Another Blaster-type flaw discovered

More flaws have been discovered in RPC/DCOM which, if exploited, could lead to another Internet worm like Blaster. Microsoft Security Bulletin MS03-039 is rated as critical and affects Windows NT Workstation 4.0, NT Server 4.0, NT Server 4.0 Terminal Server Edition, Windows 2000, Windows XP, and Windows Server 2003. The vulnerability is a buffer overrun condition in the RPCSS service that could allow attackers to run the code of their choice on unpatched systems. Home users not on a network may wish to disable DCOM to prevent compromise by this exploit. The previous patch to protect against the Blaster worm will not protect against new exploits targeting this latest vulnerability. Visit Microsoft's Windows Update to obtain the latest patches for your system.
Blaster worm resources | Disabling DCOM | MS03-039