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Check Point Advisories

Microsoft Internet Explorer Jscript9 Memory Corruption (MS15-065: CVE-2015-2419)

Check Point Reference: CPAI-2015-0843
Date Published: 14 Jul 2015
Severity: Critical
Last Updated: 4 Oct 2017
Source: Microsoft Security Bulletin MS15-065
Industry Reference:CVE-2015-2419
Protection Provided by:

Security Gateway
R80, R77, R76, R75

Who is Vulnerable? Internet Explorer 10
Internet Explorer 11
Vulnerability Description A remote code execution vulnerability exists in the way that the JScript engine, when rendered in Internet Explorer, handles objects in memory. A remote attacker can exploit this issue by enticing a user to open a specially crafted web-page with an affected version of Internet Explorer.
Update/Patch AvaliableApply patches from: MS15-065

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 / R76 / R75

  1. In the IPS tab, click Protections and find the Microsoft Internet Explorer Jscript9 Memory Corruption (MS15-065: CVE-2015-2419) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

This protection's log will contain the following information:

Attack Name:  Web Client Enforcement Violation.
Attack Information:  Microsoft Internet Explorer Jscript9 Memory Corruption (MS15-065: CVE-2015-2419)