Check Point Advisories

Microsoft Word RTF Parsing Engine Memory Corruption (MS10-056; CVE-2010-1901)

Check Point Reference: CPAI-2010-236
Date Published: 10 Aug 2010
Severity: Critical
Last Updated: Tuesday 21 June, 2011
Source:
Industry Reference:CVE-2010-1901
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description Microsoft Word is a popular word processing software. A remote code execution vulnerability has been identified in Microsoft Word. The vulnerability is due to insufficient data validation by Microsoft Office Word when handling rich text data. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted Rich Text Format (.rtf) file in Word. Successful exploitation of this issue may corrupt system memory allowing execution of arbitrary code on a vulnerable system.

Protection Overview

This protection will detect and block the transferring of malformed Word RTF 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 Word RTF Parsing Engine Memory Corruption (MS10-056) 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 Word RTF parsing engine memory corruption (MS10-056)

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