Check Point Advisories

Microsoft Office Excel Record Parsing Use After Free (MS11-072; CVE-2011-1986)

Check Point Reference: CPAI-2012-415
Date Published: 21 Oct 2012
Severity: High
Last Updated:
Source: CVE-2011-1986
Protection Provided by:

Security Gateway

Who is Vulnerable? Microsoft Excel 2003
Vulnerability Description A remote code execution vulnerability has been reported in Microsoft Office Excel.
Update/Patch AvaliableApply patches from: MS11-072
Vulnerability DetailsThe vulnerability is due to lack of validation of certain record structures while handling specially crafted Excel files. A remote attacker could trigger this vulnerability by enticing an unsuspecting user to open a webpage containing a malicious Excel file. Successful exploitation would allow an attacker to gain complete control over an affected system, in the security context of the local user.

Protection Overview

This protection will detect and block attempts to exploit this vulnerability.

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 Office Excel Record Parsing Use After Free (MS11-072) 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 Office Excel Record Parsing Use After Free (MS11-072)

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