Check Point Advisories

Microsoft Office File Malformed String Parsing Buffer Overflow(MS06-038; CVE-2006-1540)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-263
Date Published:	17 May 2011
Severity:	High
Last Updated:	Tuesday 17 December, 2013
Source:
Industry Reference:	CVE-2006-1540
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Microsoft Office is a popular productivity application suite released by Microsoft Corporation. It includes a word processor, a spreadsheet application, a presentation editor, and a number of other applications and components. A memory corruption vulnerability has been reported in several Microsoft Office applications. The vulnerability is due to insufficient validation when handling malformed strings in Office Document files. A remote attacker may exploit this issue by enticing a user to open a crafted Office Document. Successful exploitation of this vulnerability can lead to the injection and execution arbitrary code within the security context of the currently logged in user and may cause the vulnerable Microsoft Office application to terminate.

Protection Overview

This protection will detect and block the transferring of malformed Office 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

In the IPS tab, click Protections and find the Microsoft Office File Malformed String Parsing Buffer Overflow(MS06-038) 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 Office file malformed string parsing buffer overflow