===================================================================== CERT-Renater Note d'Information No. 2007/VULN294 _____________________________________________________________________ DATE : 12/07/2007 HARDWARE PLATFORM(S) : / OPERATING SYSTEM(S) : tout système avec Sun Java System Application Server et Sun Java System Web Server ====================================================================== Sun(sm) Alert Notification * Sun Alert ID: 102992 * Synopsis: Security Vulnerability in Processing XSLT Stylesheets Affects Sun Java System Application Server and Web Server * Category: Security * Product: Sun Java System Application Server Standard Edition 8.2, Sun Java System Application Server Enterprise Edition 8.2, Sun Java System Application Server PE 9 , Sun Java System Web Server 7.0 * BugIDs: 6542007, 6523817 * Avoidance: Patch * State: Workaround * Date Released: 10-Jul-2007 * Date Closed: * Date Modified: 1. Impact Certain releases of Sun Java System Application Server and Sun Java System Web Server (listed in "Contributing Factors") do not securely process XSLT stylesheets contained in XSLT Transforms in XML Signatures. This could allow malicious XLST stylesheets to bee executed which may, for example, allow execution of an arbitrary Java method. Sun acknowledges, with thanks, Brad Hill of iSEC Partners, for bringing this issue to our attention. 2. Contributing Factors This issue can occur in the following releases: SPARC Platform * Sun Java System Web Server 7.0 without Update 1 * Sun Java System Application Server Platform Edition 8.2 without file-based patch 124679-01 or SVR4 patch 124672-02 * Sun Java System Application Server Enterprise Edition 8.2 without file-based patch 124675-01 or SVR4 patch 124672-02 * Sun Java System Application Server Platform Edition 9.0 x86 Platform * Sun Java System Web Server 7.0 without Update 1 * Sun Java System Application Server Platform Edition 8.2 without file-based patch 124680-01 or SVR4 patch 124673-02 * Sun Java System Application Server Enterprise Edition 8.2 without file-based patch 124676-01 or SVR4 patch 124673-02 * Sun Java System Application Server Platform Edition 9.0 Linux * Sun Java System Web Server 7.0 without Update 1 * Sun Java System Application Server Platform Edition 8.2 without file-based patch 124681-01 or RHEL3.0/RHEL4.0 (Pkg_patch) 124674-02 * Sun Java System Application Server Enterprise Edition 8.2 without file-based patch 124677-01 or RHEL3.0/RHEL4.0 (Pkg_patch) 124674-02 * Sun Java System Application Server Platform Edition 9.0 Windows * Sun Java System Web Server 7.0 without Update 1 * Sun Java System Application Server Platform Edition 8.2 without file-based patch 124682-01 * Sun Java System Application Server Enterprise Edition 8.2 without file-based patch 124678-01 or package-based patch 124684-02 * Sun Java System Application Server Platform Edition 9.0 HP-UX * Sun Java System Web Server 7.0 without Update 1 Note: No other versions of the applications listed above are vulnerable to this issue. To determine the version of Sun Java System Application server on a system, the following command can be run: $ /bin/asadmin version --verbose (Where is the installation directory of the Application Server). To determine the version of Sun Java System Web Server on a system, the following command can be run: $ /https-/start -version (Where is the installation directory of the Web Server and should be the actual host name on which the Web Server is installed). Note: Bug 6523817 only impacts Sun Java System Web Server, and bug 6542007 impacts Sun Java System Application Server. 3. Symptoms There are no predictable symptoms that would indicate the described issue has been exploited. 4. Relief/Workaround There is no workaround for this issue. Please see the Resolution section below. 5. Resolution This issue is addressed in the following releases: SPARC Platform * Sun Java System Web Server 7.0 with Update 1 or later * Sun Java System Application Server Platform Edition 8.2 with file-based patch 124679-01 or SVR4 patch 124672-02 or later * Sun Java System Application Server Enterprise Edition 8.2 with file-based patch 124675-01 or SVR4 patch 124672-02 or later x86 Platform * Sun Java System Web Server 7.0 with Update 1 or later * Sun Java System Application Server Platform Edition 8.2 with file-based patch 124680-01 or SVR4 patch 124673-02 or later * Sun Java System Application Server Enterprise Edition 8.2 with file-based patch 124676-01 or SVR4 patch 124673-02 or later Linux * Sun Java System Web Server 7.0 with Update 1 or later * Sun Java System Application Server Platform Edition 8.2 with file-based patch 124681-01 or RHEL3.0/RHEL4.0 (Pkg_patch) 124674-02 or later * Sun Java System Application Server Enterprise Edition 8.2 with file-based patch 124677-01 or RHEL3.0/RHEL4.0 (Pkg_patch) 124674-02 or later Windows * Sun Java System Web Server 7.0 with Update 1 or later * Sun Java System Application Server Platform Edition 8.2 with file-based patch 124682-01 or later * Sun Java System Application Server Enterprise Edition 8.2 with file-based patch 124678-01 or package-based patch 124684-02 or later HP-UX * Sun Java System Web Server 7.0 with Update 1 or later Sun Java System Web Server 7.0 Update 1 is available at http://www.sun.com/download/products.xml?id=467713d6 A final resolution is pending completion for Sun Java System Application Server Platform Edition 9.0. 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 ====================================================================== ========================================================= Les serveurs de référence du CERT-Renater http://www.urec.fr/securite http://www.cru.fr/securite http://www.renater.fr ========================================================= + CERT-RENATER | tel : 01-53-94-20-44 + + 151 bd de l'Hopital | fax : 01-53-94-20-41 + + 75013 Paris | email: certsvp@renater.fr + =========================================================