Check Point Advisories

Novell NetMail NMAP STOR Command Buffer Overflow (CVE-2006-6424)

Vulnerability
Protection

Check Point Reference:	CPAI-2007-018
Date Published:	30 Jan 2007
Severity:	Medium
Last Updated:	Tuesday 30 January, 2007
Source:
Industry Reference:	CVE-2006-6424
Protection Provided by:	Security Gateway R81, R80, R77, R75, R71, R70, R65
Who is Vulnerable?
Vulnerability Description	Novell NetMail is an electronic mail server product that supports various email access and exchange protocols, including IMAP (Internet Message Access Protocol) and NMAP (Network Messaging Application Protocol). An attacker can cause a denial of service condition or execute arbitrary code on an affected system via a specially crafted STOR command. Successful exploitation may allow the attacker to take complete control over a vulnerable system.

Protection Overview

This protection will detect and block malformed Novell NMAP STOR commands.The detect mode makes it possible to track unauthorized traffic without blocking it.

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 Novell NetMail NMAP STOR Command 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: Novell NMAP Protocol Violation.
Attack Information: Novell NMAP Protocol Violation