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Check Point Advisories

Multiple Products Malformed GIF Image File Handling Buffer Overflow (CVE-2005-0399; CVE-2007-1071; CVE-2005-0243)

Check Point Reference: CPAI-2005-53
Date Published: 26 Mar 2005
Severity: High
Last Updated: 26 Mar 2005
Source:
Industry Reference:CVE-2005-0399
CVE-2007-1071
CVE-2005-0243
Protection Provided by:

Security Gateway
R80, R77, R75, R71, R70

Who is Vulnerable?
Vulnerability Description

Protection Overview

This protection will detect and block the transferring of malformed GIF files over HTTP.By enabling the Sun Microsystems Java GIF protection, IPS will detect and block malformed Java GIF files.By enabling the Apple Mac OS X ImageIO protection, IPS will detect and block the transferring of malformed Apple GIF files over HTTP. 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 Multiple Products Malformed GIF Image File Handling Buffer Overflow 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 : GIF Content Protection Violation. Attack Information :. Malformed GIF. Malformed Mac GIF file. Malformed Java GIF file. For users of VPN-1 NG with Application Intelligence R55, SmartView Tracker will log rules 9982, 99868, 99869. Note: This protection is performance-intensive. Activating it may consume considerable system resources.