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Published:

14 June 2005

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             AUSCERT External Security Bulletin Redistribution

              ESB-2005.0458 -- Sun Alert Notification 101749
         Security Vulnerability With Java Runtime Environment May
               Allow Untrusted Applet to Elevate Privileges
                               15 June 2005

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

Product:           Java 2 Platform, Standard Edition (J2SE) 5.0 Software
                   J2SE 1.4.2_07 and earlier 1.4.2 releases
Publisher:         Sun Microsystems
Operating System:  Linux variants
                   Solaris
                   Windows
Impact:            Increased Privileges
                   Execute Arbitrary Code/Commands
Access:            Remote/Unauthenticated

Original Bulletin:
  http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-101749-1

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Sun(sm) Alert Notification
     * Sun Alert ID: 101749
     * Synopsis: Security Vulnerability With Java Runtime Environment May
       Allow Untrusted Applet to Elevate Privileges
     * Category: Security
     * Product: Java 2 Platform, Standard Edition 5.0 Software
     * BugIDs: 6224433, 6224438
     * Avoidance: Upgrade
     * State: Resolved
     * Date Released: 13-Jun-2005
     * Date Closed: 13-Jun-2005
     * Date Modified: 

1. Impact

   A vulnerability 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, Adam Gowdiak, for bringing this issue
   to our attention.

2. Contributing Factors

   This issue can occur in the following releases:
     * Java 2 Platform, Standard Edition(J2SE) 5.0 and 5.0 Update 1 for
       Windows, Solaris and Linux
     * J2SE 1.4.2_07 and earlier 1.4.2 releases for Windows, Solaris and
       Linux

   Note: J2SE 1.3.1_xx releases for Windows, Solaris and Linux are not
   affected.

   To determine the version of Java on a system, the following command
   can be run:
    % java -fullversion
    java full version "1.5.0_02-b09"


3. Symptoms

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

4. Relief/Workaround

   There is no workaround for this issue.

5. Resolution

   This issue is addressed in the following releases:
     * Java 2 Platform, Standard Edition(J2SE) 5.0 Update 2 and later for
       Windows, Solaris, and Linux
     * J2SE 1.4.2_08 and later for Windows, Solaris, and Linux

   J2SE 5.0 and 1.4.2 are available for download at the following links:

   5.0 at: http://java.sun.com/j2se/1.5.0/download.jsp and http://java.com

   1.4.2 at: http://java.sun.com/j2se/1.4.2/download.html

   Note: It is recommended that affected versions be removed from your
   system. For more information, please see the installation notes on the
   respective java.sun.com download pages.

   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 2000-2005 Sun Microsystems, Inc., 4150 Network Circle, Santa
   Clara, CA 95054 U.S.A. All rights reserved

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