Update Protection against Microsoft Windows ShellExecute and Internet Explorer 7 Code Execution Vulnerability
| Check Point Reference: | CPAI-2007-130 | |
| Date Published: | ||
| Severity: | ||
| Source: | Microsoft Security Advisory (943521) | |
| Industry Reference(s): | CVE-2007-3896 | |
| Protection Provided by: |
VPN-1
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| Who is Vulnerable? Microsoft Windows XP Microsoft Windows Server 2003 | ||
| Vulnerability Description A remote code execution vulnerability has been reported in Microsoft Windows. The vulnerability occurs when Windows does not correctly handle specially crafted URLs or URIs that are passed to it. There are a number of known attack vectors for this vulnerability; this protection is against the Adobe Acrobat Reader attack. Successful exploitation of this vulnerability allows execution of arbitrary code on a vulnerable system. |
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Vulnerability Details The vulnerability exists in the interaction between ShellExecute and Internet Explorer 7 URLMon component when handling malformed URLs or URIs. A remote attacker could trigger this flaw through the Adobe Acrobat Reader attack vector via a specially crafted PDF file. Successful exploitation allows execution of arbitrary code on the vulnerable system. |
Protection Overview
By enabling this protection, SmartDefense will detect and block malformed PDF files trying to exploit the ShellExecute() 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.
Additional Information
The update released on November 19, 2007 includes the following protections:
Microsoft Windows ShellExecute and IE 7 Code Execution Vulnerability (CPAI-2007-130)
Apple QuickTime PICT Image Stack Overflow Vulnerability (CPAI-2007-131)
VPN-1 NGX R65 & R62
How Can I Protect My Network?
1. In the SmartDefense tab, click Application Intelligence > Content Protection.
2. Select the following:
Block PDF ShellExecute() Vulnerability
3. In the configuration pane, under Settings > Mode, check Active.
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: Content Protection Violation
Attack Information: Malformed PDF: ShellExecute() vulnerability detected
VPN-1 NGX R61 & R60
How Can I Protect My Network?
1. In the SmartDefense tree, click Application Intelligence > Content Protection.
2. Select the following:
Block PDF ShellExecute() Vulnerability
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: Content Protection Violation
Attack Information: Malformed PDF: ShellExecute() vulnerability detected