Microsoft Internet Explorer 'CStyleSheet' Uninitialized Memory Remote Code Execution Vulnerability

Bugtraq ID:	40417
Class:	Unknown
CVE:	CVE-2010-1262 CVE-2010-1118
Remote:	Yes
Local:	No
Published:	Mar 24 2010 12:00AM
Updated:	Jun 10 2011 05:30PM
Credit:	Peter Vreugdenhil working with TippingPoint's Zero Day Initiative
Vulnerable:	Microsoft Internet Explorer 8 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 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 MM 3.1 Avaya Messaging Application Server MM 3.0 Avaya Messaging Application Server MM 2.0 Avaya Messaging Application Server MM 1.1 Avaya Messaging Application Server 5 Avaya Messaging Application Server 4 Avaya Messaging Application Server 0 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
Not Vulnerable:

Microsoft Internet Explorer 'CStyleSheet' Uninitialized Memory Remote Code Execution Vulnerability

Microsoft Internet Explorer is prone to a remote code-execution vulnerability.

Successful exploits will allow an attacker to run arbitrary code in the context of the user running the application. Failed attacks may cause denial-of-service conditions.

NOTE: This issue was originally reported at the 2010 CanSecWest conference as part of the Pwn2Own contest. It was also previously documented in BID 38951 (Microsoft Internet Explorer Unspecified Remote Code Execution Vulnerabilities) but has been moved here to better document it.

Microsoft Internet Explorer 'CStyleSheet' Uninitialized Memory Remote Code Execution Vulnerability

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.

The discoverer of this issue has developed a working exploit to trigger this issue. This exploit code is not known to be publicly available. This issue was demonstrated at the 2010 CanSecWest conference as part of the Pwn2Own contest.

Microsoft Internet Explorer 'CStyleSheet' Uninitialized Memory Remote Code Execution Vulnerability

Solution:
Updates are available to address this issue. Please see the references for more information.


Microsoft Internet Explorer 7.0

• Microsoft Cumulative Security Update for Internet Explorer 7 for Windows Server 2003 (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=f0187b69-3ed9 -494c-89f1-90a35e22078c


• Microsoft Cumulative Security Update for Internet Explorer 7 for Windows Server 2003 64-bit Itanium Edition (K
  http://www.microsoft.com/downloads/details.aspx?FamilyID=123bf547-9005 -451f-9eba-97a68037304e


• Microsoft Cumulative Security Update for Internet Explorer 7 for Windows Server 2003 x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=50b8ee2e-31f8 -473d-83d1-822c89c28070


• Microsoft Cumulative Security Update for Internet Explorer 7 for Windows XP (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=fc02fc7e-ee85 -4377-b54c-012fa60a8c9c


• Microsoft Cumulative Security Update for Internet Explorer 7 for Windows XP x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=6c7cda29-161e -49b4-976a-c718c0aa11a0


• Microsoft Cumulative Security Update for Internet Explorer 7 in Windows Server 2008 (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=bed14484-7fc5 -455d-b996-3192467543cc


• Microsoft Cumulative Security Update for Internet Explorer 7 in Windows Server 2008 for Itanium-based Systems
  http://www.microsoft.com/downloads/details.aspx?FamilyID=dee5c0c0-b844 -490d-8daf-6e6ec8a39e35


• Microsoft Cumulative Security Update for Internet Explorer 7 in Windows Server 2008 x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=a24554e8-213b -4c24-b062-ec424d64128e


• Microsoft Cumulative Security Update for Internet Explorer 7 in Windows Vista (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=661c9528-917d -4df6-a330-c89f39dc5ce4


• Microsoft Cumulative Security Update for Internet Explorer 7 in Windows Vista x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=d9f5feb0-fa1a -40c1-9971-9b8af6f0b4a5

Microsoft Internet Explorer 6.0 SP1

• Microsoft Update for Internet Explorer 6 SP1 (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=e2f27eeb-54be -40be-a00e-72867090b8e7

Microsoft Internet Explorer 8

• Microsoft Cumulative Security Update for Internet Explorer 8 for Windows Server 2003 (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=ebab6101-fcf1 -4842-b22d-893a20c1c10f


• Microsoft Cumulative Security Update for Internet Explorer 8 for Windows Server 2003 x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=87e13912-f861 -4985-ab9d-260a5898dfd4


• Microsoft Cumulative Security Update for Internet Explorer 8 for Windows XP (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=9cff9aba-7743 -4c33-87c7-37d06ed60a21


• Microsoft Cumulative Security Update for Internet Explorer 8 for Windows XP x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=37cd7533-ddad -4d0d-85c0-1491308e1ff8


• Microsoft Cumulative Security Update for Internet Explorer 8 in Windows 7 (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=5c835885-9375 -4882-a92f-4d4cfcacc005


• Microsoft Cumulative Security Update for Internet Explorer 8 in Windows 7 x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=5cfc5776-0c6b -4092-bc98-94df077c60d8


• Microsoft Cumulative Security Update for Internet Explorer 8 in Windows Server 2008 (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=24ed08c7-a474 -4458-8269-3b9de5e22385


• Microsoft Cumulative Security Update for Internet Explorer 8 in Windows Server 2008 R2 for Itanium-based Syste
  http://www.microsoft.com/downloads/details.aspx?familyid=52c04d85-911f -47be-852e-c9bb4934744d


• Microsoft Cumulative Security Update for Internet Explorer 8 in Windows Server 2008 R2 x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=7c4ff5ae-eadd -431e-b982-d5f179efb8c0


• Microsoft Cumulative Security Update for Internet Explorer 8 in Windows Server 2008 x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=cf84469b-ce6d -45e8-8336-7b4501c6cf91


• Microsoft Cumulative Security Update for Internet Explorer 8 in Windows Vista (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=640f9216-3e99 -46b6-aac8-cd051eedad3c


• Microsoft Cumulative Security Update for Internet Explorer 8 in Windows Vista x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?familyid=3076d1ea-7716 -4b54-8ec4-660374f14dcb

Microsoft Internet Explorer 6.0

• Microsoft Cumulative Security Update for Internet Explorer for Windows Server 2003 (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=bfb9acdb-2d9c -4c22-963c-8b9ce247350f


• Microsoft Cumulative Security Update for Internet Explorer for Windows Server 2003 64-bit Itanium Edition (KB9
  http://www.microsoft.com/downloads/details.aspx?FamilyID=abcdc3bb-4659 -4b63-a9bd-e448f8bed90a


• Microsoft Cumulative Security Update for Internet Explorer for Windows Server 2003 x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=81644c43-22c0 -4c61-b395-3264516516a6


• Microsoft Cumulative Security Update for Internet Explorer for Windows XP (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=bfe87761-ed9e -4fec-a393-d7fddb919db4


• Microsoft Cumulative Security Update for Internet Explorer for Windows XP x64 Edition (KB982381)
  http://www.microsoft.com/downloads/details.aspx?FamilyID=7780af61-a206 -49aa-a805-a49bdcbb5419

Microsoft Internet Explorer 'CStyleSheet' Uninitialized Memory Remote Code Execution Vulnerability

References:

• Apple iPhone, Microsoft IE 8 get hacked in Pwn2Own contest (TechTarget)
  
• iPhone, Safari, IE 8, Firefox hacked in CanSecWest contest (cnet)
  
• Microsoft Internet Explorer Homepage (Microsoft)
  
• Pwn2Own 2010 (TippingPoint)
  
• Pwn2Own 2010 Windows 7 Internet Explorer 8 exploit (Peter Vreugdenhil)
  
• ZDI-10-102: Microsoft Internet Explorer Stylesheet Array Removal Remote Code Exe (Zero Day Initiative)
  
• ZDI-10-102: Microsoft Internet Explorer Stylesheet Array Removal Remote Code Exe (ZDI Disclosures )
  
• ASA-2010-156 MS10-035 Cumulative Security Update for Internet Explorer (982381) (Avaya)
  
• Microsoft Security Bulletin MS10-035 (Microsoft)