Check Point Advisories

Microsoft Windows NFS Server NULL Pointer Dereference (MS13-014; CVE-2013-1281)

Check Point Reference: CPAI-2013-1324
Date Published: 12 Mar 2013
Severity: Medium
Last Updated: Tuesday 12 March, 2013
Source:
Industry Reference:CVE-2013-1281
Protection Provided by:

Security Gateway
R81, R80, R77, R75, R71, R70
Who is Vulnerable?
Vulnerability Description A NULL pointer dereference vulnerability exists in Microsoft Windows' NFS server implementation.
The vulnerability is due to incorrect handling of a non-permitted operation. A remote attacker could trigger this flaw by mounting an NFS share that is exported as read-only and then issue a RENAME command on a file in that share, a NULL pointer dereference occurs. This causes the vulnerable system to crash, causing a denial-of-service condition.

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 / R71 / R70

  1. In the IPS tab, click Protections and find the Microsoft Windows NFS Server NULL Pointer Dereference (MS13-014) protection using the Search tool and Edit the protection's settings.
  2. Install policy on all Security Gateways.

This protection's log will contain the following information:

Attack Name:  NFS Protection Violation.
Attack Information:  Microsoft Windows NFS Server NULL Pointer Dereference (MS13-014)

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