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             AUSCERT External Security Bulletin Redistribution

                               ESB-2009.1048
        Vulnerabilities in the Embedded OpenType Font Engine Could
                   Allow Remote Code Execution (961371)
                               15 July 2009

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           Embedded OpenType Font Engine
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Resolution:        Patch
CVE Names:         CVE-2009-0232 CVE-2009-0231 

Original Bulletin: 
   http://www.microsoft.com/technet/security/bulletin/MS09-029.mspx

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Microsoft Security Bulletin MS09-029 - Critical

Vulnerabilities in the Embedded OpenType Font Engine Could Allow Remote Code 
Execution (961371)

Published: July 14, 2009

Version: 1.0

General Information

Executive Summary

   This security update resolves two privately reported vulnerabilities in a 
   Microsoft Windows component, the Embedded OpenType (EOT) Font Engine. The 
   vulnerabilities could allow remote code execution. An attacker who 
   successfully exploited either of these vulnerabilities could take 
   completed control of an affected system remotely. An attacker could then 
   install programs; view, change, or delete data; or create new accounts 
   with full user rights. 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 all supported editions of 
   Microsoft Windows 2000, Windows XP, Windows Server 2003, Windows Vista, 
   and Windows Server 2008. For more information, see the subsection, 
   Affected and Non-Affected Software, in this section.

   The update addresses the vulnerability by correcting the way that the 
   Microsoft Windows EOT component parses files and content containing 
   embedded fonts. 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.

Affected Software 

   Microsoft Windows 2000 Service Pack 4
   Windows XP Service Pack 2
   Windows XP Service Pack 3
   Windows XP Professional x64 Edition Service Pack 2
   Windows Server 2003 Service Pack 2
   Windows Server 2003 x64 Edition Service Pack 2
   Windows Server 2003 with SP2 for Itanium-based Systems
   Windows Vista, Windows Vista Service Pack 1, and Windows Vista Service 
    Pack 2
   Windows Vista x64 Edition, Windows Vista x64 Edition Service Pack 1, and 
    Windows Vista x64 Edition Service Pack 2
   Windows Server 2008 for 32-bit Systems and Windows Server 2008 for 32-bit 
    Systems Service Pack 2*
   Windows Server 2008 for x64-based Systems and Windows Server 2008 for 
    x64-based Systems Service Pack 2*
   Windows Server 2008 for Itanium-based Systems and Windows Server 2008 for 
    Itanium-based Systems Service Pack 2

   *Windows Server 2008 server core installation not affected. The 
    vulnerability addressed by this update does not affect supported editions 
    of Windows Server 2008 if Windows Server 2008 was installed using the 
    Server Core installation option. For more information on this 
    installation option, see Server Core. Note that the Server Core  
    installation option does not apply to certain editions of Windows Server 
    2008; see Compare Server Core Installation Options.

Vulnerability Information
	
   Embedded OpenType Font Heap Overflow Vulnerability - CVE-2009-0231

   A remote code execution vulnerability exists in the way that Microsoft 
   Windows Embedded OpenType (EOT) font technology parses data records in 
   specially crafted embedded fonts. If a user is logged on with 
   administrative user rights, an attacker who successfully exploited this 
   vulnerability could take complete control of an affected system. An 
   attacker could then install programs; view, change, or delete data; or 
   create new accounts with full user rights. 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.

   Embedded OpenType Font Integer Overflow Vulnerability - CVE-2009-0232

   A remote code execution vulnerability exists in the way that Microsoft 
   Windows Embedded OpenType (EOT) font technology parses name tables in 
   specially crafted embedded fonts. If a user is logged on with 
   administrative user rights, an attacker who successfully exploited this 
   vulnerability could take complete control of an affected system. An 
   attacker could then install programs; view, change, or delete data; or 
   create new accounts with full user rights. 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.

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