Check Point Advisories

Oracle Java Font Parsing maxPoints Heap Buffer Overflow

Check Point Reference: CPAI-2012-792
Date Published: 29 Apr 2013
Severity: High
Last Updated: Wednesday 08 January, 2025
Source:
Protection Provided by:

Security Gateway
R75
Who is Vulnerable? Oracle Java Runtime Environment (JRE) 7 update 7 and prior
Oracle Java Development Kit (JDK) 7 update 7 and prior
Vulnerability Description A heap memory corruption vulnerability exists in Oracle Java Runtime. The vulnerability is due to the font parsing code failing to check the "maxPoints" value used in controlling heap memory operation. A remote unauthenticated attacker can exploit this vulnerability by persuading users to load a malicious web page containing a java applet.

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. In the IPS tab, click Protections and find the Oracle Java Font Parsing maxPoints Heap Buffer Overflow protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Oracle Protection Violation
Attack Information: Oracle Java Font Parsing maxPoints Heap Buffer Overflow

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