Check Point Advisories

Novell Netware XNFS.NLM Stack Buffer Overflow (CVE-2010-4227)

Vulnerability
Protection

Check Point Reference:	CPAI-2011-283
Date Published:	7 Jun 2011
Severity:	Critical
Last Updated:	Tuesday 07 June, 2011
Source:
Industry Reference:	CVE-2010-4227
Protection Provided by:	Security Gateway R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description	Novell Netware is a network operating system developed by Novell. It provides file sharing and other services such as printing and email. A stack buffer overflow vulnerability exists in Novell Netware product. A remote attacker could trigger this flaw by sending a malicious NFS RPC request to the server. In a successful attack scenario, the attacker can execute arbitrary code within the context of the root user.

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 Netware XNFS.NLM Stack 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: SUN-RPC Enforcement Protection.
Attack Information: Novell Netware XNFS.NLM stack buffer overflow