Launch Printer Friendly Page Security TechCenter > Security Bulletins > Microsoft Security Bulletin MS08-022

Microsoft Security Bulletin MS08-022 - Critical

Vulnerability in VBScript and JScript Scripting Engines Could Allow Remote Code Execution (944338)

Published: | Updated:

Version: 2.1

General Information

Executive Summary

This security update resolves a privately reported vulnerability in the VBScript and JScript scripting engines in Windows. An attacker who successfully exploited this vulnerability could take complete control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

This is a critical security update for all supported editions of Microsoft Windows 2000, Windows XP, and Windows Server 2003. For more information, see the subsection, Affected and Non-Affected Software, in this section.

This security update addresses the vulnerability by modifying the way that the VBScript and JScript engines decode script in Web pages. 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 immediately

Known Issues. Microsoft Knowledge Base Article 944338 documents the currently known issues that customers may experience when installing this security update. The article also documents recommended solutions for these issues.

Affected and Non-Affected Software

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.

Affected Software

Operating SystemComponentMaximum Security ImpactAggregate Severity RatingBulletins Replaced by this Update
Microsoft Windows 2000 Service Pack 4 VBScript 5.1 and JScript 5.1Remote Code ExecutionCriticalMS06-023
Microsoft Windows 2000 Service Pack 4 VBScript 5.6 and JScript 5.6Remote Code ExecutionCriticalMS06-023
Windows XP Service Pack 2VBScript 5.6 and JScript 5.6Remote Code ExecutionCriticalMS06-023
Windows XP Professional x64 Edition and Windows XP Professional x64 Edition Service Pack 2VBScript 5.6 and JScript 5.6Remote Code ExecutionCriticalMS06-023
Windows Server 2003 Service Pack 1 and Windows Server 2003 Service Pack 2VBScript 5.6 and JScript 5.6Remote Code ExecutionCriticalMS06-023
Windows Server 2003 x64 Edition and Windows Server 2003 x64 Edition Service Pack 2VBScript 5.6 and JScript 5.6Remote Code ExecutionCriticalMS06-023
Windows Server 2003 with SP1 for Itanium-based Systems and Windows Server 2003 with SP2 for Itanium based SystemsVBScript 5.6 and JScript 5.6Remote Code ExecutionCriticalMS06-023

Non-Affected Software

Operating System
Windows Vista
Windows Vista x64 Edition
Windows Vista Service Pack 1 (all editions)
Windows Server 2008 (all editions)

Frequently Asked Questions (FAQ) Related to This Security Update

Vulnerability Information

Severity Ratings and Vulnerability Identifiers

VBScript/JScript Remote Code Execution Vulnerability - CVE-2008-0083

Update Information

Detection and Deployment Tools and Guidance

Security Update Deployment

Other Information

Acknowledgments

Microsoft thanks the following for working with us to help protect customers:

  • Peter Ferrie of Symantec for reporting the VBScript/Jscript Remote Code Execution Vulnerability (CVE-2008-0083).

Support

  • 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.

Disclaimer

The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.

Revisions

  • V1.0 (April 8, 2008): Bulletin published.
  • V1.1 (April 9, 2008): Bulletin updated. Combined JScript with VBScript in the Vulnerability Severity rating table.
  • V2.0 (August 12, 2008): Added known issues link. Also added an entry to the section, Frequently Asked Questions (FAQ) Related to this Security Update, about the known issues and solutions. The solutions include a deployment change for this security update for one issue and a workaround for another. Customers who have successfully updated their systems do not need to reinstall this update.
  • V2.1 (September 3, 2008): Corrected security update entries for Windows XP and Windows Server 2003 to include -v2 in the file package names. This is a correction to the package names only, customers who have successfully updated their systems do not need to reinstall this update.