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US-CERT Technical Cyber Security Alert TA06-153A -- Mozilla Products Contain Multiple Vulnerabilities

From:  CERT Advisory <cert-advisory-AT-cert.org>
To:  cert-advisory-AT-cert.org
Subject:  US-CERT Technical Cyber Security Alert TA06-153A -- Mozilla Products Contain Multiple Vulnerabilities
Date:  Fri, 2 Jun 2006 14:57:33 -0400


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                        National Cyber Alert System

                Technical Cyber Security Alert TA06-153A


Mozilla Products Contain Multiple Vulnerabilities

   Original release date: June 2, 2006
   Last revised: --
   Source: US-CERT


Systems Affected

     * Mozilla SeaMonkey
     * Firefox web browser
     * Thunderbird email client

   Any products based on Mozilla components, particularly Gecko, may also
   be affected.


Overview

   The Mozilla web browser and derived products contain several
   vulnerabilities, the most serious of which could allow a remote
   attacker to execute arbitrary code on an affected system.


I. Description

   Several vulnerabilities have been reported in the Mozilla web browser
   and derived products. More detailed information is available in the
   individual vulnerability notes, including:


   VU#237257 - Mozilla privilege escalation using addSelectionListener 

   A privilege escalation vulnerability exists in the Mozilla
   addSelectionListener method. This may allow a remote attacker to
   execute arbitrary code.


   VU#421529 - Mozilla contains a buffer overflow vulnerability in
   crypto.signText() 

   Mozilla products contain a buffer overflow in the crypto.signText()
   method. This may allow a remote attacker to execute arbitrary code.


   VU#575969 - Mozilla may process content-defined setters on object
   prototypes with elevated privileges 

   Mozilla allows content-defined setters on object prototypes to execute
   with elevated privileges. This may allow a remote attacker to execute
   arbitrary code.


   VU#243153 - Mozilla may associate persisted XUL attributes with an
   incorrect URL 

   Mozilla can allow persisted XUL attributes to associate with the wrong
   URL. This may allow a remote attacker to execute arbitrary code.


   VU#466673 - Mozilla contains multiple memory corruption
   vulnerabilities 

   Mozilla contains several memory corruption vulnerabilities. This may
   allow a remote attacker to execute arbitrary code.


II. Impact

   The most severe impact of these vulnerabilities could allow a remote
   attacker to execute arbitrary code with the privileges of the user
   running the affected application. Other effects include a denial of
   service or local information disclosure.


III. Solution

Upgrade

   Upgrade to Mozilla Firefox 1.5.0.4, Mozilla Thunderbird 1.5.0.4, or
   SeaMonkey 1.0.2.

Disable JavaScript

   These vulnerabilities can be mitigated by disabling JavaScript.


Appendix A. References

     * US-CERT Vulnerability Note VU#237257 -
       <http://www.kb.cert.org/vuls/id/237257>

     * US-CERT Vulnerability Note VU#421529 -
       <http://www.kb.cert.org/vuls/id/421529>

     * US-CERT Vulnerability Note VU#575969 -
       <http://www.kb.cert.org/vuls/id/575969>

     * US-CERT Vulnerability Note VU#243153 -
       <http://www.kb.cert.org/vuls/id/243153>

     * US-CERT Vulnerability Note VU#466673 -
       <http://www.kb.cert.org/vuls/id/466673>

     * Mozilla Foundation Security Advisories -
       <http://www.mozilla.org/security/announce/>

     * US-CERT Vulnerability Notes Related to June Mozilla Security
       Advisories -
       <http://www.kb.cert.org/vuls/byid?searchview&query=fir...>

     * Mozilla Foundation Security Advisories -
       <http://www.mozilla.org/projects/security/known-vulnerabil...>

     * Firefox - Rediscover the Web - <http://www.mozilla.com/firefox/>

     * Thunderbird - Reclaim your inbox -
       <http://www.mozilla.com/thunderbird/>

     * The SeaMonkey Project -
       <http://www.mozilla.org/projects/seamonkey/>

     * Securing Your Web Browser -

<http://www.us-cert.gov/reading_room/securing_browser/brow...>


 ____________________________________________________________________

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

     <http://www.us-cert.gov/cas/techalerts/TA06-153A.html>
 ____________________________________________________________________

   Feedback can be directed to US-CERT Technical Staff. Please send
   email to <cert@cert.org> with "TA06-153A Feedback VU#237257" 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

   Jun 2, 2006: Initial release




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