Check Point Reference:CPAI-2013-1308
Date Published: 20 Feb 2013
Severity: Critical
Last Updated:
Source: CVE-2012-0006
Protection Provided by:

Security Gateway
R75

Who is Vulnerable? Windows Server 2003 Service Pack 2
Windows Server 2003 x64 Edition Service Pack 2
Windows Server 2003 with SP2 for Itanium-based Systems
Windows Server 2008 for 32-bit Systems Service Pack 2
Windows Server 2008 for x64-based Systems Service Pack 2
Windows Server 2008 R2 for x64-based Systems
Windows Server 2008 R2 for x64-based Systems Service Pack 1
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.
Update/Patch AvaliableApply patches from: MS12-017

Protection Overview

IPS will detect and block specially crafted DNS responses.


  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 modules.


SmartView Tracker will log the following entries:
Attack Name: DNS Enforcement Violation
Attack Information: Microsoft DNS Server Denial of Service - Specific (MS12-017)