Check Point Advisories

Novell GroupWise Internet Agent AUTH LOGIN Command Buffer Overflow (CVE-2009-1636)

Vulnerability
Protection

Check Point Reference:	CPAI-2009-391
Date Published:	31 Jan 2010
Severity:	Critical
Last Updated:	Sunday 31 January, 2010
Source:
Industry Reference:	CVE-2009-1636
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. There exists a stack buffer overflow vulnerability in Novell GroupWise. The vulnerability is due to an error while processing specially crafted SMTP AUTH LOGIN requests. Remote attackers can exploit this vulnerability to execute arbitrary code on the target server. In an attack case where code injection is successful, the behavior of the target is entirely dependent on the intended function of the injected code. The code in such a case would execute with the security privileges of the server. In an attack case where code injection is not successful, the affected process will terminate abnormally.

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 Novell GroupWise Internet Agent AUTH LOGIN 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: SMTP Protection Violation.
Attack Information: Novell GroupWise Internet Agent AUTH LOGIN command buffer overflow