Check Point Advisories

Microsoft Exchange and Outlook TNEF Decoding Code Execution (CVE-2006-0002)

Vulnerability
Protection

Check Point Reference:	CPAI-2013-816
Date Published:	7 Jan 2013
Severity:	Critical
Last Updated:	Monday 07 January, 2013
Source:
Industry Reference:	CVE-2006-0002
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	A buffer overflow vulnerability exists in the way Microsoft Exchange and Microsoft Outlook process TNEF encoded messages. When the TNEF decoder used by these products processes a TNEF object record with a large size value, an integer overflow can occur. An attacker potentially can exploit this vulnerability for code execution by sending a specially crafted email to a target server or email account.

Protection Overview

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

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 Exchange and Outlook TNEF Decoding Code Execution 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: NNTP Protection Violation.
Attack Information: Microsoft Exchange and Outlook TNEF decoding code execution