Date: 11 August 2011
References: ESB-2011.0736 ESB-2011.0906 ESB-2012.0122
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AUSCERT External Security Bulletin Redistribution
Important: JBoss Communications Platform 5.1.1 update
11 August 2011
AusCERT Security Bulletin Summary
Product: JBoss Communications Platform
Publisher: Red Hat
Operating System: Red Hat
Impact/Access: Execute Arbitrary Code/Commands -- Remote with User Interaction
CVE Names: CVE-2011-1484
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Red Hat Security Advisory
Synopsis: Important: JBoss Communications Platform 5.1.1 update
Advisory ID: RHSA-2011:1148-01
Product: JBoss Enterprise Middleware
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1148.html
Issue date: 2011-08-10
CVE Names: CVE-2011-1484
JBoss Communications Platform 5.1.1, which fixes one security issue and
various bugs, 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.
The JBoss Communications Platform (JBCP) is an open source VoIP platform
certified for JAIN SLEE 1.1 and SIP Servlets 1.1 compliance. JBCP serves as
a high performance core for Service Delivery Platforms (SDPs) and IP
Multimedia Subsystems (IMSs) by leveraging J2EE to enable the convergence
of data and video in Next-Generation Intelligent Network (NGIN)
This release of JBoss Communications Platform 5.1.1 serves as a replacement
to JBoss Communications Platform 5.1.0. It includes various bug fixes which
are detailed in the Release Notes. The Release Notes will be available
shortly from the link in the References section.
The following security issue is also fixed with this release:
It was found that JBoss Seam 2 did not properly block access to JBoss
Expression Language (EL) constructs in page exception handling, allowing
arbitrary Java methods to be executed. A remote attacker could use this
flaw to execute arbitrary code via a specially-crafted URL provided to
certain applications based on the JBoss Seam 2 framework. Note: A properly
configured and enabled Java Security Manager would prevent exploitation of
this flaw. (CVE-2011-1484)
If you have created custom applications that are packaged with a copy of
the JBoss Seam 2 library, those applications must be rebuilt with the
updated jboss-seam.jar file provided by this update.
Red Hat would like to thank Martin Kouba from IT SYSTEMS a.s. for reporting
Warning: Before applying this update, back up all applications deployed on
JBoss Communications Platform, along with all customized configuration
All users of JBoss Communications Platform 5.1.0 as provided from the Red
Hat Customer Portal are advised to upgrade to JBoss Communications
The References section of this erratum contains a download link (you must
log in to download the update).
4. Bugs fixed (http://bugzilla.redhat.com/):
692421 - CVE-2011-1484 JBoss Seam privilege escalation caused by EL interpolation in FacesMessages
The Red Hat security contact is <firstname.lastname@example.org>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2011 Red Hat, Inc.
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