Microsoft Security Bulletin MS08-004 - Important
Vulnerability in Windows TCP/IP Could Allow Denial of Service (946456)
This important update resolves a privately reported vulnerability in Transmission Control Protocol/Internet Protocol (TCP/IP) processing. An attacker who successfully exploited this vulnerability could cause the affected system to stop responding and automatically restart.
This is an important security update for all supported editions of Windows Vista. For more information, see the subsection, Affected and Non-Affected Software, in this section.
This security update addresses the vulnerability by validating the IP address provided by a DHCP server or assigned by command or API at the local machine. For more information about the vulnerability, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.
Recommendation. Microsoft recommends that customers apply the update at the earliest opportunity.
Known Issues. None
The following software have been tested to determine which versions or editions are affected. Other versions or editions are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, visit Microsoft Support Lifecycle.
|Operating System||Maximum Security Impact||Aggregate Severity Rating||Bulletins Replaced by this Update|
|Windows Vista||Denial of Service||Important||MS08-001|
|Windows Vista x64 Edition||Denial of Service||Important||MS08-001|
|Microsoft Windows 2000 Service Pack 4|
|Windows XP Service Pack 2|
|Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2|
|Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2|
|Windows Server 2003 x64 Edition and Windows 2003 Server x64 Edition Service Pack 2|
|Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium based Systems|
|Windows Vista Service Pack 1 (all editions)|
|Windows Server 2008 (all editions)|
Microsoft thanks the following for working with us to help protect customers:
- Tomas Potok, Martin Dominik, Martin Luptak, Eva Juhasova of Whitestein Technologies for reporting the Windows Vista TCP/IP Vulnerability (CVE-2008-0084).
- Customers in the U.S. and Canada can receive technical support from Microsoft Product Support Services at 1-866-PCSAFETY. There is no charge for support calls that are associated with security updates.
- International customers can receive support from their local Microsoft subsidiaries. There is no charge for support that is associated with security updates. For more information about how to contact Microsoft for support issues, visit the International Support Web site.
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- V1.0 (February 12, 2008): Bulletin published.