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                     National Cyber Alert System

               Technical Cyber Security Alert TA08-008A

Microsoft Updates for Multiple Vulnerabilities

   Original release date: January 8, 2008
   Last revised: January 8, 2008
   Source: US-CERT


Systems Affected

     * Microsoft Windows


Overview

   Microsoft has released updates that address critical vulnerabilities
   in Microsoft Windows. Exploitation of these vulnerabilities could
   allow a remote, unauthenticated attacker to execute arbitrary code,
   gain elevated privileges, or crash a vulnerable system.


I. Description

   Microsoft has released updates to address vulnerabilities that affect
   Microsoft Windows as part of the Microsoft Security Bulletin Summary
   for January 2008. The most severe vulnerabilities could allow a
   remote, unauthenticated attacker to execute arbitrary code. For more
   information, see the US-CERT Vulnerability Notes Database.


II. Impact

   A remote, unauthenticated attacker could execute arbitrary code, gain
   elevated privileges, or cause a denial of service.


III. Solution

Apply updates from Microsoft

   Microsoft has provided updates for these vulnerabilities in the
   January 2008 security bulletins. The security bulletins describe any
   known issues related to the updates. Administrators are encouraged to
   note these issues and test for any potentially adverse effects.
   Administrators should consider using an automated update distribution
   system such as Windows Server Update Services (WSUS).


IV. References

     * US-CERT Vulnerability Notes for Microsoft January 2008 updates -
       <http://www.kb.cert.org/vuls/byid?searchview&query=ms08-jan>

     * Microsoft Security Bulletin Summary for January 2008 -
       <http://www.microsoft.com/technet/security/bulletin/ms08-jan.mspx>

     * Microsoft Update - <https://www.update.microsoft.com/microsoftupdate/>

     * Windows Server Update Services -
       <http://www.microsoft.com/windowsserversystem/updateservices/default.mspx>

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   The most recent version of this document can be found at:

     <http://www.us-cert.gov/cas/techalerts/TA08-008A.html>
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   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA08-008A Feedback VU#410025" in the
   subject.
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   Produced 2008 by US-CERT, a government organization.

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Revision History

   January 8, 2008: Initial release

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