Update Protection against Microsoft Excel Rich Text Parsing Zero-Day Remote Code Execution Vulnerability (MS09-009)
| Check Point Reference: | CPAI-2009-028 | |
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| Source: | Microsoft Security Bulletin MS09-009 | |
| Industry Reference(s): | CVE-2009-0238 | |
| Protection Provided by: |
Security Gateway
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| Who is Vulnerable? Microsoft Office Excel 2000 SP3 Microsoft Office Excel 2002 SP3 Microsoft Office Excel 2003 SP3 Microsoft Office Excel 2007 SP1 Microsoft Office Excel Viewer 2003 Microsoft Office Excel Viewer 2003 SP3 Microsoft Office Excel Viewer Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 Microsoft Office 2004 for Mac Microsoft Office 2008 for Mac | ||
| Vulnerability Description A remote code execution vulnerability has been identified in Microsoft Excel. Microsoft Excel is a popular spreadsheet application. A remote attacker could exploit this issue via a malformed Excel file. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system. |
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Update/Patch Available Apply patches: Microsoft Security Bulletin MS09-009 |
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Vulnerability Details The vulnerability is caused when a specially crafted Excel file attempts to access an invalid object. An attacker can exploit this flaw to execute arbitrary code on a vulnerable system via a malicious Excel file. |
Protection Overview
This protection will detect and block the transferring of malformed Excel files over HTTP. In order for the defense to provide protection against the new zero-day attack vector, apply the latest IPS/SmartDefense update.
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.