Check Point Advisories

Oracle Java PhantomReference Use After Free (CVE-2015-0395)

Check Point Reference: CPAI-2015-0157
Date Published: 15 Feb 2015
Severity: High
Last Updated: Tuesday 17 February, 2015
Source: Oracle
Industry Reference:CVE-2015-0395
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable? Oracle Java SE 5.0u75 and prior
Oracle Java SE 6u85 and prior
Oracle Java SE 7u72 and prior
Oracle Java SE 8u25 and prior
Vulnerability Description A memory corruption vulnerability exists in Oracle Java. The vulnerability is due to a use after free error when handling phantom object references in the Hotspot JVM garbage collector. Successful exploitation could result in arbitrary code execution in the context of the currently logged-in 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

  1. In the IPS tab, click Protections and find the Oracle Java PhantomReference Use After Free protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Oracle Protection Violation.
Attack Information:  Oracle Java PhantomReference Use After Free

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