The LLTD Mapper in Microsoft Windows Vista allows remote attackers to spoof hosts, and nonexistent bridge relationships, into the network topology map by using…

The LLTD Mapper in Microsoft Windows Vista allows remote attackers to spoof hosts, and nonexistent bridge relationships, into the network topology map by using a MAC address that differs from the MAC address provided in the Real Source field of the LLTD BASE header of a HELLO packet, aka the "Spoof on Bridge" attack.