Check Point Advisories

Microsoft Excel Workspace Index Value Memory Corruption (MS07-044; CVE-2007-3890)

Check Point Reference: CPAI-2007-101
Date Published: 16 Aug 2007
Severity: High
Last Updated: 15 Oct 2013
Industry Reference:CVE-2007-3890
Protection Provided by:

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

Who is Vulnerable?
Vulnerability Description Microsoft Excel is a popular spreadsheet application. A memory corruption vulnerability has been identified in Microsoft Excel. A remote attacker could exploit this issue via a malformed Excel file. Successful exploitation of these vulnerabilities may allow execution of arbitrary code on a target system.

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 R80 / R77 / R75 / R71 / R70 / R65

  1. In the IPS tab, click Protections and find the Microsoft Excel Workspace Index Value Memory Corruption (MS07-044) 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 workspace index value memory corruption (MS07-044)

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