The Remote Installation Service (RIS) in Microsoft Windows 2000 SP4 uses a TFTP server that allows anonymous access, which allows remote attackers to upload and overwrite arbitrary files to gain privileges on systems that use RIS.Referenceshttp://www.vupen.com/english/advisories/2006/4970http://www.kb.cert.org/vuls/id/238064http://securitytracker.com/id?1017368http://www.us-cert.gov/cas/techalerts/TA06-346A.htmlhttps://docs.microsoft.com/en-us/security-updates/securitybulletins/2006/ms06-077http://www.securityfocus.com/archive/1/454969/100/200/threadedhttp://www.securityfocus.com/archive/1/454969/100/200/threadedhttp://secunia.com/advisories/23312http://www.securityfocus.com/bid/21495https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A375
