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-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA256 =========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2016.1783 Critical: Red Hat Single Sign-On security update 20 July 2016 =========================================================================== AusCERT Security Bulletin Summary --------------------------------- Product: Red Hat Single Sign-On Publisher: Red Hat Operating System: Red Hat Impact/Access: Access Privileged Data -- Remote/Unauthenticated Resolution: Patch/Upgrade CVE Names: CVE-2016-2141 Reference: ESB-2016.1768 ESB-2016.1692 ESB-2016.1607 ESB-2016.1591 Original Bulletin: https://rhn.redhat.com/errata/RHSA-2016-1439.html - --------------------------BEGIN INCLUDED TEXT-------------------- - -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 ===================================================================== Red Hat Security Advisory Synopsis: Critical: Red Hat Single Sign-On security update Advisory ID: RHSA-2016:1439-01 Product: Red Hat Single Sign-On Advisory URL: https://rhn.redhat.com/errata/RHSA-2016-1439.html Issue date: 2016-07-19 Updated on: 2016-07-20 CVE Names: CVE-2016-2141 ===================================================================== 1. Summary: A security update is now available for Red Hat Single Sign-On 7.0 from the Customer Portal. Red Hat Product Security has rated this update as having a security impact of Critical. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. 2. Description: Red Hat Single Sign-On 7.0 is a standalone server, based on the Keycloak project, that provides authentication and standards-based SSO capabilities for web and mobile applications. This asynchronous patch is a security update for JGroups package in Red Hat Single Sign-On 7.0. More information about this vulnerability is available at: https://access.redhat.com/articles/2360521 Security Fix(es): * It was found that JGroups did not require necessary headers for encrypt and auth protocols from new nodes joining the cluster. An attacker could use this flaw to bypass security restrictions, and use this vulnerability to send and receive messages within the cluster, leading to information disclosure, message spoofing, or further possible attacks. (CVE-2016-2141) The CVE-2016-2141 issue was discovered by Dennis Reed (Red Hat). 3. Solution: The References section of this erratum contains a download link (you must log in to download the update). Before applying this update, back up your existing Red Hat Single Sign-On installation. 4. Bugs fixed (https://bugzilla.redhat.com/): 1313589 - CVE-2016-2141 Authorization bypass in JGroups 5. References: https://access.redhat.com/security/cve/CVE-2016-2141 https://access.redhat.com/security/updates/classification/#critical https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=core.service.rhsso&downloadType=securityPatches&version=7.0 https://access.redhat.com/articles/2360521 6. Contact: The Red Hat security contact is <secalert@redhat.com>. More contact details at https://access.redhat.com/security/team/contact/ Copyright 2016 Red Hat, Inc. - -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iD8DBQFXjua2XlSAg2UNWIIRAuVYAKCwY+osmoRCQ6p30MI5lBEG8Oc9QgCfeO6i HGXrHPLfiVP9YjMDSRo8Gos= =gU20 - -----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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