US-CERT Technical Cyber Security Alert TA05-284A -- Microsoft Windows, Internet Explorer, and Exchange Server Vulnerabilities

12/10/05, US-CERT Technical Cyber Security Alert TA05-284A -- Microsoft Windows, Internet Explorer, and Exchange Server Vulnerabilities
From: CERT Advisory <cert-advisory@cert.org>

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To: cert-advisory@cert.org
Subject: US-CERT Technical Cyber Security Alert TA05-284A -- Microsoft Windows, Internet Explorer, and Exchange Server Vulnerabilities
From: CERT Advisory <cert-advisory@cert.org>
Date: Tue, 11 Oct 2005 18:56:25 -0400
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            Technical Cyber Security Alert TA05-284A 
  Microsoft Windows, Internet Explorer, and Exchange Server
  Vulnerabilities

   Original release date: October 11, 2005
   Last revised: --
   Source: US-CERT

Systems Affected

     * Microsoft Windows
     * Microsoft Internet Explorer
     * Microsoft Exchange Server

   For more complete information, refer to the Microsoft Security
   Bulletin Summary for October 2005.

Overview

   Microsoft has released updates that address critical vulnerabilities
   in Windows, Internet Explorer, and Exchange Server. Exploitation of
   these vulnerabilities could allow a remote, unauthenticated attacker
   to execute arbitrary code or cause a denial of service on an affected
   system.

I. Description

   Microsoft Security Bulletins for October 2005 address vulnerabilities
   in Windows and Internet Explorer. Further information is available in
   the following US-CERT Vulnerability Notes:


   VU#214572 - Microsoft Plug and Play fails to properly validate user
   supplied data 

   Microsoft Plug and Play contains a flaw in the handling of message
   buffers that may result in local or remote arbitrary code execution or
   denial-of-service conditions.
   (CAN-2005-2120)


   VU#883460 - Microsoft Collaboration Data Objects buffer overflow 

   A buffer overflow in Microsoft Collaboration Data Objects may allow a
   remote, unauthenticated attacker to execute arbitrary code on a
   vulnerable system.
   (CAN-2005-1987)


   VU#922708 - Microsoft Windows Shell fails to handle shortcut files
   properly 

   Microsoft Windows Shell does not properly handle some shortcut files
   and may permit arbitrary code execution when a specially-crafted file
   is opened.
   (CAN-2005-2122)


   VU#995220 - Microsoft DirectShow buffer overflow 

   A buffer overflow in Microsoft DirectShow may allow a remote,
   unauthenticated attacker to execute arbitrary code on a vulnerable
   system.
   (CAN-2005-2128)


   VU#180868 - Microsoft Distributed Transaction Coordinator vulnerable
   to buffer overflow via specially crafted network message 

   Microsoft Distributed Transaction Coordinator (MSDTC) may be
   vulnerable to a flaw that allows remote, unauthenticated attackers to
   execute arbitrary code.
   (CAN-2005-2119)


   VU#950516 - Microsoft COM+ contains a memory management flaw 

   Microsoft COM+ contains a vulnerability due to a memory management
   flaw that may allow an attacker to take complete control of an
   affected system.
   (CAN-2005-1978)


   VU#959049 - Several COM objects cause memory corruption in Microsoft
   Internet Explorer 

   Microsoft Internet Explorer will initialize COM objects that were not
   intended to be used in the web browser. Several COM objects have been
   identified that may allow an attacker to execute arbitrary code or
   crash Internet Explorer.
   (CAN-2005-2127)


   VU#680526 - Microsoft Internet Explorer allows non-ActiveX COM objects
   to be instantiated

   Microsoft Internet Explorer will initialize COM objects that were not
   intended to be used in the web browser. This may allow an attacker to
   execute arbitrary code or crash Internet Explorer.
   (CAN-2005-0163)

II. Impact

   Exploitation of these vulnerabilities may allow a remote,
   unauthenticated attacker to execute arbitrary code with SYSTEM
   privileges or with the privileges of the user. If the user is logged
   on with administrative privileges, the attacker could take complete
   control of an affected system. An attacker may also be able to cause a
   denial of service.

III. Solution

Apply Updates

   Microsoft has provided the updates for these vulnerabilities in the
   Security Bulletins and on the Microsoft Update site.

Workarounds

   Please see the following US-CERT Vulnerability Notes for workarounds.

Appendix A. References

     * Microsoft Security Bulletin Summary for October 2005 -
       <http://www.microsoft.com/technet/security/bulletin/ms05-oct.mspx>

     * US-CERT Vulnerability Note VU#214572 -
       <http://www.kb.cert.org/vuls/id/214572>

     * US-CERT Vulnerability Note VU#883460 -
       <http://www.kb.cert.org/vuls/id/883460>

     * US-CERT Vulnerability Note VU#922708 -
       <http://www.kb.cert.org/vuls/id/922708>

     * US-CERT Vulnerability Note VU#995220 -
       <http://www.kb.cert.org/vuls/id/995220>

     * US-CERT Vulnerability Note VU#180868 -
       <http://www.kb.cert.org/vuls/id/180868>

     * US-CERT Vulnerability Note VU#950516 -
       <http://www.kb.cert.org/vuls/id/950516>

     * US-CERT Vulnerability Note VU#959049 -
       <http://www.kb.cert.org/vuls/id/959049>

     * US-CERT Vulnerability Note VU#680526 -
       <http://www.kb.cert.org/vuls/id/680526>

     * CAN-2005-2120 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2120>

     * CAN-2005-1987 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1987>

     * CAN-2005-2122 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2122>

     * CAN-2005-2128 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2128>

     * CAN-2005-2119 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2119>

     * CAN-2005-1978 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-1978>

     * CAN-2005-2127 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-2127>

     * CAN-2005-0163 -
       <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CAN-2005-0163>

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


  _________________________________________________________________

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

   <http://www.us-cert.gov/cas/techalerts/TA05-284A.html> 
  _________________________________________________________________

   Feedback can be directed to US-CERT.  Please send email to:
   <cert@cert.org> with "TA05-284A Feedback VU#959049" in the subject.
  _________________________________________________________________

   Revision History

   Oct 11, 2004: Initial release
  _________________________________________________________________

   Produced 2005 by US-CERT, a government organization.
  
   Terms of use

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

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





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