Microsoft Windows Media Player 6.4, Windows Media Format Runtime 7.1 through 11, and Windows Media Services 4.1, 9, and 2008 do not properly use the Service Principal Name (SPN) identifier when validating replies to authentication requests, which allows remote servers to execute arbitrary code via vectors that employ NTLM credential reflection, aka “SPN Vulnerability.”
secunia.com/advisories/33058
www.securityfocus.com/bid/32653
www.securitytracker.com/id?1021372
www.securitytracker.com/id?1021373
www.us-cert.gov/cas/techalerts/TA08-344A.html
www.vupen.com/english/advisories/2008/3388
docs.microsoft.com/en-us/security-updates/securitybulletins/2008/ms08-076
oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5942