The RPC component in Windows 2000, Windows NT 4.0, and Windows XP allows remote attackers to cause a denial of service (disabled RPC service) via a malformed packet to the RPC Endpoint Mapper at TCP port 135, which triggers a null pointer dereference.
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A59
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2003/ms03-010
http://www.securityfocus.com/archive/1/296114/2002-10-14/2002-10-20/0