Check Point Advisories

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

Check Point Reference: CPAI-2012-087
Date Published: 12 Mar 2012
Severity: High
Last Updated: Thursday 18 April, 2024
Source: CVE-2012-0006
Protection Provided by:

Security Gateway
R70

  • R71
  • 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.
    Update/Patch AvaliableApply patches from: MS12-017
    Vulnerability DetailsThe 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, Protection tab and select the version of your choice.

    Security Gateway R75 / R71 / R70

    1. In the IPS tab, click Protections, find the Microsoft DNS Server Denial of Service (MS12-017) protection using the Search tool and double-click on the protection. 
    2. In the Protection Details window, select the required profile and then click on Edit. Choose the protection's Action (Override IPS Policy with: Prevent/Detect), and apply Additional Settings. 
    3. Configure the protection to your requirements. 
    4. Install policy on all modules.

      5. SmartView Tracker will log the following entries:
      Attack Name: DNS Enforcement Violation
      Attack Information: Microsoft DNS server denial of service (MS12-017)

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