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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2013.0209 Important: JBoss Enterprise Application Platform 4.3.0 CP10 security update 15 February 2013 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: JBoss Enterprise Application Platform Publisher: Red Hat Operating System: Windows Red Hat Enterprise Linux WS/Desktop 5 Red Hat Enterprise Linux Server 6 Red Hat Enterprise Linux AS/ES/WS 4 Solaris Impact/Access: Access Confidential Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2011-1096 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2013-0261.html Comment: This advisory references vulnerabilities in products which run on platforms other than Red Hat. It is recommended that administrators running JBoss Enterprise Application Platform check for an updated version of the software for their operating system. - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Important: JBoss Enterprise Application Platform 4.3.0 CP10 security update Advisory ID: RHSA-2013:0261-01 Product: JBoss Enterprise Application Platform Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0261.html Issue date: 2013-02-14 CVE Names: CVE-2011-1096 ===================================================================== 1. Summary: An update for the JBoss Web Services component in JBoss Enterprise Application Platform 4.3.0 CP10 which fixes one security issue is now available from the Red Hat Customer Portal. The Red Hat Security Response Team has rated this update as having important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section. 2. Description: JBoss Enterprise Application Platform is a platform for Java applications, which integrates the JBoss Application Server with JBoss Hibernate and JBoss Seam. An attack technique was found against the W3C XML Encryption Standard when block ciphers were used in cipher-block chaining (CBC) mode. A remote attacker could use this flaw to conduct chosen-ciphertext attacks, leading to the recovery of the entire plain text of a particular cryptogram by examining the differences between SOAP (Simple Object Access Protocol) responses sent from JBoss Web Services. (CVE-2011-1096) Red Hat would like to thank Juraj Somorovsky of Ruhr-University Bochum for reporting this issue. Note: Manual action is required to apply this update. The CVE-2011-1096 issue is an attack on the WS-Security standard itself. Using new Galois/Counter Mode (GCM) based algorithms for WS-Security encryption is the W3C suggested way of dealing with this issue. To use GCM algorithms in your application, update the encrypt element of all jboss-ws-security configuration to specify a GCM algorithm. The following is an example directive: encrypt type="x509v3" algorithm="aes-128-gcm" alias="wsse" Warning: Before applying this update, back up your existing JBoss Enterprise Application Platform installation (including all applications and configuration files). All users of JBoss Enterprise Application Platform 4.3.0 CP10 as provided from the Red Hat Customer Portal are advised to apply this update. 3. Solution: The References section of this erratum contains a download link (you must log in to download the update). Before applying the update, back up your existing JBoss Enterprise Application Platform installation (including all applications and configuration files). The JBoss server process must be restarted for this update to take effect. 4. Bugs fixed (http://bugzilla.redhat.com/): 681916 - CVE-2011-1096 jbossws: Prone to character encoding pattern attack (XML Encryption flaw) 5. References: https://www.redhat.com/security/data/cve/CVE-2011-1096.html https://access.redhat.com/security/updates/classification/#important https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=4.3.0.GA_CP10 6. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2013 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.4 (GNU/Linux) iD8DBQFRHTB6XlSAg2UNWIIRAhDwAJ9mHw37uqesBmOyw43NOkhImSd2ogCfR3zN uQRafOvMvrFpMAap+imA0rs= =YRxC - -----END PGP SIGNATURE----- - --------------------------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. 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