US-CERT Technical Cyber Security Alert TA10-223A -- Adobe Flash and AIR Vulnerabilities

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                    National Cyber Alert System

              Technical Cyber Security Alert TA10-223A


Adobe Flash and AIR Vulnerabilities

   Original release date: August 11, 2010
   Last revised: --
   Source: US-CERT


Systems Affected

     * Adobe Flash Player 10.1.53.64 and earlier 10.x versions
     * Adobe Flash Player 9.0.277.0 and earlier 9.x versions
     * Adobe AIR 2.0.2.12610 and earlier versions
     * Adobe Reader 9.3.3 and earlier 9.x versions

     Other Adobe products that support Flash may also be vulnerable.


Overview

   According to Adobe Security Bulletin APSB10-16, there are
   vulnerabilities in Adobe Flash and AIR. These vulnerabilities
   affect Flash Player, AIR, and possibly other products that support
   Flash. A remote attacker could exploit these vulnerabilities to
   execute arbitrary code.


I. Description

   Adobe Security Bulletin APSB10-16 describes vulnerabilities in
   Adobe Flash that affect Flash Player and AIR. These vulnerabilities
   may also affect other products that independently support Flash,
   such as Adobe Reader, Acrobat, Photoshop, Photoshop Lightroom,
   Freehand MX, and Fireworks.

   An attacker could exploit these vulnerabilities by convincing a
   user to open specially crafted Flash content. Flash content is
   commonly hosted on a web page, but it can also be embedded in a PDF
   and other documents or provided as a stand-alone file.


II. Impact

   If a user opens specially crafted Flash content, a remote attacker
   may be able to execute arbitrary code.


III. Solution

   Update Flash and AIR


   Adobe Security Bulletin APSB10-16 recommends updating to Flash
   Player 10.1.82.76 or 9.0.280 and to AIR 2.0.3. This will update the
   Flash web browser plug-in and ActiveX control, as well as AIR.
   However, it will not update Flash support in Adobe Reader, Acrobat,
   or other products.

   To reduce your exposure to these and other Flash vulnerabilities,
   consider the following mitigation technique.

   Disable Flash in your web browser


   Uninstall Flash or restrict which sites are allowed to run Flash.
   To the extent possible, only run trusted Flash content on trusted
   domains. For more information, see Securing Your Web Browser.

   Additional workarounds are available in US-CERT Vulnerability Note
   VU#660993.


IV. References

 * Adobe Security Bulletin APSB10-16 -
   <http://www.adobe.com/support/security/bulletins/apsb10-16.html>

 * US-CERT Vulnerability Report VU#660993 -
   <http://www.kb.cert.org/vuls/id/660993>

 * Securing Your Web Browser -
   <http://www.us-cert.gov/reading_room/securing_browser/>

 ____________________________________________________________________

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

     <http://www.us-cert.gov/cas/techalerts/TA10-223A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@xxxxxxxx> with "TA10-223A Feedback VU#660993" 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.

   Terms of use:

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

Revision History

  August 11, 2010: Initial release


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