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AUSCERT External Security Bulletin Redistribution
ESB-2005.0050 -- Sun Alert Notification 57707
Java Runtime Environment Remote Denial-of-Service (DoS) Vulnerability
18 January 2005
AusCERT Security Bulletin Summary
Product: Java SDK and JRE
Publisher: Sun Microsystems
Operating System: Solaris
Impact: Denial of Service
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Sun(sm) Alert Notification
* Sun Alert ID: 57707
* Synopsis: Java Runtime Environment Remote Denial-of-Service (DoS)
* Category: Security
* Product: Java SDK and JRE
* BugIDs: 5037001
* Avoidance: Upgrade
* State: Resolved
* Date Released: 20-Dec-2004
* Date Closed: 20-Dec-2004
* Date Modified:
1. Impact A vulnerability in the Java Runtime Environment (JRE)
involving object deserialization could be exploited remotely to cause
the Java Virtual Machine to become unresponsive, which is a type of
Denial-of-Service (DoS). This issue can affect the JRE if an
application that runs on it accepts serialized data from an untrusted
Sun acknowledges with thanks, Marc Schoenefeld, for bringing this
issue to our attention.
2. Contributing Factors This issue can occur in the following
* SDK and JRE 1.4.2_05 and earlier, and all 1.4.1 and 1.4.0 releases
for Windows, Solaris and Linux
Note: JDK and JRE 5.0 and releases prior to SDK and JRE 1.4 are not
affected by this issue.
To determine the version of Java on a system, the following command
can be run:
% java -fullversion
java full version "1.4.1_06-b01"
3. Symptoms The Java Runtime Environment (JRE) is unresponsive.
Solution Summary Top
4. Relief/Workaround There is no workaround. Please see the
"Resolution" section below.
5. Resolution This issue is addressed in the following releases:
* SDK and JRE 1.4.2_06 and later for Windows, Solaris, and Linux
J2SE releases are available for download at:
* J2SE 5.0 at http://java.sun.com/j2se/1.5.0/download.jsp
* J2SE 1.4.2_06 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
notification may only be used for the purposes contemplated by these
Copyright 2000-2004 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved.
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