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             AUSCERT External Security Bulletin Redistribution

                        ESB-2007.1030 -- [Solaris]
Multiple Security Vulnerabilities in Firefox and Thunderbird for Solaris 10
   May Allow Execution of Arbitrary Code and Access to Unauthorized Data
                               20 March 2008

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        AusCERT Security Bulletin Summary
        ---------------------------------

Product:              Mozilla Firefox 2.0
                      Mozilla Thunderbird
Publisher:            Sun Microsystems
Operating System:     Solaris 10
Impact:               Execute Arbitrary Code/Commands
                      Cross-site Scripting
                      Inappropriate Access
                      Denial of Service
Access:               Remote/Unauthenticated
                      Existing Account
CVE Names:            CVE-2007-3845 CVE-2007-3844 CVE-2007-3738
                      CVE-2007-3737 CVE-2007-3736 CVE-2007-3735
                      CVE-2007-3734 CVE-2007-3656 CVE-2007-3285
                      CVE-2007-3089

Ref:                  ESB-2007.0822
                      ESB-2007.0576
                      ESB-2007.0404

Revision History:        March 20 2008: Updated the resolution section to 
                                        include the patches for Thunderbird.
                       January 10 2008: Updated the Impact section removing 
                                        the CVE links. 
                                        Updated the Contributing Factors to 
                                        provide more detail on vulnerable 
                                        releases. 
                                        Updated the workaround to align CVE 
                                        and MFSA references. 
                                        Updated the resolution section to 
                                        list patches for Solaris 10.  
                      December 20 2007: Initial Release

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Solution Type: Sun Alert
   Solution  201516 :   Multiple Security Vulnerabilities in Firefox and
   Thunderbird for Solaris 10 May Allow Execution of Arbitrary Code and
   Access to Unauthorized Data          
   Previously Published As: 103177

   Product
   Firefox 2.0
   Solaris 10 Operating System

   Bug ID: 6582544, 6619093

   Date of Workaround Release: 18-DEC-2007

   Date of Resolved Release: 17-Mar-2008

   SA Document Body
   Multiple Security Vulnerabilities in Firefox and Thunderbird for 
   Solaris 10 May Allow Execution of Arbitrary Code and Access to 
   Unauthorized Data

   1. Impact

   Multiple security vulnerabilities in the Firefox and Thunderbird
   applications shipped with Solaris 10 may allow local and remote
   unprivileged users to inject arbitrary URLs into affected web pages,
   execute arbitrary code on a remote machine, gain access to
   unauthorized data or cause a Denial of Service (DoS).

   The following Mozilla advisories describe the vulnerabilities:

   http://www.mozilla.org/security/announce/2007/mfsa2007-18.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-19.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-20.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-21.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-22.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-24.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-25.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-26.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-27.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-28.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-29.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-30.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-31.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-32.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-33.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-34.html

   http://www.mozilla.org/security/announce/2007/mfsa2007-35.html

   Additional references:

   CERT Technical Cyber Security Alert TA07-199A at
   http://www.us-cert.gov/cas/techalerts/TA07-199A.html

   US-CERT VU#143297 at http://www.kb.cert.org/vuls/id/143297

   US-CERT VU#783400 at http://www.kb.cert.org/vuls/id/783400

   US-CERT VU#403150 at http://www.kb.cert.org/vuls/id/403150
   2. Contributing Factors

   These issues can occur in the following releases:

   SPARC Platform
     * Firefox 2.0 for Solaris 10 without patch 125539-02
     * Thunderbird 2.0 for Solaris 10 without patch 125541-02

   x86 Platform
     * Firefox 2.0 for Solaris 10 without patch 125540-02
     * Thunderbird 2.0 for Solaris 10 without patch 125542-02

   Note: Solaris 8 and Solaris 9 do not ship Firefox and Thunderbird and
   therefore are not affected by these issues.
   3. Symptoms

   There are no predictable symptoms that would indicate the described
   issues have been exploited.
   4. Workaround

   A) To work around the issues described in MFSA-2007-20, disable
   JavaScript by doing the following:
    1. Open the "Preferences" dialog from the Edit menu
    2. Select the "Content" tab
    3. Uncheck the "Enable JavaScript" check box

   B) The workaround for MFSA-2007-26 would depend on the "add-on" in
   question. The workaround for Web Developer Toolbar add-on is to use it
   in its default configuration. Other affected add-ons might not have a
   workaround other than to upgrade to a fixed version of Firefox.

   C) To work around the issues described in MFSA-2007-27, force
   mail-related links to prompt in Firefox before launching external
   programs by doing the following:
    1. Enter 'about:config' in the location bar
    2. Enter 'warn-external' in the Filter: box
    3. Double-click to set the mailto, news, nntp and snews lines to
       'true'.

   Note:

     CVE-2007-3089 = MFSA-2007-20

     CVE-2007-3844 = MFSA-2007-26

     CVE-2007-3845 = MFSA-2007-27

   5. Resolution

   These issues are addressed in the following releases:

   SPARC Platform
     * Firefox 2.0 for Solaris 10 with patch 125539-02 or later
     * Thunderbird 2.0 for Solaris 10 with patch 125541-02 or later

   x86 Platform
     * Firefox 2.0 for Solaris 10 with patch 125540-02 or later
     * Thunderbird 2.0 for Solaris 10 with patch 125542-02 or later

   Note 1: The resolution for bug 6582544 is contained in revision -01 of
   the above patches (and as a result the above quoted -02 revisions
   contain the resolutions for both issues).

   Note 2: Thunderbird patches 125541-01 (SPARC) and 125542-01 (x86)
   contain the resolution for bug 6582544. A fix for bug 6619093 for
   Thunderbird is available in patches 125541-02 (SPARC) and 125542-02
   (x86) and is described for Thunderbird in Sun Alert 231441.

   For more information on Security Sun Alerts, see Technical
   Instruction ID 213557.
   This Sun Alert notification is being provided to you on an "AS IS"
   basis. This Sun Alert notification may contain information provided by
   third parties. The issues described in this Sun Alert notification may
   or may not impact your system(s). Sun makes no representations,
   warranties, or guarantees as to the information contained herein. ANY
   AND ALL WARRANTIES, EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION
   WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
   NON-INFRINGEMENT, ARE HEREBY DISCLAIMED. BY ACCESSING THIS DOCUMENT
   YOU ACKNOWLEDGE THAT SUN SHALL IN NO EVENT BE LIABLE FOR ANY DIRECT,
   INDIRECT, INCIDENTAL, PUNITIVE, OR CONSEQUENTIAL DAMAGES THAT ARISE
   OUT OF YOUR USE OR FAILURE TO USE THE INFORMATION CONTAINED HEREIN.
   This Sun Alert notification contains Sun proprietary and confidential
   information. It is being provided to you pursuant to the provisions of
   your agreement to purchase services from Sun, or, if you do not have
   such an agreement, the Sun.com Terms of Use. This Sun Alert
   notification may only be used for the purposes contemplated by these
   agreements.
   Copyright 2000-2008 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved

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