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Security Best Practice: Protect Yourself from Java Applet Exploits

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Check Point Reference: SBP-2011-07
Date Published:
Severity:
Source: IPS Research Center
Industry Reference(s): CVE-2010-0840
CVE-2010-0094
CVE-2008-5353
Protection Provided by: Security Gateway
  • R75
Who is Vulnerable?
Java Runtime Environment (JRE) Applications
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).
Multiple Vulnerabilites in JRE can be exploited by using Java signed applets. 
Vulnerability Details
A remote attacker can exploit vulnerabilities in JRE by enticing a target user to open a malicious applet with a vulnerable application. Successful exploitation could allow an attacker to inject and execute code on a vulnerable target host.

Protection Overview
This protection will detect and block Metasploit attacks which use Java signed applets.

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-2006-05Protection tab and select the version of your choice.

To configure the defense, select your product from the list below and follow the related protection steps.

Security Gateway: R75

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > IPS Software Blade > Web Intelligence > HTTP Client Protections.
2. In the right pane, double-click the following protection:

Java Signed Applet 

3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings
4. Install policy on all modules.

How Do I Know if My Network is Under Attack?
SmartView Tracker will log the following entries:

Attack Name: Web Client Enforcement Violation
Attack Information: Java signed applet