Home Page | Skip to Navigation | Skip to Content | Skip to Search | Skip to Footer

Update Protection against Internet Explorer Uninitialized Memory Corruption (MS09-034)

Subscribe

Check Point Reference: CPAI-2009-143
Date Published:
Severity:
Source: Microsoft Security Bulletin MS09-034
Industry Reference(s): CVE-2009-1919
Protection Provided by: Security Gateway
  • R70
VPN-1
  • NGX R65
VSX
  • NGX R65
Who is Vulnerable?
Microsoft Internet Explorer 5.01
Microsoft Internet Explorer 6
Microsoft Internet Explorer 7
Microsoft Internet Explorer 8
Vulnerability Description
A remote code execution vulnerability exists in the way Internet Explorer accesses an object that has been deleted. An attacker could exploit the vulnerability by constructing a specially crafted Web page that when viewed by a user, could allow for remote code execution.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS09-034 
Vulnerability Details
When Internet Explorer attempts to access an object that has been deleted, it may corrupt memory in such a way that an attacker could execute arbitrary code in the context of the logged-on 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, 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 R70

How Can I Protect My Network?
1. In the IPS tab, click Protections > By Protocol > Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. In the right pane, double-click the Internet Explorer Uninitialized Memory Corruption (MS09-034) protection.
3. In the Protection Details window, click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings.
4. 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 uninitialized memory corruption (MS09-034)

VPN-1 NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Internet Explorer Uninitialized Memory Corruption (MS09-034).
2. In the configuration pane, under Settings > Mode, check Active.
3. 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 uninitialized memory corruption (MS09-034)

VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Internet Explorer Uninitialized Memory Corruption (MS09-034).
2. In the configuration pane, under Settings > Mode, check Active.
3. 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 uninitialized memory corruption (MS09-034)