-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA1

===========================================================================
             AUSCERT External Security Bulletin Redistribution

                               ESB-2009.1100
         Cumulative Security Update for Internet Explorer (972260)
                               29 July 2009

===========================================================================

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

Product:           Internet Explorer 5.01
                   Internet Explorer 6
                   Internet Explorer 6 Service Pack 1
                   Internet Explorer 7
                   Internet Explorer 8
Publisher:         Microsoft
Operating System:  Windows
Impact/Access:     Administrator Compromise        -- Remote with User Interaction
                   Execute Arbitrary Code/Commands -- Remote with User Interaction
Resolution:        Patch
CVE Names:         CVE-2009-1919 CVE-2009-1918 CVE-2009-1917

Original Bulletin: 
   http://www.microsoft.com/technet/security/bulletin/ms09-034.mspx

Comment: As there is a vulnerability in the Microsoft Active Template Library 
         (ATL), it is possible that third party applications using this library 
         could also be vulnerable. Anyone who is authoring their own components 
         and controls utilizing ATL (which may include software other than 
         ActiveX controls) should use the updated libraries available for 
         Visual Studio and make their updated software available to their 
         user-base as soon as practical.
         
         Additionally ICASI have released a scanning service to aid developers 
         in identifying potential vulnerabilities in ActiveX controls and 
         components built with Microsoft's Active Template Libraries (ATL). For
         details see http://isaci.org

- --------------------------BEGIN INCLUDED TEXT--------------------

Microsoft Security Bulletin MS09-034 - Critical

Cumulative Security Update for Internet Explorer (972260)

Published: July 28, 2009

Version: 1.0

General Information

Executive Summary

   This security update is being released out of band in conjunction with 
   Microsoft Security Bulletin MS09-035, which describes vulnerabilities in 
   those components and controls that have been developed using vulnerable 
   versions of the Microsoft Active Template Library (ATL). As a 
   defense-in-depth measure, this Internet Explorer security update helps 
   mitigate known attack vectors within Internet Explorer for those components 
   and controls that have been developed with vulnerable versions of ATL as 
   described in Microsoft Security Advisory (973882) and Microsoft Security 
   Bulletin MS09-035.

   This security update also resolves three privately reported vulnerabilities 
   in Internet Explorer. These vulnerabilities could allow remote code 
   execution if a user views a specially crafted Web page using Internet 
   Explorer. 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 5.01 and 
   Internet Explorer 6 Service Pack 1, running on supported editions of 
   Microsoft Windows 2000; Critical for Internet Explorer 6, Internet Explorer 
   7, and Internet Explorer 8 running on supported editions of Windows XP and 
   Windows Vista; and Moderate for Internet Explorer 6, Internet Explorer 7, 
   and Internet Explorer 8 running on supported editions of Windows Server 2003 
   and Windows Server 2008. For more information, see the subsection, Affected 
   and Non-Affected Software, in this section.

   The security update addresses these vulnerabilities by modifying the way 
   that Internet Explorer handles objects in memory and table operations. For 
   more information about the vulnerabilities, see the Frequently Asked 
   Questions (FAQ) subsection 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

   Internet Explorer 5.01 and Internet Explorer 6 Service Pack 1
   Internet Explorer 6
   Internet Explorer 7
   Internet Explorer 8
   Microsoft Windows 2000 Service Pack 4
   Windows XP Service Pack 2 and 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 
    vulnerabilities addressed by this update do 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.

   Non-Affected Software
   Windows 7 for 32-bit Systems
   Windows 7 for x64-based Systems
   Windows 7 for Itanium-based Systems

Vulnerability Information

   Memory Corruption Vulnerability - CVE-2009-1917

   A remote code execution vulnerability exists in the way that Internet 
   Explorer handles a memory object. An attacker could exploit the 
   vulnerability by constructing a specially crafted Web page. When a user 
   views the Web page, the vulnerability could allow remote code execution. An 
   attacker who successfully exploited this vulnerability could gain the same 
   user rights as the logged-on user. 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.

   HTML Objects Memory Corruption Vulnerability - CVE-2009-1918

   A remote code execution vulnerability exists in the way that Internet 
   Explorer handles table operations in specific situations. An attacker could 
   exploit the vulnerability by constructing a specially crafted Web page. When 
   a user views the Web page, the vulnerability could allow remote code 
   execution. An attacker who successfully exploited this vulnerability could 
   gain the same user rights as the logged-on user. 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.

   Uninitialized Memory Corruption Vulnerability - CVE-2009-1919

   A remote code execution vulnerability exists in the way Internet Explorer 
   accesses an object that has been deleted. An attacker could exploit the 
   vulnerability by constructing a specially crafted Web page. When a user 
   views the Web page, the vulnerability could allow remote code execution. An 
   attacker who successfully exploited this vulnerability could gain the same 
   user rights as the logged-on user. 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.

- --------------------------END INCLUDED TEXT--------------------

You have received this e-mail bulletin as a result of your organisation's
registration with AusCERT. The mailing list you are subscribed to is
maintained within your organisation, so if you do not wish to continue
receiving these bulletins you should contact your local IT manager. If
you do not know who that is, please send an email to auscert@auscert.org.au
and we will forward your request to the appropriate person.

NOTE: Third Party Rights
This security bulletin is provided as a service to AusCERT's members.  As
AusCERT did not write the document quoted above, AusCERT has had no control
over its content. The decision to follow or act on information or advice
contained in this security bulletin is the responsibility of each user or
organisation, and should be considered in accordance with your organisation's
site policies and procedures. AusCERT takes no responsibility for consequences
which may arise from following or acting on information or advice contained in
this security bulletin.

NOTE: This is only the original release of the security bulletin.  It may
not be updated when updates to the original are made.  If downloading at
a later date, it is recommended that the bulletin is retrieved directly
from the author's website to ensure that the information is still current.

Contact information for the authors of the original document is included
in the Security Bulletin above.  If you have any questions or need further
information, please contact them directly.

Previous advisories and external security bulletins can be retrieved from:

        http://www.auscert.org.au/render.html?cid=1980

If you believe that your computer system has been compromised or attacked in 
any way, we encourage you to let us know by completing the secure National IT 
Incident Reporting Form at:

        http://www.auscert.org.au/render.html?it=3192

===========================================================================
Australian Computer Emergency Response Team
The University of Queensland
Brisbane
Qld 4072

Internet Email: auscert@auscert.org.au
Facsimile:      (07) 3365 7031
Telephone:      (07) 3365 4417 (International: +61 7 3365 4417)
                AusCERT personnel answer during Queensland business hours
                which are GMT+10:00 (AEST).
                On call after hours for member emergencies only.
===========================================================================
-----BEGIN PGP SIGNATURE-----
Comment: http://www.auscert.org.au/render.html?it=1967

iD8DBQFKb5BSNVH5XJJInbgRAmv/AJsHp1yksgRtLpKLKGwA3E+xQpAwGACcDc/8
wQI87W93ZFK9djUrPrYG6ZM=
=BJPx
-----END PGP SIGNATURE-----