Microsoft Windows DNS Server Uninitialized Memory Remote Denial of Service Vulnerability

Bugtraq ID:	49019
Class:	Design Error
CVE:	CVE-2011-1970
Remote:	Yes
Local:	No
Published:	Aug 09 2011 12:00AM
Updated:	Aug 09 2011 12:00AM
Credit:	Microsoft
Vulnerable:	Microsoft Windows Server 2008 Standard Edition SP2 Microsoft Windows Server 2008 Standard Edition Release Candidate Microsoft Windows Server 2008 Standard Edition R2 SP1 Microsoft Windows Server 2008 Standard Edition R2 Microsoft Windows Server 2008 Standard Edition Itanium Microsoft Windows Server 2008 Standard Edition 0 Microsoft Windows Server 2008 Standard Edition - Sp2 Web Microsoft Windows Server 2008 Standard Edition - Sp2 Storage Microsoft Windows Server 2008 Standard Edition - Sp2 Hpc Microsoft Windows Server 2008 Standard Edition - Gold Web Microsoft Windows Server 2008 Standard Edition - Gold Storage Microsoft Windows Server 2008 Standard Edition - Gold Standard Microsoft Windows Server 2008 Standard Edition - Gold Itanium Microsoft Windows Server 2008 Standard Edition - Gold Hpc Microsoft Windows Server 2008 Standard Edition - Gold Enterprise Microsoft Windows Server 2008 Standard Edition - Gold Datacenter Microsoft Windows Server 2008 Standard Edition - Gold Microsoft Windows Server 2008 R2 x64 SP1 Microsoft Windows Server 2008 R2 x64 0 Microsoft Windows Server 2008 R2 Standard Edition 0 Microsoft Windows Server 2008 R2 Itanium SP1 Microsoft Windows Server 2008 R2 Itanium 0 Microsoft Windows Server 2008 R2 for x64-based Systems SP1 0 Microsoft Windows Server 2008 R2 Enterprise Edition 0 Microsoft Windows Server 2008 R2 Datacenter SP1 Microsoft Windows Server 2008 R2 Datacenter 0 Microsoft Windows Server 2008 for x64-based Systems SP2 Microsoft Windows Server 2008 for x64-based Systems R2 Microsoft Windows Server 2008 for x64-based Systems 0 Microsoft Windows Server 2008 for Itanium-based Systems SP2 Microsoft Windows Server 2008 for Itanium-based Systems R2 Microsoft Windows Server 2008 for Itanium-based Systems 0 Microsoft Windows Server 2008 for 32-bit Systems SP2 Microsoft Windows Server 2008 for 32-bit Systems 0 Microsoft Windows Server 2008 Enterprise Edition SP2 Microsoft Windows Server 2008 Enterprise Edition Release Candidate Microsoft Windows Server 2008 Enterprise Edition 0 Microsoft Windows Server 2008 Datacenter Edition SP2 Microsoft Windows Server 2008 Datacenter Edition Release Candidate Microsoft Windows Server 2008 Datacenter Edition 0 Microsoft Windows Server 2008 SP2 Beta Microsoft Windows Server 2008 - Sp2 Enterprise X64 Microsoft Windows Server 2003 x64 SP2 Microsoft Windows Server 2003 x64 SP1 Microsoft Windows Server 2003 Web Edition SP2 Microsoft Windows Server 2003 Web Edition SP1 Microsoft Windows Server 2003 Web Edition Microsoft Windows Server 2003 Terminal Services 0 Microsoft Windows Server 2003 Standard x64 Edition Microsoft Windows Server 2003 Standard Edition SP2 Microsoft Windows Server 2003 Standard Edition SP1 Microsoft Windows Server 2003 Standard Edition Microsoft Windows Server 2003 Itanium SP2 Microsoft Windows Server 2003 Itanium SP1 Microsoft Windows Server 2003 Itanium 0 Microsoft Windows Server 2003 Enterprise x64 Edition SP2 Microsoft Windows Server 2003 Enterprise x64 Edition Microsoft Windows Server 2003 Enterprise Edition Itanium SP1 Microsoft Windows Server 2003 Enterprise Edition SP1 Microsoft Windows Server 2003 Enterprise Edition Microsoft Windows Server 2003 Datacenter x64 Edition SP2 Microsoft Windows Server 2003 Datacenter x64 Edition Microsoft Windows Server 2003 Datacenter Edition Itanium SP1 Microsoft Windows Server 2003 Datacenter Edition SP1 Microsoft Windows Server 2003 Datacenter Edition
Not Vulnerable:

Microsoft Windows DNS Server Uninitialized Memory Remote Denial of Service Vulnerability

The Microsoft Windows DNS Server is prone to a remote denial-of-service vulnerability.

An attacker can exploit this issue to cause the DNS server service to stop responding, denying service to legitimate users.

Microsoft Windows DNS Server Uninitialized Memory Remote Denial of Service Vulnerability

An attacker can use readily available tools to exploit this issue.

Microsoft Windows DNS Server Uninitialized Memory Remote Denial of Service Vulnerability

Solution:
The vendor has released an advisory and updates. Please see the references for details.


Microsoft Windows Server 2008 R2 x64 SP1

• Microsoft Security Update for Windows Server 2008 R2 x64 Edition (KB2562485)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27 027

Microsoft Windows Server 2008 for 32-bit Systems SP2

• Microsoft Security Update for Windows Server 2008 (KB2562485)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27 034

Microsoft Windows Server 2008 R2 x64 0

• Microsoft Security Update for Windows Server 2008 R2 x64 Edition (KB2562485)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27 027

Microsoft Windows Server 2003 Web Edition SP2

• Microsoft Security Update for Windows Server 2003 (KB2562485)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27 062

Microsoft Windows Server 2003 x64 SP2

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB2562485)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27 010

Microsoft Windows Server 2003 Standard Edition SP2

• Microsoft Security Update for Windows Server 2003 (KB2562485)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27 062

Microsoft Windows Server 2008 for x64-based Systems SP2

• Microsoft Security Update for Windows Server 2008 x64 Edition (KB2562485)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27 022

Microsoft Windows Server 2003 Itanium SP2

• Microsoft Security Update for Windows Server 2003 for Itanium-based Systems (KB2562485)
  http://www.microsoft.com/download/en/details.aspx?displaylang=en&id=27 103

Microsoft Windows DNS Server Uninitialized Memory Remote Denial of Service Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• Microsoft Security Bulletin MS11-058 - Critical (Microsoft)