Check Point Advisories

Microsoft Internet Explorer 8 toStaticHTML API Information Disclosure (MS10-072; CVE-2010-3243)

Check Point Reference: CPAI-2010-294
Date Published: 12 Oct 2010
Severity: Medium
Last Updated: 27 Dec 2016
Industry Reference:CVE-2010-3243
Protection Provided by:

Security Gateway
R80, R77, R76, R75, R71, R70

Who is Vulnerable?
Vulnerability Description Multiple memory corruption vulnerabilities have been reported in Microsoft Internet Explorer.An information disclosure vulnerability has been reported in the way that the toStaticHTML API sanitizes HTML. The vulnerability is due to the way that Internet Explorer handles content using specific strings when sanitizing HTML. To exploit this issue, an attacker must have the ability to submit a specially crafted script to a target site. Successful exploitation of this vulnerability could allow the attacker to execute a cross-site scripting attack on the user, allowing the attacker to execute script in the user's security context against a site that is using the toStaticHTML API.

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 / R76 / R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Microsoft Internet Explorer 8 toStaticHTML API Information Disclosure (MS10-072) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Microsoft Internet Explorer 8 toStaticHTML API Information Disclosure (MS10-072)

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