Check Point Advisories

Microsoft Word RTF Object Parsing Remote Code Execution (MS08-072; CVE-2008-4027)

Vulnerability
Protection

Check Point Reference:	CPAI-2008-186
Date Published:	17 Dec 2008
Severity:	Critical
Last Updated:	Monday 13 January, 2014
Source:
Industry Reference:	CVE-2008-4027
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 a memory calculation error in Microsoft Word that fails to properly handle specially crafted 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 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

In the IPS tab, click Protections and find the Microsoft Word RTF Object Parsing Remote Code Execution (MS08-072) 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 Word RTF object parsing remote code execution (MS08-072)