Check Point Advisories

Microsoft Windows GDI+ PNG Processing Integer Overflow (MS09-062; CVE-2009-3126)

Check Point Reference: CPAI-2009-434
Date Published: 31 Jan 2010
Severity: High
Last Updated: Thursday 19 December, 2013
Source:
Industry Reference:CVE-2009-3126
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description The Windows Graphics Rendering Engine is implemented via the Graphics Device Interface (GDI) subsystem. GDI is a Microsoft standard for representing graphical objects and outputting these representations to devices such as monitors and printers. GDI is capable of representing vector graphics, drawing lines, curves, and fonts.
An integer overflow vulnerability exists in Microsoft Windows GDI+ that could allow remote code execution. The vulnerability is due to the way that Microsoft Windows GDI+ allocates memory when processing Interlaced PNG files. A remote attacker can exploit this vulnerability by enticing a target user to open a specially crafted PNG file.
In case of an attack where code injection and execution is successful, the behavior of the target is dependent on the intented purpose of the malicious code. The injected code will execute with the privileges of the currently logged in user.
In case of an attack where code execution is not successful, the application may terminate abnormally.

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

  1. In the IPS tab, click Protections and find the Microsoft Windows GDI+ PNG Processing Integer Overflow (MS09-062) 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 GDI+ PNG processing integer overflow (MS09-062)

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