Microsoft Windows DNS Server NAPTR Query Remote Code Execution Vulnerability

Bugtraq ID:	49012
Class:	Design Error
CVE:	CVE-2011-1966
Remote:	Yes
Local:	No
Published:	Aug 09 2011 12:00AM
Updated:	Aug 09 2011 12:00AM
Credit:	Grischa Zenge
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
Not Vulnerable:

Microsoft Windows DNS Server NAPTR Query Remote Heap Memory Corruption Vulnerability

The Microsoft Windows DNS Server is prone to a remote heap-based memory corruption vulnerability.

An attacker can exploit this issue to execute arbitrary code with SYSTEM-level privileges. Successful exploits will result in the complete compromise of affected computers.

Microsoft Windows DNS Server NAPTR Query Remote Heap Memory Corruption Vulnerability

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

Microsoft Windows DNS Server NAPTR Query Remote Heap Memory Corruption Vulnerability

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

Microsoft Windows DNS Server NAPTR Query Remote Heap Memory Corruption Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• Vulnerabilities in DNS Server Could Allow Remote Code Execution (Microsoft)
  
• Microsoft Security Bulletin MS11-058 - Critical (Microsoft)