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:	Thursday 09 January, 2025
Source:	CVE-2006-0002
Protection Provided by:	Security Gateway R75
Who is Vulnerable?	Microsoft Exchange Server 5.0 Microsoft Exchange Server 5.5 Microsoft Exchange Server 2000 Microsoft Outlook 2000 Microsoft Outlook 2002 Microsoft Outlook 2003
Vulnerability Description	A buffer overflow vulnerability exists in the way Microsoft Exchange and Microsoft Outlook process TNEF encoded messages.
Vulnerability Details	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 product to the latest update. For information on how to update , go to SBP-2006-05, Protection tab and select the version of your choice.

Security Gateway R75 / R71 / R70

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 modules.

SmartView Tracker will log the following entries:
Attack Name: Mail Content Protection Violation
Attack Information: Microsoft Exchange and Outlook TNEF Decoding Code Execution