Microsoft Internet Explorer Layout Handling Use After Free Remote Memory Corruption Vulnerability

Bugtraq ID:	47190
Class:	Failure to Handle Exceptional Conditions
CVE:	CVE-2011-0094
Remote:	Yes
Local:	No
Published:	Apr 12 2011 12:00AM
Updated:	Apr 15 2011 02:54PM
Credit:	An anonymous researcher working with VeriSign iDefense and Mitre
Vulnerable:	Microsoft Internet Explorer 7.0 + Microsoft Windows Server 2003 SP2 + Microsoft Windows Server 2003 Itanium SP2 + Microsoft Windows Server 2003 x64 SP2 + Microsoft Windows Server 2008 for 32-bit Systems SP2 + Microsoft Windows Server 2008 for 32-bit Systems 0 + Microsoft Windows Server 2008 for Itanium-based Systems SP2 + Microsoft Windows Server 2008 for Itanium-based Systems 0 + Microsoft Windows Server 2008 for x64-based Systems SP2 + Microsoft Windows Server 2008 for x64-based Systems 0 + Microsoft Windows Vista Ultimate + Microsoft Windows Vista Ultimate + Microsoft Windows Vista Ultimate + Microsoft Windows Vista Ultimate + Microsoft Windows Vista SP2 + Microsoft Windows Vista SP1 + Microsoft Windows Vista Home Premium + Microsoft Windows Vista Home Premium + Microsoft Windows Vista Home Premium + Microsoft Windows Vista Home Premium + Microsoft Windows Vista Home Premium + Microsoft Windows Vista Home Premium + Microsoft Windows Vista Home Basic + Microsoft Windows Vista Home Basic + Microsoft Windows Vista Home Basic + Microsoft Windows Vista Home Basic + Microsoft Windows Vista Home Basic + Microsoft Windows Vista Home Basic + Microsoft Windows Vista Enterprise + Microsoft Windows Vista Enterprise + Microsoft Windows Vista Enterprise + Microsoft Windows Vista Enterprise + Microsoft Windows Vista Enterprise + Microsoft Windows Vista Enterprise + Microsoft Windows Vista Business + Microsoft Windows Vista Business + Microsoft Windows Vista Business + Microsoft Windows Vista Business + Microsoft Windows Vista Business + Microsoft Windows Vista Business + Microsoft Windows Vista 0 + Microsoft Windows Vista 0 + Microsoft Windows Vista 0 + Microsoft Windows Vista 0 + Microsoft Windows Vista 0 + Microsoft Windows Vista 0 + Microsoft Windows Vista x64 Edition SP2 + Microsoft Windows Vista x64 Edition SP1 + Microsoft Windows Vista x64 Edition 0 + Microsoft Windows XP Embedded SP3 + Microsoft Windows XP Home SP3 + Microsoft Windows XP Media Center Edition SP3 + Microsoft Windows XP Professional SP3 + Microsoft Windows XP Professional x64 Edition SP2 + Microsoft Windows XP Tablet PC Edition SP3 Microsoft Internet Explorer 6.0 SP2 Microsoft Internet Explorer 6.0 SP1 Microsoft Internet Explorer 6.0 - Microsoft Windows 2000 Advanced Server SP2 - Microsoft Windows 2000 Advanced Server SP2 - Microsoft Windows 2000 Advanced Server SP2 - Microsoft Windows 2000 Advanced Server SP1 - Microsoft Windows 2000 Advanced Server SP1 - Microsoft Windows 2000 Advanced Server SP1 - Microsoft Windows 2000 Advanced Server - Microsoft Windows 2000 Advanced Server - Microsoft Windows 2000 Advanced Server - Microsoft Windows 2000 Datacenter Server SP2 - Microsoft Windows 2000 Datacenter Server SP2 - Microsoft Windows 2000 Datacenter Server SP2 - Microsoft Windows 2000 Datacenter Server SP1 - Microsoft Windows 2000 Datacenter Server SP1 - Microsoft Windows 2000 Datacenter Server SP1 - Microsoft Windows 2000 Datacenter Server - Microsoft Windows 2000 Datacenter Server - Microsoft Windows 2000 Datacenter Server - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP2 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional SP1 - Microsoft Windows 2000 Professional - Microsoft Windows 2000 Professional - Microsoft Windows 2000 Professional - Microsoft Windows 2000 Server SP2 - Microsoft Windows 2000 Server SP2 - Microsoft Windows 2000 Server SP2 - Microsoft Windows 2000 Server SP1 - Microsoft Windows 2000 Server SP1 - Microsoft Windows 2000 Server SP1 - Microsoft Windows 2000 Server - Microsoft Windows 2000 Server - Microsoft Windows 2000 Server - Microsoft Windows 2000 Terminal Services SP2 - Microsoft Windows 2000 Terminal Services SP2 - Microsoft Windows 2000 Terminal Services SP2 - Microsoft Windows 2000 Terminal Services SP1 - Microsoft Windows 2000 Terminal Services SP1 - Microsoft Windows 2000 Terminal Services SP1 - Microsoft Windows 2000 Terminal Services - Microsoft Windows 2000 Terminal Services - Microsoft Windows 2000 Terminal Services - Microsoft Windows 98 - Microsoft Windows 98 - Microsoft Windows 98 - Microsoft Windows 98SE - Microsoft Windows 98SE - Microsoft Windows 98SE - Microsoft Windows ME - Microsoft Windows ME - Microsoft Windows ME - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT 4.0 SP6a - Microsoft Windows NT Enterprise Server 4.0 SP6a - Microsoft Windows NT Enterprise Server 4.0 SP6a - Microsoft Windows NT Enterprise Server 4.0 SP6a - Microsoft Windows NT Server 4.0 SP6a - Microsoft Windows NT Server 4.0 SP6a - Microsoft Windows NT Server 4.0 SP6a - Microsoft Windows NT Terminal Server 4.0 SP6a - Microsoft Windows NT Terminal Server 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6a - Microsoft Windows NT Workstation 4.0 SP6a + Microsoft Windows Server 2003 Datacenter Edition + Microsoft Windows Server 2003 Datacenter Edition + Microsoft Windows Server 2003 Datacenter Edition + Microsoft Windows Server 2003 Datacenter Edition Itanium 0 + Microsoft Windows Server 2003 Datacenter Edition Itanium 0 + Microsoft Windows Server 2003 Enterprise Edition + Microsoft Windows Server 2003 Enterprise Edition + Microsoft Windows Server 2003 Enterprise Edition + Microsoft Windows Server 2003 Enterprise Edition Itanium 0 + Microsoft Windows Server 2003 Enterprise Edition Itanium 0 + Microsoft Windows Server 2003 Enterprise Edition Itanium 0 + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows Server 2003 Standard Edition + Microsoft Windows Server 2003 Web Edition + Microsoft Windows Server 2003 Web Edition + Microsoft Windows Server 2003 Web Edition + Microsoft Windows XP Home + Microsoft Windows XP Home + Microsoft Windows XP Home + Microsoft Windows XP Professional + Microsoft Windows XP Professional + Microsoft Windows XP Professional Avaya Messaging Application Server 5 Avaya Messaging Application Server 4 Avaya Meeting Exchange - Webportal 0 Avaya Meeting Exchange - Web Conferencing Server 0 Avaya Meeting Exchange - Streaming Server 0 Avaya Meeting Exchange - Recording Server 0 Avaya Meeting Exchange - Client Registration Server 0 Avaya Meeting Exchange 5.0 .0.52 Avaya Meeting Exchange 5.2 SP2 Avaya Meeting Exchange 5.2 SP1 Avaya Meeting Exchange 5.2 Avaya Meeting Exchange 5.1 SP1 Avaya Meeting Exchange 5.1 Avaya Meeting Exchange 5.0 SP2 Avaya Meeting Exchange 5.0 SP1 Avaya Meeting Exchange 5.0 Avaya Communication Server 1000 Telephony Manager 4.0 Avaya Communication Server 1000 Telephony Manager 3.0 Avaya CallPilot 5.0 Avaya CallPilot 4.0 Avaya Aura Conferencing 6.0 Standard Avaya Aura Conferencing 6.0 SP1 Standard
Not Vulnerable:

Microsoft Internet Explorer Layout Handling Use After Free Remote Memory Corruption Vulnerability

Microsoft Internet Explorer is prone to a remote use-after-free memory-corruption vulnerability.

Attackers can exploit this issue by enticing an unsuspecting user to view a specially crafted webpage.

Successfully exploiting this issue may allow attackers to execute arbitrary code in the context of the application. Failed exploit attempts will result in denial-of-service conditions.

Microsoft Internet Explorer Layout Handling Use After Free Remote Memory Corruption Vulnerability

Reports indicate that this issue is being exploited in the wild.

A working commercial exploit is available through VUPEN Security - Exploit and PoCs Service. This exploit is not otherwise publicly available or known to be circulating in the wild.

Microsoft Internet Explorer Layout Handling Use After Free Remote Memory Corruption Vulnerability

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


Microsoft Internet Explorer 7.0

• Microsoft Windows6.0-KB2497640-x64.msu
  http://www.microsoft.com/downloads/details.aspx?FamilyID=79f52733-44e4 -47b6-86ca-1395a095b4e7


• Microsoft IE7-WindowsServer2003.WindowsXP-KB2497640-x64-ENU.exe
  http://www.microsoft.com/downloads/details.aspx?FamilyID=ed88f183-dd06 -46f6-ae8a-a594a752f248


• Microsoft IE7-WindowsServer2003-KB2497640-ia64-ENU.exe
  http://www.microsoft.com/downloads/details.aspx?FamilyID=f1abfb48-3c8a -4b2d-b739-cc61628b387d


• Microsoft Windows6.0-KB2497640-x86.msu
  http://www.microsoft.com/downloads/details.aspx?FamilyID=00c3c176-feff -4022-ac4c-2d4732ca3d78


• Microsoft Windows6.0-KB2497640-ia64.msu
  http://www.microsoft.com/downloads/details.aspx?FamilyID=f6f6f22c-fc7f -4e96-b6b5-be3c1acecf6e


• Microsoft IE7-WindowsXP-KB2497640-x86-ENU.exe
  http://www.microsoft.com/downloads/details.aspx?FamilyID=0b7d0403-8965 -4c62-970c-20b561f66713


• Microsoft IE7-WindowsServer2003-KB2497640-x86-ENU.exe
  http://www.microsoft.com/downloads/details.aspx?FamilyID=5c464287-3dab -4342-a38d-a12719d3b158

Microsoft Internet Explorer 6.0

• Microsoft WindowsXP-KB2497640-x86-ENU.exe
  http://www.microsoft.com/downloads/details.aspx?FamilyID=c3a8cec0-f947 -4d4e-a6ae-c7f4f1f311b0


• Microsoft WindowsServer2003-KB2497640-ia64-ENU.exe
  http://www.microsoft.com/downloads/details.aspx?FamilyID=8afe86fc-58b4 -4a95-b047-c09138fa4f5e


• Microsoft WindowsServer2003.WindowsXP-KB2497640-x64-ENU.exe
  http://www.microsoft.com/downloads/details.aspx?FamilyID=986f07ae-0fdc -4be2-8a74-5eb56d4300ef


• Microsoft WindowsServer2003-KB2497640-x86-ENU.exe
  http://www.microsoft.com/downloads/details.aspx?FamilyID=b902c58a-9e2f -4352-8d2f-fffda5344598

Microsoft Internet Explorer Layout Handling Use After Free Remote Memory Corruption Vulnerability

References:

• Microsoft Internet Explorer Homepage (Microsoft)
  
• Microsoft Internet Explorer Use-After-Free Memory Corruption Vulnerability (iDefense)
  
• VUPEN Security Research - Microsoft Internet Explorer Layouts Use-after-free Vul ("VUPEN Security Research" )
  
• ASA-2011-094 MS11-018 Cumulative Security Update for Internet Explorer (2497640) (Avaya)
  
• Microsoft Security Bulletin MS11-018 (Microsoft)