Microsoft Windows XP and Vista overwrites ARP table entries included in gratuitous ARP, which allows remote attackers to cause a denial of service (loss of network access) by sending a gratuitous ARP for the address of the Vista host.Referenceshttp://www.symantec.com/avcenter/reference/Vista_Network_Attack_Surface_RTM.pdfhttp://www.securityfocus.com/archive/1/462793/100/0/threadedhttp://osvdb.org/33664http://www.securityfocus.com/archive/1/464617/100/0/threadedhttp://www.symantec.com/enterprise/security_response/weblog/2007/04/microsofts_inaccurate_teredo_d.htmlhttp://www.securityfocus.com/bid/23266
