Microsoft Windows TCP/IP Stack Reference Counter Integer Overflow Vulnerability

Bugtraq ID:	50517
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2011-2013
Remote:	Yes
Local:	No
Published:	Nov 08 2011 12:00AM
Updated:	Nov 15 2011 12:48AM
Credit:	Microsoft
Vulnerable:	Microsoft Windows Vista x64 Edition SP2 Microsoft Windows Vista x64 Edition SP1 Microsoft Windows Vista x64 Edition 0 Microsoft Windows Vista Ultimate 64-bit edition SP2 Microsoft Windows Vista Ultimate 64-bit edition SP1 Microsoft Windows Vista Ultimate 64-bit edition 0 Microsoft Windows Vista Home Premium 64-bit edition SP2 Microsoft Windows Vista Home Premium 64-bit edition SP1 Microsoft Windows Vista Home Premium 64-bit edition 0 Microsoft Windows Vista Home Basic 64-bit edition Sp2 X64 Microsoft Windows Vista Home Basic 64-bit edition SP2 Microsoft Windows Vista Home Basic 64-bit edition Sp1 X64 Microsoft Windows Vista Home Basic 64-bit edition SP1 Microsoft Windows Vista Home Basic 64-bit edition 0 Microsoft Windows Vista Enterprise 64-bit edition SP2 Microsoft Windows Vista Enterprise 64-bit edition SP1 Microsoft Windows Vista Enterprise 64-bit edition 0 Microsoft Windows Vista Business 64-bit edition X86-Ultimate Microsoft Windows Vista Business 64-bit edition X86-Enterprise Microsoft Windows Vista Business 64-bit edition X64-Ultimate Microsoft Windows Vista Business 64-bit edition X64-Enterprise Microsoft Windows Vista Business 64-bit edition SP2 Microsoft Windows Vista Business 64-bit edition Sp1 X86-Ultimate Microsoft Windows Vista Business 64-bit edition Sp1 X86-Enterprise Microsoft Windows Vista Business 64-bit edition Sp1 X64-Ultimate Microsoft Windows Vista Business 64-bit edition Sp1 X64-Home Premium Microsoft Windows Vista Business 64-bit edition Sp1 X64-Enterprise Microsoft Windows Vista Business 64-bit edition SP1 Microsoft Windows Vista Business 64-bit edition 0 Microsoft Windows Vista Ultimate SP2 Microsoft Windows Vista Ultimate SP1 Microsoft Windows Vista Ultimate Microsoft Windows Vista SP2 Microsoft Windows Vista SP1 Microsoft Windows Vista Home Premium SP2 Microsoft Windows Vista Home Premium SP1 Microsoft Windows Vista Home Premium Microsoft Windows Vista Home Basic SP2 Microsoft Windows Vista Home Basic SP1 Microsoft Windows Vista Home Basic Microsoft Windows Vista Enterprise SP2 Microsoft Windows Vista Enterprise SP1 Microsoft Windows Vista Enterprise Microsoft Windows Vista Business SP2 Microsoft Windows Vista Business SP1 Microsoft Windows Vista Business Microsoft Windows Server 2008 Standard Edition X64 Microsoft Windows Server 2008 Standard Edition SP2 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 - 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 0 Microsoft Windows Server 2008 R2 Microsoft Windows 7 Professional 0 Microsoft Windows 7 Home Premium 0 Microsoft Windows 7 Home Premium - Sp1 X64 Microsoft Windows 7 Home Premium - Sp1 X32 Microsoft Windows 7 for x64-based Systems SP1 Microsoft Windows 7 for x64-based Systems 0 Microsoft Windows 7 for 32-bit Systems SP1 Microsoft Windows 7 for 32-bit Systems 0
Not Vulnerable:

Microsoft Windows TCP/IP Stack Reference Counter Integer Overflow Vulnerability

Microsoft Windows is prone to a remote integer-overflow vulnerability that affects the TCP/IP stack.

An attacker can exploit this issue to execute arbitrary code with kernel-level privileges. Successful exploits will completely compromise affected computers. Failed exploit attempts may result in a denial-of-service condition.

Microsoft Windows TCP/IP Stack Reference Counter Integer Overflow Vulnerability

The following proof-of-concept is available:

• /data/vulnerabilities/exploits/50517.c

Microsoft Windows TCP/IP Stack Reference Counter Integer Overflow Vulnerability

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


Microsoft Windows 7 for x64-based Systems SP1

• Microsoft Security Update for Windows 7 for x64-based Systems (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=05eef5d7-acf6 -46e4-abfc-dc83f0a7cae5

Microsoft Windows Server 2008 R2 x64 SP1

• Microsoft Security Update for Windows Server 2008 R2 x64 Edition (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=3f9f74a6-e984 -4aab-837c-ef7286e7305f

Microsoft Windows Server 2008 for 32-bit Systems SP2

• Microsoft Security Update for Windows Server 2008 (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=79382bf2-d2cb -42ea-92dc-64f949353521

Microsoft Windows Server 2008 for x64-based Systems R2

• Microsoft Security Update for Windows Server 2008 R2 x64 Edition (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=3f9f74a6-e984 -4aab-837c-ef7286e7305f

Microsoft Windows Server 2008 R2 Itanium 0

• Microsoft Security Update for Windows Server 2008 R2 for Itanium-based Systems (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=b20bfcbd-a515 -4074-b56e-b82539fe5bad

Microsoft Windows 7 for 32-bit Systems 0

• Microsoft Security Update for Windows 7 (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=4ddb4c2a-bada -49b0-ad78-e07e7e11ced7

Microsoft Windows 7 for 32-bit Systems SP1

• Microsoft Security Update for Windows 7 (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=4ddb4c2a-bada -49b0-ad78-e07e7e11ced7

Microsoft Windows Server 2008 for Itanium-based Systems SP2

• Microsoft Security Update for Windows Server 2008 for Itanium-based Systems (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=b1c0cb05-c284 -49b1-ae4f-92813fdf520f

Microsoft Windows 7 for x64-based Systems 0

• Microsoft Security Update for Windows 7 for x64-based Systems (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=05eef5d7-acf6 -46e4-abfc-dc83f0a7cae5

Microsoft Windows Server 2008 for x64-based Systems SP2

• Microsoft Security Update for Windows Server 2008 x64 Edition (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=71ff3a89-d7ad -4dda-9e59-fab54b21bd5d

Microsoft Windows Server 2008 R2 Itanium SP1

• Microsoft Security Update for Windows Server 2008 R2 for Itanium-based Systems (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=b20bfcbd-a515 -4074-b56e-b82539fe5bad

Microsoft Windows Vista SP2

• Microsoft Security Update for Windows Vista (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=fc3fe87c-2493 -431d-a904-dec9310f6042

Microsoft Windows Server 2008 R2 for x64-based Systems SP1 0

• Microsoft Security Update for Windows Server 2008 R2 x64 Edition (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=3f9f74a6-e984 -4aab-837c-ef7286e7305f

Microsoft Windows Vista x64 Edition SP2

• Microsoft Security Update for Windows Vista for x64-based Systems (KB2588516)
  http://www.microsoft.com/downloads/details.aspx?familyid=042c1a8f-834d -4eed-8a59-9e030ccc6d39

Microsoft Windows TCP/IP Stack Reference Counter Integer Overflow Vulnerability

References:

• Assessing the exploitability of MS11-083 (Microsoft)
  
• Microsoft Homepage (Microsoft)
  
• ASA-2011-343 MS11-083 Vulnerability in TCP/IP Could Allow Remote Code Execution (Avaya)
  
• Microsoft Security Bulletin MS11-083 (Microsoft)