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Internet Explorer Heap Spray Memory Corruption (CVE-2012-4792)

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Check Point Reference: CPAI-2012-1336
Date Published:
Severity:
Source: Microsoft Security Advisory 2794220
Industry Reference(s): CVE-2012-4792
Protection Provided by: Security Gateway
  • R70
  • R71
  • R75
Who is Vulnerable?
Internet Explorer 6
Internet Explorer 7
Internet Explorer 8
Vulnerability Description
A remote code execution vulnerability has been reported in Internet Explorer.
Vulnerability Details
The vulnerability is due to an error in the way Internet Explorer accesses an object in memory that has been deleted or has not been properly allocated. A remote attacker can exploit this issue by enticing users to open a specially crafted web page. Successful exploitation would allow an attacker to execute arbitrary code on the target.

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, Protection 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 / R71 / R70

How Can I Protect My Network?

  1. In the IPS tab, click Protections and find the Internet Explorer Heap Spray Memory Corruption protection using the Search tool and Edit the protection's settings.
  2. 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: Internet Explorer Heap Spray Memory Corruption