Staying Safe in Times of Cyber Uncertainty
Check Point Advisories

Microsoft Word RTF Control Word Handling Integer Overflow (MS08-072; CVE-2008-4025)

Check Point Reference: CPAI-2008-177
Date Published: 9 Dec 2008
Severity: Critical
Last Updated: Tuesday 09 December, 2008
Source:
Industry Reference:CVE-2008-4025
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70, R65

Who is Vulnerable?
Vulnerability Description Rich Text Format (RTF) provides a format for text and graphics interchange that can be used with different operating systems. OLE is the technology that applications use to create and edit compound documents. By using OLE technology, an application can provide embedding and linking support. A remote code execution vulnerability has been identified in Microsoft Word.The vulnerability is due to a memory calculation error in Microsoft Word that fails to properly process malformed control words in Rich Text Format (.rtf) files. A remote attacker could trigger this flaw by convincing a victim to open a specially crafted RTF file in Word. Successful exploitation of this vulnerability may allow execution of arbitrary code on a target system.

Protection Overview

This protection will detect and block the transferring of malformed 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 Control Word Handling Integer Overflow (MS08-072) 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 control word handling integer overflow (MS08-072)

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