<table width=100% cellpadding=2 cellspacing=0 border=0><tr bgcolor=#999999>
<td><font size=2 color=#ffffff><b><a name=Description>Description</a></b></font></td>
<td align=right><b><a href="#top"><font size=2 color=#ffffff>Top</font></a></b></td></tr></table>
<font size=2><h2>
        Sun(sm) Alert Notification
      </h2><ul>
        <li>
          Sun Alert ID: 57555
        </li>
        <li>
          Synopsis: Java Runtime Environment Remote Denial of Service (DoS) Vulnerability
        </li>
        <li>
          Category: Security
        </li>
        <li>
          Product: Java JRE/SDK
        </li>
        <li>
          BugIDs: 4879522
        </li>
        <li>
          Avoidance: Upgrade
        </li>
        <li>
          State: Resolved
        </li>
        <li>
          Date Released: 06-May-2004
        </li>
        <li>
          Date Closed: 06-May-2004 
        </li>
        <li>
          Date Modified:
        </li>
      </ul><h2>
        1. Impact
      </h2><p>
        A vulnerability in the Java Runtime Environment may allow a remote unprivileged user to cause the Java Virtual Machine to become unresponsive resulting in a Denial of Service (DoS) condition for the runtime environment and servers that run on the runtime environment.
      </p><h2>
        2. Contributing Factors
      </h2><p>
        This issue can occur in the following releases:
      </p><p>
        <b>Windows Production Releases </b>
      </p><ul>
        <li>
          SDK and JRE 1.4.2_03 or earlier 1.4.2 releases
        </li>
      </ul><p>
        <b>Solaris Operating Environment Releases </b>
      </p><ul>
        <li>
          SDK and JRE 1.4.2_03 or earlier 1.4.2 releases
        </li>
      </ul><p>
        <b>Linux Production Releases</b>
      </p><ul>
        <li>
          SDK and JRE 1.4.2_03 or earlier 1.4.2 releases
        </li>
      </ul><p>
        <b>Note:</b> Releases prior to 1.4.2 are not affected.
      </p><p>
        To determine the release of an installation, run the "java" command with the "-fullversion" option: 
      </p><pre>    $ <b>java -fullversion</b>
    java full version "1.4.2_04-b03
      </pre><h2>
        3. Symptoms
      </h2><p>
        If the described issue occurs, the Java Runtime Environment is unresponsive.
      </p></font><table width=100% cellpadding=2 cellspacing=0 border=0><tr bgcolor=#999999>
<td><font size=2 color=#ffffff><b><a name=Solution-Summary>Solution Summary</a></b></font></td>
<td align=right><b><a href="#top"><font size=2 color=#ffffff>Top</font></a></b></td></tr></table>
<font size=2><h2>
        4. Relief/Workaround
      </h2><p>
        There is no workaround. Please see the "Resolution" section below.
      </p><h2>
        5. Resolution
      </h2><p>
        This issue is addressed in the following releases:
      </p><p>
        <b>Windows Production Releases</b>
      </p><ul>
        <li>
          SDK and JRE 1.4.2_04 or later 1.4.2 releases
        </li>
      </ul><p>
        <b>Solaris Operating Environment Releases</b>
      </p><ul>
        <li>
          SDK and JRE 1.4.2_04 or later 1.4.2 releases
        </li>
      </ul><p>
        <b>Linux Production Releases</b>
      </p><ul>
        <li>
          SDK and JRE 1.4.2_04 or later 1.4.2 releases
        </li>
      </ul><p>
        SDK and JRE releases are available at: <a href="http://java.sun.com/j2se/">http://java.sun.com/j2se/</a>
      </p><p>
        <i>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.</i>
      </p><p>
        <i>Copyright 2000-2004 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, CA 95054 U.S.A. All rights reserved.</i>