US-CERT Technical Cyber Security Alert TA10-012B -- Microsoft Windows EOT Font and Adobe Flash Player 6 Vulnerabilities

13/01/10, US-CERT Technical Cyber Security Alert TA10-012B -- Microsoft Windows EOT Font and Adobe Flash Player 6 Vulnerabilities
From: US-CERT Technical Alerts <technical-alerts@us-cert.gov>

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To: technical-alerts@us-cert.gov
Subject: US-CERT Technical Cyber Security Alert TA10-012B -- Microsoft Windows EOT Font and Adobe Flash Player 6 Vulnerabilities
From: US-CERT Technical Alerts <technical-alerts@us-cert.gov>
Date: Tue, 12 Jan 2010 18:27:03 -0500
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                    National Cyber Alert System

              Technical Cyber Security Alert TA10-012B


Microsoft Windows EOT Font and Adobe Flash Player 6 Vulnerabilities

   Original release date: 
   Last revised: --
   Source: US-CERT


Systems Affected

     * Microsoft Windows and Internet Explorer
     * Adobe (Macromedia) Flash Player 6


Overview

   Microsoft has released updates to address a vulnerability in the
   Windows Embedded Open Type (EOT) font engine. Microsoft has also
   published an Advisory about multiple vulnerabilities in Adobe
   (Macromedia) Flash Player 6 that is included with Windows XP.


I. Description

   Microsoft Security Bulletin MS10-001 describes a vulnerability in
   the Embedded Open Type (EOT) font engine in Windows. Microsoft
   Security Advisory (979267) recommends that Windows XP users remove
   or upgrade Adobe Flash Player 6 (formerly Macromedia Flash Player)
   that is included with Windows XP. Vulnerability Note VU#204889
   discusses one vulnerability in Flash Player 6 and provides several
   workarounds.

   These vulnerabilities could be exploited by loading specially
   crafted fonts or Flash content via Internet Explorer.

   Microsoft assigns the EOT font vulnerability a "low" severity
   rating in most current versions of Windows and notes that reliable
   code execution is unlikely. The severity rating for Windows 2000,
   however, is "critical."


II. Impact

   A remote, unauthenticated attacker could execute arbitrary code,
   gain elevated privileges, or cause a vulnerable application to
   crash.


III. Solution

   Apply updates from Microsoft

   Microsoft Security Bulletin MS10-001 provides updates for the EOT
   font vulnerability. The security bulletin describes 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).

   Upgrade, Remove, or Disable Adobe Flash Player 6

   Adobe Flash Player 6 is included with Windows XP. Adobe has
   addresssed these vulnerabilities in newer versions of Flash Player.
   Upgrade to a more recent version of Flash Player (such as Flash
   Player 10). Alternatively, uninstall Flash Player or set the kill
   bit for the Flash Player ActiveX control as described in Microsoft
   Security Advisory (979267) and Vulnerability Note VU#204889.


IV. References

 * Microsoft Security Bulletin Summary for January 2010 -
   <http://www.microsoft.com/technet/security/bulletin/ms10-jan.mspx>

 * Microsoft Security Bulletin MS10-001 -
   <http://www.microsoft.com/technet/security/bulletin/ms10-001.mspx>

 * MS10-001: Font file decompression vulnerability -
   <http://blogs.technet.com/srd/archive/2010/01/12/ms10-001-font-file-decompression-vulnerability.aspx>

 * CVE-2010-0018 -
   <http://www.cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0018>

 * Vulnerabilities in Adobe Flash Player 6 Provided in Windows XP
   Could Allow Remote Code Execution -
   <http://www.microsoft.com/technet/security/advisory/979267.mspx>

 * Vulnerability Note VU#204889 -
   <http://www.kb.cert.org/vuls/id/204889>

 * Adobe Flash Player - <http://get.adobe.com/flashplayer/>

 * How to uninstall the Adobe Flash Player plug-in and ActiveX control
   -
   <http://kb2.adobe.com/cps/141/tn_14157.html>

 * Windows Server Update Services (WSUS) -
   <http://technet.microsoft.com/en-us/wsus/default.aspx>

 ____________________________________________________________________

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

     <http://www.us-cert.gov/cas/techalerts/TA10-012B.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA10-012B Feedback VU#552113" in
   the subject.
 ____________________________________________________________________

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

   Produced 2010 by US-CERT, a government organization.

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

Revision History

  January 12, 2010: Initial release


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