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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== 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 =========================================================================== 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 - --------------------------BEGIN INCLUDED TEXT-------------------- 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 - --------------------------END INCLUDED TEXT-------------------- You have received this e-mail bulletin as a result of your organisation's registration with AusCERT. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AusCERT's members. As AusCERT did not write the document quoted above, AusCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AusCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: http://www.auscert.org.au/render.html?cid=1980 If you believe that your computer system has been compromised or attacked in any way, we encourage you to let us know by completing the secure National IT Incident Reporting Form at: http://www.auscert.org.au/render.html?it=3192 =========================================================================== Australian Computer Emergency Response Team The University of Queensland Brisbane Qld 4072 Internet Email: auscert@auscert.org.au Facsimile: (07) 3365 7031 Telephone: (07) 3365 4417 (International: +61 7 3365 4417) AusCERT personnel answer during Queensland business hours which are GMT+10:00 (AEST). On call after hours for member emergencies only. =========================================================================== -----BEGIN PGP SIGNATURE----- Comment: http://www.auscert.org.au/render.html?it=1967 iQCVAwUBRYnHwSh9+71yA2DNAQIxfgQAmcSgH/7jd5t0wTkmipod/3ddTqG8SSsb 2kIXRQ4gsTFaIDDpnBkhE4Sb9bq8saV2Peq6GTN8yJj2d9jsu/rR3P/oPCyWjUVG /ooXS0vTFwfDBWuygc8FoZ4DJyz5dK7H7qS6P4ZStAiFafh/gEp7/96C1UhM8ThX kcTvZS+1h2s= =NMBM -----END PGP SIGNATURE-----