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             AUSCERT External Security Bulletin Redistribution

                  ESB-2007.0624 -- [Win][Linux][Solaris]
 Vulnerability in the Java Runtime Environment Font Parsing Code may Allow
                 an Untrusted Applet to Elevate Privileges
                              17 August 2007

===========================================================================

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

Product:              JDK and JRE 5.0 Update 9 and prior
                      SDK and JRE 1.4.2_14 and prior
Publisher:            Sun Microsystems
Operating System:     Windows
                      Linux variants
                      Solaris
Impact:               Increased Privileges
Access:               Remote/Unauthenticated

Original Bulletin:    
  http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-103024-1

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Sun(sm) Alert Notification
     * Sun Alert ID: 103024
     * Synopsis: Vulnerability in the Java Runtime Environment Font
       Parsing Code may Allow an Untrusted Applet to Elevate Privileges
     * Category: Security
     * Product: Java 2 Platform, Standard Edition
     * BugIDs: 6376296
     * Avoidance: Patch, Upgrade
     * State: Resolved
     * Date Released: 15-Aug-2007
     * Date Closed: 15-Aug-2007
     * Date Modified: 

1. Impact

   A vulnerability in the font parsing code in the Java Runtime
   Environment may allow an untrusted applet to elevate its privileges.
   For example, an applet may grant itself permissions to read and write
   local files or execute local applications that are accessible to the
   user running the untrusted applet.

   Sun acknowledges, with thanks, John Heasman of NGSSoftware, for
   bringing this issue to our attention.

2. Contributing Factors

   This issue can occur in the following releases (for Solaris, Linux,
   and Windows):
     * JDK and JRE 5.0 Update 9 and earlier
     * SDK and JRE 1.4.2_14 and earlier

   Note: JDK and JRE 6 and SDK and JRE 1.3.1_xx are not affected by this
   issue.

   To determine the default version of the JRE on a system for Solaris
   and Linux, the following command can be run:
    % java -version

   Note: The above command only determines the default version. Other
   versions may also be installed on the system.

   To determine the default version of the JRE on a system for Windows:
    1. Click "Start"
    2. Select "Run"
    3. Type "cmd" (starts a command-line)
    4. At the prompt, type "java -version"

   Note: The above command only determines the default version. Other
   versions may also be installed on the system.

3. Symptoms

   There are no reliable symptoms that would show the described issue has
   been exploited. 

4. Relief/Workaround

   There is no workaround. Please see the Resolution section below.

5. Resolution

   This issue is addressed in the following releases (for Solaris, Linux,
   and Windows):
     * JDK and JRE 5.0 Update 10 or later
     * SDK and JRE 1.4.2_15 or later

   J2SE 5.0 is available for download at the following link:
     * http://java.sun.com/j2se/1.5.0/download.jsp

   The latest J2SE 5.0 Update Release for Solaris is also available in
   the following patches:
     * J2SE 5.0: update 12 (as delivered in patch 118666-12)
     * J2SE 5.0: update 12 (as delivered in patch 118667-12 (64bit))
     * J2SE 5.0_x86: update 12 (as delivered in patch 118668-12)
     * J2SE 5.0_x86: update 12 (as delivered in patch 118669-12
       (64bit))

   J2SE 1.4.2 is available for download at:
     * http://java.sun.com/j2se/1.4.2/download.html

   Note: When installing a new version of the product from a source other
   than a Solaris patch, it is recommended that the old affected versions
   be removed from your system. To remove old affected versions on the
   Windows platform, please see:
     * http://java.com/en/download/help/uninstall_java.xml

   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 2000-2006 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved

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===========================================================================
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The University of Queensland
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Qld 4072

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