Check Point Advisories

Novell GroupWise Internet Agent Content-Type Buffer Overflow

Vulnerability
Protection

Check Point Reference:	CPAI-2011-088
Date Published:	20 Mar 2011
Severity:	Critical
Last Updated:	Sunday 20 March, 2011
Source:
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Novell GroupWise is a client-server collaborative software and email system provided by Novell. Novell GroupWise Internet Agent is a component of Novell GroupWise and provides email services, supporting SMTP, POP, and IMAP protocols. A buffer overflow vulnerability has been reported in Novell GroupWise Internet Agent (GWIA). The vulnerability is due to an error within the Novell GroupWise Internet Agent that fails to properly validate data received within the "Content-Type" header of received messages. A remote attacker could exploit this issue by sending a malicious message to the target. Successful exploitation of this vulnerability could result in arbitrary code execution on an affected system.

Protection Overview

This protection detects and blocks messages with malicious "Content-Type" headers sent to the Novell GroupWise Internet Agent.

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 Novell GroupWise Internet Agent Content-Type Buffer Overflow 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: SMTP Protection Violation.
Attack Information: Novell GroupWise Internet Agent Content-Type buffer overflow