Vulnerabilities in SMB Could Allow Remote Code Execution (MS09-001)

http://www.microsoft.com/technet/security/Bulletin/MS09-001.mspx

This security update resolves several privately reported vulnerabilities in Microsoft Server Message Block (SMB) Protocol. The vulnerabilities could allow remote code execution on affected systems. An attacker who successfully exploited these vulnerabilities could install programs; view, change, or delete data; or create new accounts with full user rights. Firewall best practices and standard default firewall configurations can help protect networks from attacks that originate outside the enterprise perimeter. Best practices recommend that systems that are connected to the Internet have a minimal number of ports exposed.

SMB Buffer Overflow Remote Code Execution Vulnerability - CVE-2008-4834
SMB Validation Remote Code Execution Vulnerability - CVE-2008-4835
SMB Validation Denial of Service Vulnerability - CVE-2008-4114

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On Jan 8th, I guessed this release would be another "Server" bug...and well, I was right. Even got the ZDI involvement correct as well, but isn't hard to assume with very serious bugs.