Check Point Advisories

Microsoft Windows ATMFD Font Driver OTF Code Execution (MS11-041; CVE-2011-1873)

Check Point Reference: CPAI-2011-294
Date Published: 14 Jun 2011
Severity: High
Last Updated: Tuesday 14 June, 2011
Source:
Industry Reference:CVE-2011-1873
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description The Windows kernel is the core of the operating system. It provides system-level services such as device management and memory management, allocates processor time to processes, and manages error handling. A remote code execution vulnerability exists due to the way that the Windows kernel-mode driver improperly parses specially crafted OpenType fonts on 64-bit systems. An attacker who successfully exploited this vulnerability could run arbitrary code in kernel mode. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

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

  1. In the IPS tab, click Protections and find the Microsoft Windows ATMFD Font Driver OTF Code Execution (MS11-041) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft Windows ATMFD font driver OTF code execution (MS11-041)

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