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The security update MS08-067 resolves a privately reported vulnerability in the Server service. The vulnerability could allow remote code execution if an affected system received a specially crafted RPC request. On Microsoft Windows 2000, Windows XP, and Windows Server 2003 systems, an attacker could exploit this vulnerability without authentication to run arbitrary code. It is possible that this vulnerability could be used in the crafting of a wormable exploit. Firewall best practices and standard default firewall configurations can help protect network resources from attacks that originate outside the enterprise perimeter.
This security update is rated Critical for all supported editions of Microsoft Windows 2000, Windows XP, Windows Server 2003, and rated Important for all supported editions of Windows Vista and Windows Server 2008. The security update addresses the vulnerability by correcting the way that the Server service handles RPC requests.
MS08-067 has a maximum severity rating of Important for Windows Vista and Windows Server 2008 and a maximum severity rating of Critical for all earlier versions of Microsoft Windows.
Recommendation. Microsoft recommends that customers apply the update immediately.
Join us for a brief overview of the technical details of the security bulletin. The intent of this webcast is to address your concerns. Therefore, most of the webcast is devoted to attendees asking questions about the bulletin and getting answers from our security experts.
To register click on TechNet Webcast: Information Regarding an Out-of-Band Security Bulletin Release (Level 200).