Update Protection against Microsoft Excel Index Array Vulnerability (MS08-043)
| Check Point Reference: | CPAI-2008-123 | |
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| Last Updated: | ||
| Source: | Microsoft Security Bulletin MS08-043 | |
| Industry Reference(s): | CVE-2008-3005 | |
| Protection Provided by: |
VPN-1
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| Who is Vulnerable? Microsoft Office Excel 2000 SP3 Excel 2002 SP3 | ||
| Vulnerability Description A remote code execution vulnerability has been identified in the way Microsoft Excel handles index array records. 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 MS08-043 |
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Vulnerability Details The vulnerability is due to an error in Microsoft Excel that fails to properly validate index array records when loading Excel files into memory. An attacker can exploit this flaw to execute arbitrary code on a vulnerable system via a specially crafted Excel file. |
Protection Overview
By enabling this protection, SmartDefense will detect and block the transferring of malformed Excel files over HTTP.
Since the protection offered in this advisory may degrade performance and block access to legitimate files, users are advised to use this protection as a workaround till all systems are patched.
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.