The DCOM RPC interface for Microsoft Windows NT 4.0, 2000, XP, and Server 2003 allows remote attackers to cause network communications via an "alter context" call that contains additional data, aka the "Object Identity Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1072
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1066
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1062
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A1041
https://exchange.xforce.ibmcloud.com/vulnerabilities/15711
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2004/ms04-012
http://www.us-cert.gov/cas/techalerts/TA04-104A.html
http://www.securityfocus.com/bid/10121
http://www.kb.cert.org/vuls/id/212892