Check Point Advisories

Oracle Java MBeanInstantiator.findClass Remote Code Execution - Ver2 (CVE-2013-0422)

Check Point Reference: CPAI-2014-0833
Date Published: 3 Feb 2014
Severity: Critical
Last Updated: Friday 29 March, 2024
Source: CVE-2013-0422
Protection Provided by:

Security Gateway
R75

Who is Vulnerable?
Vulnerability Description A code execution vulnerability has been reported in Oracle Java. The vulnerability is due to an access control failure in the com.sun.jmx.mbeanserver package and in the invokeWithArguments() method of the java.lang.invoke.MethodHandle class. A remote attacker could trigger this vulnerability by using the public getMBeanInstantiator method in the JmxMBeanServer class to obtain a reference to a private MBeanInstantiator object then retrieving arbitrary Class references using the findClass method and using the Reflection API with recursion in a way that bypasses a security check by the java.lang.invoke.MethodHandles.Lookup.checkSecurityManager method due to the inability of the sun.reflect.Reflection.getCallerClass method to skip frames related to the new reflection API. Successful exploitation of this vulnerability could allow a remote attacker to execute arbitrary code on the affected system.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

  1. On the IPS tab, click Protections, find the protection using the search tool and edit the protection's settings.
  2. Install policy on all modules.

On SmartView Tracker:

  1. Click on IPS Blade > All.
  2. Filter the logs by the Protection name

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