Check Point Advisories

Microsoft Excel FORMAT Record Array Index Memory Corruption (MS08-043; CVE-2008-3005)

Check Point Reference: CPAI-2008-123
Date Published: 12 Aug 2008
Severity: Critical
Last Updated: Wednesday 17 November, 2021
Industry Reference:CVE-2008-3005
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65

Who is Vulnerable?
Vulnerability Description Microsoft Excel is a popular spreadsheet application. A remote code execution vulnerability has been identified in the way Microsoft Excel handles index array records. 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

This protection will detect and block the transferring of malformed Excel files over HTTP.

In order for the protection to be activated, update your Security Gateway product to the latest IPS update. For information on how to update IPS, go to SBP-2006-05, click on Protection tab and select the version of your choice.

Security Gateway R81 / R80 / R77 / R75 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Microsoft Excel FORMAT Record Array Index Memory Corruption (MS08-043) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  Content Protection Violation.
Attack Information:  Microsoft Excel FORMAT Record Array Index Memory Corruption (MS08-043)

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