MS12-037: Cumulative Security Update for Internet Explorer (2699988)

This security update resolves one publicly disclosed and twelve privately reported vulnerabilities in Internet Explorer.

Microsoft Security Bulletin MS12-037 - Critical
Cumulative Security Update for Internet Explorer (2699988)
Published: Tuesday, June 12, 2012

Version: 1.0

General Information
Executive Summary
This security update resolves one publicly disclosed and twelve privately reported vulnerabilities in Internet Explorer. The most severe vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited any of these vulnerabilities could gain the same user rights as the current user. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

This security update is rated Critical for Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, and Internet Explorer 9 on Windows clients and Moderate for Internet Explorer 6, Internet Explorer 7, Internet Explorer 8, and Internet Explorer 9 on Windows servers. For more information, see the subsection, Affected and Non-Affected Software, in this section.

The update addresses the vulnerabilities by modifying the way that Internet Explorer handles objects in memory, HTML sanitization using toStaticHTML, the way that Internet Explorer renders data during certain processes, and the way that Internet Explorer creates and initializes strings. For more information about the vulnerabilities, see the Frequently Asked Questions (FAQ) subsection for the specific vulnerability entry under the next section, Vulnerability Information.

Recommendation. The majority of customers have automatic updating enabled and will not need to take any action because this security update will be downloaded and installed automatically. Customers who have not enabled automatic updating need to check for updates and install this update manually. For information about specific configuration options in automatic updating, see Microsoft Knowledge Base Article 294871.

For administrators and enterprise installations, or end users who want to install this security update manually, Microsoft recommends that customers apply the update immediately using update management software, or by checking for updates using the Microsoft Update service.

See also the section, Detection and Deployment Tools and Guidance, later in this bulletin.

Known Issues. None

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Affected and Non-Affected Software
The following software have been tested to determine which versions or editions are affected. Other versions or editions are either past their support life cycle or are not affected. To determine the support life cycle for your software version or edition, visit Microsoft Support Lifecycle.

Affected Software

Operating System    Component    Maximum Security Impact    Aggregate Severity Rating    Updates Replaced
Internet Explorer 6
Windows XP Service Pack 3    Internet Explorer 6
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows XP Professional x64 Edition Service Pack 2    Internet Explorer 6
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2003 Service Pack 2    Internet Explorer 6
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2003 x64 Edition Service Pack 2    Internet Explorer 6
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2003 with SP2 for Itanium-based Systems    Internet Explorer 6
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Internet Explorer 7
Windows XP Service Pack 3    Internet Explorer 7
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows XP Professional x64 Edition Service Pack 2    Internet Explorer 7
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2003 Service Pack 2    Internet Explorer 7
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2003 x64 Edition Service Pack 2    Internet Explorer 7
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2003 with SP2 for Itanium-based Systems    Internet Explorer 7
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Vista Service Pack 2    Internet Explorer 7
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Vista x64 Edition Service Pack 2    Internet Explorer 7
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 for 32-bit Systems Service Pack 2    Internet Explorer 7
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 for x64-based Systems Service Pack 2    Internet Explorer 7
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 for Itanium-based Systems Service Pack 2    Internet Explorer 7
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Internet Explorer 8
Windows XP Service Pack 3    Internet Explorer 8
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows XP Professional x64 Edition Service Pack 2    Internet Explorer 8
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2003 Service Pack 2    Internet Explorer 8
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2003 x64 Edition Service Pack 2    Internet Explorer 8
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Vista Service Pack 2    Internet Explorer 8
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Vista x64 Edition Service Pack 2    Internet Explorer 8
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 for 32-bit Systems Service Pack 2    Internet Explorer 8
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 for x64-based Systems Service Pack 2    Internet Explorer 8
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows 7 for 32-bit Systems    Internet Explorer 8
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows 7 for 32-bit Systems Service Pack 1    Internet Explorer 8
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows 7 for x64-based Systems    Internet Explorer 8
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows 7 for x64-based Systems Service Pack 1    Internet Explorer 8
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 R2 for x64-based Systems    Internet Explorer 8
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 R2 for x64-based Systems Service Pack 1    Internet Explorer 8
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 R2 for Itanium-based Systems    Internet Explorer 8
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 R2 for Itanium-based Systems Service Pack 1    Internet Explorer 8
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Internet Explorer 9
Windows Vista Service Pack 2    Internet Explorer 9
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Vista x64 Edition Service Pack 2    Internet Explorer 9
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 for 32-bit Systems Service Pack 2    Internet Explorer 9
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 for x64-based Systems Service Pack 2    Internet Explorer 9
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows 7 for 32-bit Systems    Internet Explorer 9
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows 7 for 32-bit Systems Service Pack 1    Internet Explorer 9
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows 7 for x64-based Systems    Internet Explorer 9
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows 7 for x64-based Systems Service Pack 1    Internet Explorer 9
(KB2699988)    Remote Code Execution    Critical    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 R2 for x64-based Systems    Internet Explorer 9
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Windows Server 2008 R2 for x64-based Systems Service Pack 1    Internet Explorer 9
(KB2699988)    Remote Code Execution    Moderate    KB2675157 in MS12-023 replaced by KB2699988
Non-Affected Software

Operating System
Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
Windows Server 2008 R2 for x64-based Systems (Server Core installation)
Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
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Frequently Asked Questions (FAQ) Related to This Security Update
Vulnerability Information
Severity Ratings and Vulnerability Identifiers
Center Element Remote Code Execution Vulnerability - CVE-2012-1523
HTML Sanitization Vulnerability - CVE-2012-1858
EUC-JP Character Encoding Vulnerability - CVE-2012-1872
Null Byte Information Disclosure Vulnerability - CVE-2012-1873
Developer Toolbar Remote Code Execution Vulnerability - CVE-2012-1874
Same ID Property Remote Code Execution Vulnerability - CVE-2012-1875
Col Element Remote Code Execution Vulnerability - CVE-2012-1876
Title Element Change Remote Code Execution Vulnerability - CVE-2012-1877
OnBeforeDeactivate Event Remote Code Execution Vulnerability - CVE-2012-1878
insertAdjacentText Remote Code Execution Vulnerability - CVE-2012-1879
insertRow Remote Code Execution Vulnerability - CVE-2012-1880
OnRowsInserted Event Remote Code Execution Vulnerability - CVE-2012-1881
Scrolling Events Information Disclosure Vulnerability - CVE-2012-1882
Update Information
Detection and Deployment Tools and Guidance
Security Update Deployment
Other Information
Acknowledgments
Microsoft thanks the following for working with us to help protect customers:

An anonymous researcher, working with VeriSign iDefense Labs, for reporting the Center Element Remote Code Execution Vulnerability (CVE-2012-1523)
Adi Cohen of IBM Security Systems - Application Security for reporting the HTML Sanitization Vulnerability (CVE-2012-1858)
Masato Kinugawa for reporting the EUC-JP Character Encoding Vulnerability (CVE-2012-1872)
Roman Shafigullin of LinkedIn for reporting the Null Byte Information Disclosure Vulnerability (CVE-2012-1873)
Code Audit Labs of VulnHunt for reporting the Developer Toolbar Remote Code Execution Vulnerability (CVE-2012-1874)
Dark Son of VulnHunt for reporting the Same ID Property Remote Code Execution Vulnerability (CVE-2012-1875)
Qihoo 360 Security Center for working with us on the Same ID Property Remote Code Execution Vulnerability (CVE-2012-1875)
Yichong Lin of McAfee Labs for working with us on the Same ID Property Remote Code Execution Vulnerability (CVE-2012-1875)
Google Inc. for working with us on the Same ID Property Remote Code Execution Vulnerability (CVE-2012-1875)
VUPEN Security, working with TippingPoint's Zero Day Initiative, for reporting the Col Element Remote Code Execution Vulnerability (CVE-2012-1876)
An anonymous researcher, working with TippingPoint's Zero Day Initiative, for reporting the Title Element Change Remote Code Execution Vulnerability (CVE-2012-1877)
An anonymous researcher, working with TippingPoint's Zero Day Initiative, for reporting the OnBeforeDeactivate Event Remote Code Execution Vulnerability (CVE-2012-1878)
An anonymous researcher, working with TippingPoint's Zero Day Initiative, for reporting the insertAdjacentText Remote Code Execution Vulnerability (CVE-2012-1879)
An anonymous researcher, working with TippingPoint's Zero Day Initiative, for reporting the insertRow Remote Code Execution Vulnerability (CVE-2012-1880)
An anonymous researcher, working with TippingPoint's Zero Day Initiative, for reporting the OnRowsInserted Event Remote Code Execution Vulnerability (CVE-2012-1881)
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Microsoft Active Protections Program (MAPP)
To improve security protections for customers, Microsoft provides vulnerability information to major security software providers in advance of each monthly security update release. Security software providers can then use this vulnerability information to provide updated protections to customers via their security software or devices, such as antivirus, network-based intrusion detection systems, or host-based intrusion prevention systems. To determine whether active protections are available from security software providers, please visit the active protections websites provided by program partners, listed in Microsoft Active Protections Program (MAPP) Partners.
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Support
How to obtain help and support for this security update

Help installing updates: Support for Microsoft Update
Security solutions for IT professionals: TechNet Security Troubleshooting and Support
Help protect your computer that is running Windows from viruses and malware: Virus Solution and Security Center
Local support according to your country: International Support
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Disclaimer
The information provided in the Microsoft Knowledge Base is provided "as is" without warranty of any kind. Microsoft disclaims all warranties, either express or implied, including the warranties of merchantability and fitness for a particular purpose. In no event shall Microsoft Corporation or its suppliers be liable for any damages whatsoever including direct, indirect, incidental, consequential, loss of business profits or special damages, even if Microsoft Corporation or its suppliers have been advised of the possibility of such damages. Some states do not allow the exclusion or limitation of liability for consequential or incidental damages so the foregoing limitation may not apply.
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