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Update Protection against Microsoft DHTML Editing Component ActiveX Control Code Execution Vulnerability (MS09-046)

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Check Point Reference: CPAI-2009-127
Date Published:
Severity:
Last Updated:
Source: Microsoft Security Bulletin MS09-046
Industry Reference(s): CVE-2009-2519
Protection Provided by: Security Gateway
  • R70
VPN-1
  • NGX R65
VSX
  • NGX R65
IPS-1
  • IPS-1
  • IPS-1 NGX R65
Who is Vulnerable?
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)
Vulnerability Description
A remote code execution vulnerability has been reported in the DHTML Editing Component ActiveX Control. The DHTML Editing Component ActiveX control provides an HTML editor that can be used to support dynamic Web site HTML editing in software. A remote attacker can exploit this vulnerability by convincing a user to visit a specially crafted Web page. Successful exploitation could result in execution of arbitrary code on the affected system.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS09-046
Vulnerability Details
The vulnerability is due to a memory corruption error in the ActiveX control when it is used in Internet Explorer. A remote attacker could exploit this issue by convincing a user to visit a malicious Web page. Successful exploitation of this issue could allow remote code execution on the affected 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/VPN-1 product to the latest IPS/SmartDefense update. For information on how to update IPS/SmartDefense, 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 Microsoft DHTML Editing Component ActiveX Control Code Execution (MS09-046) 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: Microsoft DHTML Editing Component ActiveX control code execution (MS09-046)

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 > Microsoft DHTML Editing Component ActiveX Control Code Execution (MS09-046).
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: Microsoft DHTML Editing Component ActiveX control code execution (MS09-046)

VPN-1 VSX NGX R65

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Microsoft DHTML Editing Component ActiveX Control Code Execution (MS09-046).
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: Microsoft DHTML Editing Component ActiveX control code execution (MS09-046)

IPS-1 & IPS-1 NGX R65

How Can I Protect My Network?

1. In the IPS-1 Policy Manager, click on the Protection tab.
2. In the Protection tree, click Application Intelligence > Badfiles, and select the ActiveX Parser protection group. 3. Click CVE-2009-2519 DHTML Editing Component ActiveX Memory Corruption  (MS09-049) (IPS-1 NGX R65 only).
4. In the configuration pane, under Settings, check Active.
 5. Click on Install Policy.

How Do I Know if My Network is Under Attack?

Upon attack, the following entries will be logged:

Alert Name: Badfiles ActiveX class in HTML file Alert/Filter
Description: CVE-2009-2519 DHTML Editing Component ActiveX Memory Corruption (MS09-049)