Check Point Advisories

Sun Java HsbParser.getSoundBank Stack Buffer Overflow (CVE-2009-3867)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-445
Date Published:	2 Feb 2010
Severity:	High
Last Updated:	Tuesday 02 February, 2010
Source:
Industry Reference:	CVE-2009-3867
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. A buffer overflow vulnerability exists in Sun's Java Runtime Environment. The vulnerability is due to a lack of bounds checking while parsing the long arguments to the getSoundbank() function. A remote attacker can exploit this vulnerability by enticing the target user to open a malicious web page. Successful exploitation could result in execution of arbitrary code within the security context of the currently logged on user. An unsuccessful exploit attempt will crash the affected application.

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

In the IPS tab, click Protections and find the Sun Java HsbParser.getSoundBank Stack Buffer Overflow protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Web Client Enforcement Violation.
Attack Information: Sun Java HsbParser.getSoundBank stack buffer overflow