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

Update Protection against Microsoft Internet Explorer HTML SetCapture Memory Corruption Vulnerability (MS09-019)

Subscribe

Check Point Reference: CPAI-2009-176
Date Published:
Severity:
Source: Microsoft Security Bulletin MS09-019
Industry Reference(s): CVE-2009-1529
Protection Provided by: Security Gateway
  • R70
Who is Vulnerable?
Internet Explorer 7 for:
Windows XP SP2
Windows XP SP3
Windows XP Professional x64 Edition SP2
Windows Server 2003 SP2
Windows Server 2003 x64 Edition SP2
Windows Server 2003 with SP2 (Itanium)

Internet Explorer 7 in:
Windows Vista
Windows Vista SP1
Windows Vista SP2
Windows Vista x64 Edition
Windows Vista x64 Edition SP1
Windows Vista x64 Edition SP2
Windows Server 2008 for 32-bit Systems
Windows Server 2008 for 32-bit Systems SP2
Windows Server 2008 for x64-based Systems
Windows Server 2008 for x64-based Systems SP2
Windows Server 2008 (Itanium)
Windows Server 2008 (Itanium) SP2

Vulnerability Description
A remote code execution vulnerability has been reported in Microsoft Internet Explorer. A remote attacker could exploit this issue by convincing a user to open a maliciously crafted HTML file with Internet Explorer, which will cause the browser to crash and may allow execution of arbitrary commands.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS09-019
Vulnerability Details
The vulnerability is due to the way Internet Explorer accesses an object that has not been correctly initialized or has been deleted. To trigger this issue, an attacker may create a malicious web page that will cause Internet Explorer to access uninitialized memory, thereby corrupting memory in such a way that will allow execution of arbitrary code. Successful exploitation of this vulnerability will crash the browser, allowing execution of arbitrary code on the vulnerable system.

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 SetCapture Calls Improper Handling (MS09-019) 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 SetCapture calls improper handling (MS09-019)