Check Point Advisories

Microsoft Excel Merge Cell Record Pointer Code Execution (MS10-080; CVE-2010-3237)

Check Point Reference: CPAI-2010-277
Date Published: 12 Oct 2010
Severity: High
Last Updated: Monday 18 February, 2019
Source:
Industry Reference:CVE-2010-3237
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 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. A memory corruption vulnerability has been identified in Microsoft Excel. The vulnerability is due to an error in Microsoft Office Excel that fails to properly parse the Excel spreadsheet file format. The vulnerability is due to an error in Microsoft Office Excel that fails to properly validate record information upon opening a specially crafted Excel file. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted Excel file that includes a malformed Merge Cell record. Successful exploitation of this issue may allow execution of arbitrary code on a vulnerable 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 Merge Cell Record Pointer Code Execution (MS10-080) 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 Merge Cell Record pointer code execution (MS10-080)

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