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US-CERT Technical Cyber Security Alert TA06-192A -- Microsoft Windows, Office, and IIS Vulnerabilities




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                        National Cyber Alert System

                Technical Cyber Security Alert TA06-192A


Microsoft Windows, Office, and IIS Vulnerabilities

   Original release date: July 11, 2006
   Last revised: --
   Source: US-CERT


Systems Affected

     * Microsoft Windows
     * Microsoft Internet Information Services (IIS)
     * Microsoft Office
     * Microsoft Office for Mac
     * Microsoft Access
     * Microsoft Excel and Excel Viewer
     * Microsoft FrontPage
     * Microsoft InfoPath
     * Microsoft OneNote
     * Microsoft Outlook
     * Microsoft PowerPoint
     * Microsoft Project
     * Microsoft Publisher
     * Microsoft Visio
     * Microsoft Word and Word Viewer


Overview

   Microsoft has released updates that address critical vulnerabilities
   in Microsoft Windows, IIS, and Office. Exploitation of these
   vulnerabilities could allow a remote, unauthenticated attacker to
   execute arbitrary code or cause a denial of service on a vulnerable
   system.


I. Description

   Microsoft Security Bulletin Summary for July 2006 addresses
   vulnerabilities in Microsoft products including Windows, IIS, and
   Office. Further information is available in the following US-CERT
   Vulnerability Notes:


   VU#395588 - Microsoft Internet Information Services vulnerable to
   remote code execution via specially crafted ASP file 

   Microsoft Internet Information Services (IIS) contains a buffer
   overflow vulnerability. This may allow a remote, authenticated
   attacker to execute arbitrary code on a vulnerable system.
   (CVE-2006-0026)


   VU#189140 - Microsoft Server Service Mailslot vulnerable to heap
   overflow 

   A buffer overflow vulnerability in the Microsoft mailslot server
   service may allow a remote attacker to execute arbitrary code on a
   vulnerable system.
   (CVE-2006-1314)


   VU#257164 - Microsoft DHCP Client service contains a buffer overflow 

   Microsoft DHCP Client service contains a buffer overflow. This
   vulnerability may allow a remote attacker to execute arbitrary code on
   a vulnerable system.
   (CVE-2006-2372)


   VU#802324 - Microsoft Excel vulnerability 

   An unspecified vulnerability in Microsoft Excel could allow an
   attacker to execute arbitrary code on a vulnerable system.
   (CVE-2006-3059)


   VU#580036 - Microsoft Office fails to properly handle malformed
   strings 

   Microsoft Office fails to properly handle specially crafted strings.
   This vulnerability could allow a remote attacker to execute arbitrary
   code.
   (CVE-2006-1316)


   VU#609868 - Microsoft Office string parsing vulnerability 

   Microsoft Office fails to properly parse strings. This vulnerability
   could allow a remote attacker to execute arbitrary code.
   (CVE-2006-1540)


   VU#409316 - Microsoft Office fails to properly handle document
   properties 

   Microsoft Office contains a buffer overflow when handling specially
   crafted document properties. This vulnerability could allow a remote
   attacker to execute arbitrary code.
   (CVE-2006-2389)


   VU#459388 - Microsoft Office fails to properly handle PNG images 

   Microsoft Office applications fail to properly handle PNG images. This
   vulnerability may allow a remote attacker to execute arbitrary code on
   a vulnerable system.
   (CVE-2006-0033)


   VU#668564 - Microsoft Office fails to properly handle GIF images 

   Microsoft Office applications fail to properly handle GIF images. This
   vulnerability may allow a remote attacker to execute arbitrary code on
   a vulnerable system.
   (CVE-2006-0007)


   In MS06-037, Microsoft has released updates for the Excel
   vulnerability (VU#802324) described in Technical Cyber Security Alert
   TA06-167A.


II. Impact

   A remote, unauthenticated attacker could execute arbitrary code on a
   vulnerable system. An attacker may also be able to cause a denial of
   service.


III. Solution

Apply a patch from your vendor

   Microsoft has provided updates for these vulnerabilities in the
   Security Bulletins. Updates for Microsoft Windows and Microsoft Office
   XP and later are available on the Microsoft Update site. Microsoft
   Office 2000 updates are available on the Microsoft Office Update site.
   Apple Mac OS X users should obtain updates from the Mactopia web site.

   System administrators may wish to consider using Windows Server Update
   Services (WSUS).

Workaround

   Please see the following Vulnerability Notes for workarounds.


Appendix A. References

     * Microsoft Security Bulletin Summary for July 2006 -
       <http://www.microsoft.com/technet/security/bulletin/ms06-jul.mspx>

     * Technical Cyber Security Alert TA06-167A -
       <http://www.us-cert.gov/cas/techalerts/TA06-167A.html>

     * US-CERT Vulnerability Notes for Microsoft July 2006 updates -
       <http://www.kb.cert.org/vuls/byid?searchview&query=ms06-jul>

     * US-CERT Vulnerability Note VU#395588 -
       <http://www.kb.cert.org/vuls/id/395588>

     * US-CERT Vulnerability Note VU#189140 -
       <http://www.kb.cert.org/vuls/id/189140>

     * US-CERT Vulnerability Note VU#257164 -
       <http://www.kb.cert.org/vuls/id/257164>

     * US-CERT Vulnerability Note VU#802324 -
       <http://www.kb.cert.org/vuls/id/802324>

     * US-CERT Vulnerability Note VU#580036 -
       <http://www.kb.cert.org/vuls/id/580036>

     * US-CERT Vulnerability Note VU#609868 -
       <http://www.kb.cert.org/vuls/id/609868>

     * US-CERT Vulnerability Note VU#409316 -
       <http://www.kb.cert.org/vuls/id/409316>

     * US-CERT Vulnerability Note VU#459388 -
       <http://www.kb.cert.org/vuls/id/459388>

     * US-CERT Vulnerability Note VU#668564 -
       <http://www.kb.cert.org/vuls/id/668564>

     * CVE-2006-0026 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0026>

     * CVE-2006-1314 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1314>

     * CVE-2006-2372 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2372>

     * CVE-2006-3059 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-3059>

     * CVE-2006-1316 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1316>

     * CVE-2006-1540 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-1540>

     * CVE-2006-2389 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-2389>

     * CVE-2006-0033 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0033>

     * CVE-2006-0007 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2006-0007>

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

     * Microsoft Office Update - <http://officeupdate.microsoft.com>

     * Mactopia - <http://www.microsoft.com/mac>

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


 ____________________________________________________________________

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

     <http://www.us-cert.gov/cas/techalerts/TA06-192A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@xxxxxxxx> with "TA06-192A Feedback VU#802324" in the
   subject.
 ____________________________________________________________________

   For instructions on subscribing to or unsubscribing from this
   mailing list, visit <http://www.us-cert.gov/cas/signup.html>.
 ____________________________________________________________________

   Produced 2006 by US-CERT, a government organization.

   Terms of use:

     <http://www.us-cert.gov/legal.html>
 ____________________________________________________________________


   Revision History

   July 11, 2006: Initial release


    


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