Buffer overflow in SMB in the Server service in Microsoft Windows 2000 SP4, XP SP2 and SP3, and Server 2003 SP1 and SP2 allows remote attackers to execute arbitrary code via malformed values of unspecified "fields inside the SMB packets" in an NT Trans request, aka "SMB Buffer Overflow Remote Code Execution Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5863
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2009/ms09-001
http://www.zerodayinitiative.com/advisories/ZDI-09-001/
http://www.vupen.com/english/advisories/2009/0116
http://www.us-cert.gov/cas/techalerts/TA09-013A.html
http://www.securitytracker.com/id?1021560
http://www.securityfocus.com/bid/33121
http://www.securityfocus.com/archive/1/500012/100/0/threaded