Check Point Advisories

Microsoft GDI+ EMF Image Processing Integer Overflow (MS11-029; CVE-2011-0041; CVE-2018-8239)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-224
Date Published:	12 Apr 2011
Severity:	Critical
Last Updated:	Wednesday 13 September, 2023
Source:
Industry Reference:	CVE-2011-0041 CVE-2018-8239
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	GDI+ is a graphics device interface that provides two-dimensional vector graphics, imaging, and typography to applications and programmers. An integer overflow vulnerability has been discovered in the way that GDI+ handles integer calculations. The vulnerability is caused by a memory corruption when GDI+ improperly processes a specially crafted EMF image file. By convincing a user to open a specially crafted EMF image file, a remote attacker could exploit thie issue. Successful exploitation may allow execution of arbitrary code on a vulnerable system.

Protection Overview

This protection will detect and block the transferring of malformed EMF 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 R81 / R80 / R77 / R75 / R71 / R70 / R65

In the IPS tab, click Protections and find the Microsoft GDI+ EMF Image Processing Integer Overflow (MS11-029) 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: Content Protection Violation.
Attack Information: Microsoft GDI+ EMF Image Processing Integer Overflow (MS11-029)