Check Point Advisories

Microsoft GDI+ WMF Integer Overflow (MS09-062; CVE-2009-2500)

Check Point Reference: CPAI-2009-202
Date Published: 13 Oct 2009
Severity: Critical
Last Updated: 17 Feb 2016
Industry Reference:CVE-2009-2500
Protection Provided by:

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

Who is Vulnerable?
Vulnerability Description The Microsoft Windows graphics device interface (GDI) enables applications to use graphics and formatted text on the video display and on the printer.Windows Metafile (WMF) is a 16-bit metafile image format optimized for the Windows operating system that can contain both vector information and bitmap information.A remote code execution vulnerability has been discovered in the way that GDI+ allocates buffer size when handling WMF image files.The vulnerability is due to an integer overflow when GDI+ fails to properly process malformed WMF image files. A remote attacker may trigger this issue by convincing a user to open a specially crafted WMF image file. By persuading a user to open the malformed WMF file, an attacker could take complete control of an affected system.

Protection Overview

This protection will detect and block the transferring of malformed WMF files over HTTP.

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 GDI+ WMF Integer Overflow (MS09-062) 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:  Content Protection Violation.
Attack Information:  Microsoft GDI+ WMF integer overflow (MS09-062)

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