Check Point Advisories

Internet Explorer PNG Image Rendering Memory Corruption (MS05-025; CVE-2005-1211; CVE-2006-0025)

Check Point Reference: CPAI-2005-99
Date Published: 16 Jun 2005
Severity: Critical
Last Updated: 16 Jun 2005
Source:
Industry Reference:CVE-2005-1211
CVE-2006-0025
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description

Protection Overview

This protection will block malformed PNG files on all services with Protocol Type 'HTTP'.The "Block PNG Buffer Overflow" protection blocks PNG files containing illegally large chunks.This option is supported only in versions VPN-1 NGX R60 and later. The detect mode makes it possible to track unauthorized traffic without blocking it.

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

  1. In the IPS tab, click Protections and find the Internet Explorer PNG Image Rendering Memory Corruption (MS05-025) 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 Internet Explorer PNG image rendering memory corruption (MS05-025). Microsoft Windows Media Player PNG chunk handling stack overflow (MS06-024). Users of VPN-1 NG with Application Intelligence R55 will identify rule number 99803 appearing in the SmartView Tracker. Note: This protection is performance-intensive. Activating it may consume considerable system resources.

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