Check Point Advisories

Sun Java GIF File Handling Memory Corruption (CVE-2007-0243)

Check Point Reference: CPAI-2007-222
Date Published: 29 Dec 2009
Severity: High
Last Updated: Wednesday 08 May, 2013
Source:
Industry Reference:CVE-2007-0243
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description Java Technology is a programing platform developed by Sun Microsystems which aims to provide a system for developing and deploying cross-platform applications. Java is used in a wide variety programs that are deployed on personal computers as well as embedded devices and cell phones. Java is widely used for web applications in numerous forms, one of which are Java Applets. There exists a memory corruption vulnerability in Sun Microsystems Java Development Kit (JDK), Java Runtime Environment (JRE), and Software Developers Kit (SDK). The vulnerability is caused due to improper checking of the image width when parsing GIF files. A remote attacker may leverage this vulnerability to inject and execute arbitrary code on the target host, in the context of the currently logged in user. In an attack case where code injection is not successful, the application that runs as the Java applet container (usually the web browser) will terminate abnormally. In a more sophisticated attack where code injection is successful, the behavior of the target host is entirely dependent on the intended function of the injected code. The code in such a case would execute within the security context of the currently logged in user.

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 Sun Java GIF File Handling Memory Corruption 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:  Sun Java GIF file handling memory corruption

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