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AUSCERT External Security Bulletin Redistribution
ESB-2006.0934 -- [Win][Linux][Solaris]
Security Vulnerabilities Related to Serialization in the Java Runtime
Environment may Allow Untrusted Applets to Elevate Privileges
21 December 2006
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AusCERT Security Bulletin Summary
---------------------------------
Product: JDK and JRE 5.0 Update 7 and earlier
SDK and JRE 1.4.2_12 and earlier
Publisher: Sun Microsystems
Operating System: Linux variants
Solaris
Windows
Impact: Increased Privileges
Access: Remote/Unauthenticated
Original Bulletin:
http://sunsolve.sun.com/search/printfriendly.do?assetkey=1-26-102731-1
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Sun(sm) Alert Notification
* Sun Alert ID: 102731
* Synopsis: Security Vulnerabilities Related to Serialization in the
Java Runtime Environment may Allow Untrusted Applets to Elevate
Privileges
* Category: Security
* Product: Java 2 Platform, Standard Edition
* BugIDs: 6387628, 6393286
* Avoidance: Patch, Upgrade
* State: Resolved
* Date Released: 19-Dec-2006
* Date Closed: 19-Dec-2006
* Date Modified:
1. Impact
Two vulnerabilities related to serialization in the Java Runtime
Environment may independently allow an untrusted applet or application
to elevate its privileges.
Sun acknowledges, with thanks, Tom Hawtin, for bringing these issues
to our attention.
2. Contributing Factors
These issues can occur in the following releases (for Windows,
Solaris, and Linux):
* JDK and JRE 5.0 Update 7 and earlier
* SDK and JRE 1.4.2_12 and earlier
Note: SDK and JRE 1.3.x are not affected.
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 indicate the described issue
has been exploited.
4. Relief/Workaround
There is no workaround.
5. Resolution
These issues are addressed in the following releases (for Windows,
Solaris, and Linux):
* JDK and JRE 5.0 Update 8 or later
* SDK and JRE 1.4.2_13 or later
Note: JRE 5.0 Update 8 for Solaris was also delivered in the following
patches:
* J2SE 5.0: update 8 (as delivered in patch 118666-07)
* J2SE 5.0: update 8 (as delivered in patch 118667-07 (64bit))
* J2SE 5.0_x86: update 8 (as delivered in patch 118668-07)
* J2SE 5.0_x86: update 8 (as delivered in patch 118669-07
(64bit))
The latest releases for J2SE are available for download at:
J2SE 5.0:
* http://java.sun.com/javase/downloads/index_jdk5.jsp
* http://java.com
J2SE 5.0 Update 9 for Solaris is also available in the following
patches:
* J2SE 5.0: update 9 (as delivered in patch 118666-09)
* J2SE 5.0: update 9 (as delivered in patch 118667-09 (64bit))
* J2SE 5.0_x86: update 9 (as delivered in patch 118668-09)
* J2SE 5.0_x86: update 9 (as delivered in patch 118669-09
(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. 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 2000-2006 Sun Microsystems, Inc., 4150 Network Circle, Santa
Clara, CA 95054 U.S.A. All rights reserved
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===========================================================================
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