Check Point Advisories

Microsoft DNS Server Denial of Service - Specific (MS12-017; CVE-2012-0006)

Check Point Reference: CPAI-2013-1308
Date Published: 17 Jan 2013
Severity: Critical
Last Updated: Sunday 12 January, 2014
Source:
Industry Reference:CVE-2012-0006
Protection Provided by:

Security Gateway
R81, R80, R77, R75
Who is Vulnerable?
Vulnerability Description A denial of service vulnerability has been reported in Microsoft DNS servers. The vulnerability is due to the way that the DNS server improperly handles objects in memory when looking up the resource record of a domain. A remote attacker may exploit this issue by sending a specially crafted DNS query to a DNS server. Successful exploitation may cause the server to crash, resulting in a denial of service condition.

Protection Overview

IPS will detect and block specially crafted DNS responses.

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

  1. In the IPS tab, click Protections and find the Microsoft DNS Server Denial of Service - Specific (MS12-017) 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:  DNS Enforcement Violation.
Attack Information:  Microsoft DNS server denial of service - specific (MS12-017)

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