Check Point Advisories

Microsoft Windows Font Library File Buffer Overflow (CVE-2011-2003)

Vulnerability
Protection

Check Point Reference:	CPAI-2012-090
Date Published:	19 Mar 2012
Severity:	Critical
Last Updated:	Monday 25 November, 2024
Source:	CVE-2011-2003
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Microsoft Windows 7 Microsoft Windows Vista Microsoft Windows XP Microsoft Windows Server 2003 Microsoft Windows Server 2008
Vulnerability Description	A buffer overflow vulnerability has been reported in Microsoft Windows.
Vulnerability Details	The vulnerability is due to an input validation error when the kernel parses a .FON font file. A remote attacker could exploit this issue by enticing a target user to open a specially crafted .FON file. Successful exploitation could allow an attacker to execute arbitrary code in the security context of the Windows Kernel.

Protection Overview

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

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

Security Gateway R75 / R71 / R70

In the IPS tab, click Protections and find the Microsoft Windows Font Library File Buffer Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Web Client Enforcement Violation
Attack Information: Microsoft Windows font library file buffer overflow