the source address and port spoofed to equal the destination source and port. When a packet of this sort is received, an infinite loo...