Check Point Advisories

Sun Java Web Start Charset Encoding Stack Buffer Overflow (CVE-2008-1188)

Check Point Reference: CPAI-2008-263
Date Published: 1 Mar 2010
Severity: High
Last Updated: 16 Nov 2016
Industry Reference:CVE-2008-1188
Protection Provided by:

Security Gateway
R80, R77, R76, 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 of 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 stack buffer overflow vulnerability in Sun Java Web Start. The vulnerability is due to improper bounds checking while handling XML based JNLP files. A remote attacker can exploit this vulnerability by enticing the target user to open a crafted JNLP file, potentially causing arbitrary code to be injected and executed in the security context of the current user.An attack targeting this vulnerability can result in the injection and execution of code. If code execution is successful, the behavior of the target will depend on the intention of the attacker. Any code injected will be executed within the security context of the currently logged in user.In an attack case where code execution is unsuccessful, the application used to open the document will 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 / R76 / R75

  1. In the IPS tab, click Protections and find the Sun Java Web Start Charset Encoding Stack 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:  Content Protection Violation.
Attack Information:  Sun Java Web Start charset encoding stack buffer overflow

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