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Update Protection against Microsoft Internet Explorer WebDav Memory Corruption Vulnerability (MS08-073)

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Check Point Reference: CPAI-2008-183
Date Published:
Severity:
Last Updated:
Source: Microsoft Security Bulletin MS08-073
Industry Reference(s): CVE-2008-4259
Protection Provided by: VPN-1
  • NGX R65
  • NGX R62
  • NGX R61
  • NGX R60
VSX
  • NGX R65
InterSpect
  • NGX
Who is Vulnerable?
Internet Explorer 7 for:
Windows XP SP2
Windows XP SP3
Windows XP Professional x64 Edition
Windows XP Professional x64 Edition SP2
Windows Server 2003 SP1
Windows Server 2003 SP2
Windows Server 2003 x64 Edition
Windows Server 2003 x64 Edition SP2
Windows Server 2003 with SP1 (Itanium)
Windows Server 2003 with SP2 (Itanium)
Windows Vista
Windows Vista SP1
Windows Vista x64 Edition
Windows Vista x64 Edition SP1
Windows Server 2008 for 32-bit Systems
Windows Server 2008 for x64-based Systems
Windows Server 2008 for (Itanium)
Vulnerability Description
A remote code execution vulnerability has been reported in the way Microsoft Internet Explorer accesses uninitialized memory in certain situations. A remote attacker could exploit this issue by convincing a user to open a maliciously crafted HTML file with Internet Explorer.
Update/Patch Available
Apply patches:
Microsoft Security Bulletin MS08-073
Vulnerability Details
The vulnerability is due to a memory corruption error in Internet Explorer when it attempts to access uninitialized memory in certain situations. An attacker can trigger this flaw by convincing a user to view a specially crafted HTML document. Successful exploitation of this vulnerability allows execution of arbitrary code on a vulnerable system.

Protection Overview
By enabling this protection, SmartDefense will detect and block attempts to exploit this vulnerability.

In order for the protection to be activated, update your VPN-1 product to the latest SmartDefense update. For information on how to update 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.

VPN-1 NGX R65 & R62

How Can I Protect My Network?
1. In the SmartDefense tab, click Web Intelligence > HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities > Microsoft Internet Explorer WebDav Memory Corruption (MS08-073).
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 Internet Explorer WebDav memory corruption (MS08-073)

VPN-1 NGX R61 & R60

How Can I Protect My Network?
1. In the Web Intelligence tree, click HTTP Client Protections > Microsoft Internet Explorer Vulnerabilities.
2. Select the following:

Microsoft Internet Explorer WebDav Memory Corruption (MS08-073)

3. Install security 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 Internet Explorer WebDav memory corruption (MS08-073)

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 Internet Explorer WebDav Memory Corruption (MS08-073).
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 Internet Explorer WebDav memory corruption (MS08-073)

InterSpect NGX

How Can I Protect My Network?
1. In the left pane, select Profiles > Default Protection and select the Web Intelligence page of the profile.
2. In the Web Intelligence tree, click HTTP Client Protections > Microsoft Internet Explorer vulnerabilities.
3. Select the following:

Microsoft Internet Explorer WebDav Memory Corruption (MS08-073)

4. Install security 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 Internet Explorer WebDav memory corruption (MS08-073)