Check Point Advisories

Microsoft Excel MDXTUPLE and MDXSET Records Heap Overflow (MS10-017; CVE-2010-0260; CVE-2010-0261)

Vulnerability
Protection

Check Point Reference:	CPAI-2010-043
Date Published:	9 Mar 2010
Severity:	High
Last Updated:	Tuesday 09 March, 2010
Source:
Industry Reference:	CVE-2010-0260 CVE-2010-0261
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	Microsoft Excel is a popular spreadsheet application. Multiple heap overflow vulnerabilities have been identified in Microsoft Excel. These vulnerabilities are due to an error in Microsoft Office Excel that fails to properly parse the Excel spreadsheet file format. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted Excel spreadsheet file that includes a malformed MDXTUPLE or MDXSET 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

In the IPS tab, click Protections and find the Microsoft Excel MDXTUPLE and MDXSET Records Heap Overflow (MS10-017) protection using the Search tool and Edit the protection's settings.
Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name: Content Protection Violation.
Attack Information: Microsoft Excel MDXTUPLE and MDXSET records heap overflow (MS10-017)