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Microsoft Security Bulletin MS08-077 - Important

Vulnerability in Microsoft Office SharePoint Server Could Cause Elevation of Privilege (957175)

Published:

Version: 1.0

General Information

Executive Summary

This security update resolves a privately reported vulnerability. The vulnerability could allow elevation of privilege if an attacker bypasses authentication by browsing to an administrative URL on a SharePoint site. A successful attack leading to elevation of privilege could result in denial of service or information disclosure.

This security update is rated Important for all supported editions of Microsoft Office SharePoint Server 2007 and Microsoft Search Server 2008. For more information, see the subsection, Affected and Non-Affected Software, in this section.

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. Microsoft Knowledge Base Article 957175 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

SoftwareMaximum Security ImpactAggregate Severity RatingBulletins Replaced by this Update
Microsoft Office Software
Microsoft Office SharePoint Server 2007 (32-bit editions)
(KB956716)
Elevation of PrivilegeImportantMS07-059
Microsoft Office SharePoint Server 2007 Service Pack 1 (32-bit editions)
(KB956716)
Elevation of PrivilegeImportantNone
Microsoft Office SharePoint Server 2007 (64-bit editions)
(KB956716)
Elevation of PrivilegeImportantMS07-059
Microsoft Office SharePoint Server 2007 Service Pack 1 (64-bit editions)
(KB956716)
Elevation of PrivilegeImportantNone
Microsoft Server Software
Microsoft Search Server 2008 (32-bit editions)*
(KB956716)
Elevation of PrivilegeImportantNone
Microsoft Search Server 2008 (64-bit editions)**
(KB956716)
Elevation of PrivilegeImportantNone

*Includes Microsoft Search Server 2008 Express (32-bit) 

**Includes Microsoft Search Server 2008 Express (64-bit) 

Non-Affected Software

Office and Other Software
Microsoft Windows SharePoint Services 3.0
Microsoft Office SharePoint Portal Server 2003 Service Pack 3

Frequently Asked Questions (FAQ) Related to This Security Update

Vulnerability Information

Severity Ratings and Vulnerability Identifiers

Access Control Vulnerability - CVE-2008-4032

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:

  • An anonymous finder for reporting the Access Control Vulnerability (CVE-2008-4032).

Microsoft Active Protections Program (MAPP)

To improve security protections for customers, Microsoft provides vulnerability information to major security software providers in advance of each monthly security update release. Security software providers can then use this vulnerability information to provide updated protections to customers via their security software or devices, such as antivirus, network-based intrusion detection systems, or host-based intrusion prevention systems. To determine whether active protections are available from security software providers, please visit the active protections Web sites provided by program partners, listed in Microsoft Active Protections Program (MAPP) Partners.

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 (December 9, 2008): Bulletin published.