Microsoft Windows WINS Server Network Packet Remote Heap Buffer Overflow Vulnerability

Bugtraq ID:	35980
Class:	Boundary Condition Error
CVE:	CVE-2009-1923
Remote:	Yes
Local:	No
Published:	Aug 11 2009 12:00AM
Updated:	Aug 21 2009 03:50PM
Credit:	TippingPoint and the Zero Day Initiative
Vulnerable:	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 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 Itanium 0 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 Beta 1 Microsoft Windows Server 2003 Datacenter Edition Itanium SP1 Microsoft Windows Server 2003 Datacenter Edition Itanium 0 Microsoft Windows Server 2003 Datacenter Edition SP1 Microsoft Windows Server 2003 Datacenter Edition Microsoft Windows Server 2003 SP2 Microsoft Windows Server 2003 SP1 Microsoft Windows 2000 Professional SP4 Microsoft Windows 2000 Professional SP3 Microsoft Windows 2000 Professional SP2 Microsoft Windows 2000 Professional SP1 Microsoft Windows 2000 Datacenter Server SP4 Microsoft Windows 2000 Datacenter Server SP3 Microsoft Windows 2000 Datacenter Server SP2 Microsoft Windows 2000 Datacenter Server SP1 Microsoft Windows 2000 Datacenter Server Microsoft Windows 2000 Advanced Server SP4 Microsoft Windows 2000 Advanced Server SP3 Microsoft Windows 2000 Advanced Server SP2 Microsoft Windows 2000 Advanced Server SP1 Microsoft Windows 2000 Advanced Server
Not Vulnerable:

Microsoft Windows WINS Server Network Packet Remote Heap Buffer Overflow Vulnerability

The Microsoft Windows WINS Server is prone to a remote heap-based buffer-overflow vulnerability because the application fails to perform adequate boundary checks on user-supplied data.

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

Microsoft Windows WINS Server Network Packet Remote Heap Buffer Overflow Vulnerability

ISC SANS has reported that this issue is being actively exploited in the wild. Note that Symantec has not confirmed any active exploits.

Microsoft Windows WINS Server Network Packet Remote Heap Buffer Overflow Vulnerability

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


Microsoft Windows 2000 Advanced Server SP4

• Microsoft Security Update for Windows 2000 (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=b5b9228a-66c0 -49e6-afde-cc2825a6851f

Microsoft Windows Server 2003 SP2

• Microsoft Security Update for Windows Server 2003 (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=3a8d8ef9-ad41 -4237-9cbb-daecfd8f216c

Microsoft Windows Server 2003 Datacenter x64 Edition SP2

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=e132d051-4444 -4ef1-9b6f-2d7da9d2e88e

Microsoft Windows Server 2003 Standard Edition SP2

• Microsoft Security Update for Windows Server 2003 (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=3a8d8ef9-ad41 -4237-9cbb-daecfd8f216c

Microsoft Windows 2000 Datacenter Server SP4

• Microsoft Security Update for Windows 2000 (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=b5b9228a-66c0 -49e6-afde-cc2825a6851f

Microsoft Windows Server 2003 Itanium SP2

• Microsoft Security Update for Windows Server 2003 for Itanium-based Systems (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=96c3f496-7b2f -4dbc-b484-216c9943c2b1

Microsoft Windows Server 2003 Web Edition SP2

• Microsoft Security Update for Windows Server 2003 (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=3a8d8ef9-ad41 -4237-9cbb-daecfd8f216c

Microsoft Windows Server 2003 x64 SP2

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=e132d051-4444 -4ef1-9b6f-2d7da9d2e88e

Microsoft Windows Server 2003 Enterprise x64 Edition SP2

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=e132d051-4444 -4ef1-9b6f-2d7da9d2e88e

Microsoft Windows 2000 Professional SP4

• Microsoft Security Update for Windows 2000 (KB969883)
  http://www.microsoft.com/downloads/details.aspx?familyid=b5b9228a-66c0 -49e6-afde-cc2825a6851f

Microsoft Windows WINS Server Network Packet Remote Heap Buffer Overflow Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• MS09-039 exploit in the wild? (ISC SANS)
  
• MS09-039: More information about the WINS security bulletin (Microsoft)
  
• ZDI-09-053: Microsoft Windows WINS Service Heap Overflow Vulnerability (ZDI Disclosures )
  
• Microsoft Security Bulletin MS09-039 (Microsoft)