Microsoft WinHTTP Server Name Mismatch Certificate Validation Security Bypass Vulnerability

Bugtraq ID:	34437
Class:	Design Error
CVE:	CVE-2009-0089
Remote:	Yes
Local:	No
Published:	Apr 14 2009 12:00AM
Updated:	Apr 14 2009 10:36PM
Credit:	Wan-Teh Chang and Cem Paya of Google
Vulnerable:	Microsoft Windows XP Tablet PC Edition SP3 Microsoft Windows XP Tablet PC Edition SP2 Microsoft Windows XP Tablet PC Edition SP1 Microsoft Windows XP Tablet PC Edition Microsoft Windows XP Professional x64 Edition SP2 Microsoft Windows XP Professional x64 Edition Microsoft Windows XP Professional SP2 Microsoft Windows XP Professional SP1 Microsoft Windows XP Professional Microsoft Windows XP Media Center Edition SP3 Microsoft Windows XP Media Center Edition SP2 Microsoft Windows XP Media Center Edition SP1 Microsoft Windows XP Media Center Edition Microsoft Windows XP Home SP3 Microsoft Windows XP Home SP2 Microsoft Windows XP Home SP1 Microsoft Windows XP Home Microsoft Windows XP Embedded SP3 Microsoft Windows XP Embedded SP2 Microsoft Windows XP Embedded SP1 Microsoft Windows XP Embedded Microsoft Windows XP 64-bit Edition SP1 Microsoft Windows XP 64-bit Edition Microsoft Windows XP 0 Microsoft Windows Vista x64 Edition 0 Microsoft Windows Vista Ultimate 64-bit edition 0 Microsoft Windows Vista Home Premium 64-bit edition 0 Microsoft Windows Vista Home Basic 64-bit edition 0 Microsoft Windows Vista Enterprise 64-bit edition 0 Microsoft Windows Vista Business 64-bit edition 0 Microsoft Windows Vista Ultimate Microsoft Windows Vista Home Premium Microsoft Windows Vista Home Basic Microsoft Windows Vista Enterprise Microsoft Windows Vista Business Microsoft Windows Vista 0 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 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 Terminal Services SP2 + Microsoft Windows 2000 Advanced Server SP2 + Microsoft Windows 2000 Datacenter Server SP2 + Microsoft Windows 2000 Server SP2 Microsoft Windows 2000 Terminal Services SP1 + Microsoft Windows 2000 Advanced Server SP1 + Microsoft Windows 2000 Datacenter Server SP1 + Microsoft Windows 2000 Server SP1 Microsoft Windows 2000 Professional SP4 Microsoft Windows 2000 Professional SP3 Microsoft Windows 2000 Professional SP2 Microsoft Windows 2000 Professional SP1 Microsoft Windows 2000 Professional
Not Vulnerable:

Microsoft WinHTTP Server Name Mismatch Certificate Validation Security Bypass Vulnerability

Microsoft Windows HTTP Services (WinHTTP) is prone to a security-bypass vulnerability because of an error in verifying website certificates.

Successfully exploiting this issue allows attackers to perform man-in-the-middle attacks or impersonate trusted servers, which will aid in further attacks.

Microsoft WinHTTP Server Name Mismatch Certificate Validation Security Bypass Vulnerability

Currently we are not aware of any working exploits. If you feel we are in error or if you are aware of more recent information, please mail us at: [email protected].

Microsoft WinHTTP Server Name Mismatch Certificate Validation Security Bypass Vulnerability

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


Microsoft Windows Server 2003 Datacenter Edition SP1

• Microsoft Security Update for Windows Server 2003 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=42509f5a-d0f9 -444a-9445-5eabdb555011

Microsoft Windows XP Media Center Edition SP2

• Microsoft Security Update for Windows XP (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=35af4151-1858 -4c9a-85e4-9ff45feca1a4

Microsoft Windows Server 2003 Itanium SP1

• Microsoft Security Update for Windows Server 2003 for Itanium-based Systems (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=05e33cc5-cff6 -4c71-be71-285f66a95e01

Microsoft Windows Server 2003 Enterprise Edition Itanium SP1

• Microsoft Security Update for Windows Server 2003 for Itanium-based Systems (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=05e33cc5-cff6 -4c71-be71-285f66a95e01

Microsoft Windows Vista x64 Edition 0

• Microsoft Security Update for Windows Vista for x64-based Systems (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=7ceef2d0-f316 -48d1-aecc-d74f91cc5e1f

Microsoft Windows Server 2003 Datacenter x64 Edition SP2

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=7373ea32-bc2e -49f1-8b9f-4eeda5acc74c

Microsoft Windows XP Tablet PC Edition SP2

• Microsoft Security Update for Windows XP (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=35af4151-1858 -4c9a-85e4-9ff45feca1a4

Microsoft Windows XP Media Center Edition SP3

• Microsoft Security Update for Windows XP (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=35af4151-1858 -4c9a-85e4-9ff45feca1a4

Microsoft Windows Server 2003 Web Edition SP2

• Microsoft Security Update for Windows Server 2003 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=42509f5a-d0f9 -444a-9445-5eabdb555011

Microsoft Windows Vista Home Premium

• Microsoft Security Update for Windows Vista (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=f071d770-3b6b -4040-9911-d4de8cde4c68

Microsoft Windows Server 2003 Standard Edition SP1

• Microsoft Security Update for Windows Server 2003 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=42509f5a-d0f9 -444a-9445-5eabdb555011

Microsoft Windows Server 2003 x64 SP1

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=7373ea32-bc2e -49f1-8b9f-4eeda5acc74c

Microsoft Windows Vista Enterprise

• Microsoft Security Update for Windows Vista (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=f071d770-3b6b -4040-9911-d4de8cde4c68

Microsoft Windows XP Professional x64 Edition SP2

• Microsoft Security Update for Windows XP x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=49b16f0f-f6c3 -4ca8-8041-392f4f7b5bbb

Microsoft Windows Vista 0

• Microsoft Security Update for Windows Vista (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=f071d770-3b6b -4040-9911-d4de8cde4c68

Microsoft Windows Vista Business

• Microsoft Security Update for Windows Vista (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=f071d770-3b6b -4040-9911-d4de8cde4c68

Microsoft Windows Server 2003 x64 SP2

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=7373ea32-bc2e -49f1-8b9f-4eeda5acc74c

Microsoft Windows Server 2003 Enterprise x64 Edition

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=7373ea32-bc2e -49f1-8b9f-4eeda5acc74c

Microsoft Windows XP Tablet PC Edition SP3

• Microsoft Security Update for Windows XP (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=35af4151-1858 -4c9a-85e4-9ff45feca1a4

Microsoft Windows Server 2003 Datacenter x64 Edition

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=7373ea32-bc2e -49f1-8b9f-4eeda5acc74c

Microsoft Windows Server 2003 Enterprise Edition SP1

• Microsoft Security Update for Windows Server 2003 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=42509f5a-d0f9 -444a-9445-5eabdb555011

Microsoft Windows Vista Home Basic

• Microsoft Security Update for Windows Vista (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=f071d770-3b6b -4040-9911-d4de8cde4c68

Microsoft Windows Vista Ultimate

• Microsoft Security Update for Windows Vista (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=f071d770-3b6b -4040-9911-d4de8cde4c68

Microsoft Windows Server 2003 SP2

• Microsoft Security Update for Windows Server 2003 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=42509f5a-d0f9 -444a-9445-5eabdb555011

Microsoft Windows Server 2003 Standard Edition SP2

• Microsoft Security Update for Windows Server 2003 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=42509f5a-d0f9 -444a-9445-5eabdb555011

Microsoft Windows XP Home SP2

• Microsoft Security Update for Windows XP (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=35af4151-1858 -4c9a-85e4-9ff45feca1a4

Microsoft Windows Server 2003 SP1

• Microsoft Security Update for Windows Server 2003 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=42509f5a-d0f9 -444a-9445-5eabdb555011

Microsoft Windows Server 2003 Itanium SP2

• Microsoft Security Update for Windows Server 2003 for Itanium-based Systems (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=05e33cc5-cff6 -4c71-be71-285f66a95e01

Microsoft Windows XP Professional x64 Edition

• Microsoft Security Update for Windows XP x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=49b16f0f-f6c3 -4ca8-8041-392f4f7b5bbb

Microsoft Windows Server 2003 Web Edition SP1

• Microsoft Security Update for Windows Server 2003 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=42509f5a-d0f9 -444a-9445-5eabdb555011

Microsoft Windows XP Home SP3

• Microsoft Security Update for Windows XP (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=35af4151-1858 -4c9a-85e4-9ff45feca1a4

Microsoft Windows XP Professional SP2

• Microsoft Security Update for Windows XP (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=35af4151-1858 -4c9a-85e4-9ff45feca1a4

Microsoft Windows Server 2003 Datacenter Edition Itanium SP1

• Microsoft Security Update for Windows Server 2003 for Itanium-based Systems (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=05e33cc5-cff6 -4c71-be71-285f66a95e01

Microsoft Windows Server 2003 Standard x64 Edition

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=7373ea32-bc2e -49f1-8b9f-4eeda5acc74c

Microsoft Windows Server 2003 Enterprise x64 Edition SP2

• Microsoft Security Update for Windows Server 2003 x64 Edition (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=7373ea32-bc2e -49f1-8b9f-4eeda5acc74c

Microsoft Windows 2000 Professional SP4

• Microsoft Security Update for Windows 2000 (KB960803)
  http://www.microsoft.com/downloads/details.aspx?familyid=39d5468e-5733 -4c3e-9e75-3adac8ac8cb9

Microsoft WinHTTP Server Name Mismatch Certificate Validation Security Bypass Vulnerability

References:

• Microsoft Homepage (Microsoft)
  
• Microsoft Security Bulletin MS09-013 (Microsoft)