Check Point Advisories

Oracle Java Applet2ClassLoader Remote Code Execution (CVE-2010-4452)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-271
Date Published:	31 May 2011
Severity:	High
Last Updated:	Sunday 07 April, 2013
Source:
Industry Reference:	CVE-2010-4452
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Java Technology is a programming platform which aims to provide a system for developing and deploying cross-platform applications. It is distributed in the form of various tools such as Java Runtime Environment (JRE) and Java Development Kit (JDK). A remote code execution vulnerability has been reported in Oracle Java Runtime. The vulnerability is due to insufficient validation of the URLs supplied by an implicitly trusted applet which can allow an untrusted applet to gain all privileges. The vulnerability exists in the "findClass" method of the "Applet2ClassLoader" class. A remote attacker can exploit this issue by enticing a target user to run a Java applet to execute arbitrary code on a target system within the security context of the target 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

In the IPS tab, click Protections and find the Oracle Java Applet2ClassLoader Remote Code Execution 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: Oracle Java Applet2ClassLoader remote code execution