Check Point Advisories

Microsoft Excel XLS File Memory Corruption

Check Point Reference: CPAI-2012-083
Date Published: 19 Mar 2012
Severity: High
Last Updated: Thursday 28 March, 2024
Source:
Protection Provided by:

Security Gateway
R75

Who is Vulnerable? Microsoft Excel 95
Microsoft Excel 97
Microsoft Excel 2000
Microsoft Excel 2001
Microsoft Excel 2002
Microsoft Excel 2003
Vulnerability Description A memory corruption vulnerability has been reported in Microsoft Excel.
Vulnerability DetailsThe vulnerability is due to insufficient validation of string value by the application. a remote attacker may exploit this vulnerability by enticing a target user to open a specially crafted XLS media file. Successful exploitation of this issue will cause the application to crash and could allow an attacker to take complete control of an affected system.

Protection Overview

This protection will detect and block the transferring of malformed XLS media files.

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

Security Gateway R75 / R71 / R70

  1. In the IPS tab, click Protections and find the Microsoft Excel XLS File Memory Corruption protection using the Search tool and Edit the protection's settings.
  2. Install policy on all modules.

SmartView Tracker will log the following entries:
Attack Name: Content Protection Violation
Attack Information: Microsoft Excel XLS file memory corruption

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