Check Point Advisories

Microsoft XML Core Services DTD Cross-Domain Scripting (MS08-069; CVE-2008-4029)

Vulnerability
Protection

Check Point Reference:	CPAI-2008-162
Date Published:	11 Nov 2008
Severity:	High
Last Updated:	Tuesday 22 November, 2011
Source:
Industry Reference:	CVE-2008-4029
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	MSXML is an application for processing Extensible Stylesheet Language Transformation in an XML file that allows programmers to create high-performance XML-based applications. An information disclosure vulnerability has been reported in Microsoft XML Core Services (MSXML). The vulnerability is due to the way that Microsoft XML Core Services handles error checks for external document type definitions (DTDs), allowing a violation of cross-domain policy. An attacker can trigger this flaw by convincing a user to view a specially crafted HTML document. Successful exploitation could allow the attacker to read data from another domain in Internet Explorer.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R80 / R77 / R75 / R71 / R70 / R65

In the IPS tab, click Protections and find the Microsoft XML Core Services DTD Cross-Domain Scripting (MS08-069) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Microsoft XML core services DTD cross-domain scripting (MS08-069)