Microsoft Security Bulletin MS13-078 – Important: Vulnerability in FrontPage Could Allow Information Disclosure (2825621)

Vulnerability in FrontPage Could Allow Information Disclosure (2825621)

Executive Summary

This security update resolves a privately reported vulnerability in Microsoft FrontPage. The vulnerability could allow information disclosure if a user opens a specially crafted FrontPage document. The vulnerability cannot be exploited automatically; for an attack to be successful a user must be convinced to open the specially crafted document.

This security update is rated Important for all supported editions of Microsoft FrontPage 2003. For more information, see the subsection, Affected and Non-Affected Software, in this section.

The security update addresses the vulnerability by ensuring that FrontPage properly handles Document Type Definition (DTD) entities. 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. Customers can configure automatic updating to check online for updates from Microsoft Update by using the Microsoft Update service. Customers who have automatic updating enabled and configured to check online for updates from Microsoft Update typically will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates from Microsoft Update and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.

For administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update at the earliest opportunity using update management software, or by checking for updates using the Microsoft Update service.

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