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[RHSA-2011:0461-01] Important: jboss-seam2 security update



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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: jboss-seam2 security update
Advisory ID:       RHSA-2011:0461-01
Product:           JBoss Enterprise Application Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0461.html
Issue date:        2011-04-20
CVE Names:         CVE-2011-1484 
=====================================================================

1. Summary:

Updated jboss-seam2 packages that fix one security issue are now available
for JBoss Enterprise Application Platform 5.1 for Red Hat Enterprise Linux
4 and 5.

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. Relevant releases/architectures:

JBoss Enterprise Application Platform 5 for RHEL 4 AS - noarch
JBoss Enterprise Application Platform 5 for RHEL 4 ES - noarch
JBoss Enterprise Application Platform 5 for RHEL 5 Server - noarch

3. Description:

The JBoss Seam 2 framework is an application framework for building web
applications in Java.

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)

Red Hat would like to thank Martin Kouba from IT SYSTEMS a.s. for reporting
this issue.

Users of jboss-seam2 should upgrade to these updated packages, which
correct this issue. The JBoss server process must be restarted for this
update to take effect.

4. Solution:

Before applying this update, make sure all previously-released errata
relevant to your system have been applied.

This update is available via the Red Hat Network. Details on how to
use the Red Hat Network to apply this update are available at
https://access.redhat.com/kb/docs/DOC-11259

5. Bugs fixed (http://bugzilla.redhat.com/):

692421 - CVE-2011-1484 JBoss Seam privilege escalation caused by EL interpolation in FacesMessages

6. Package List:

JBoss Enterprise Application Platform 5 for RHEL 4 AS:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/JBEAP/SRPMS/jboss-seam2-2.2.2.EAP-17.el4_8.src.rpm

noarch:
jboss-seam2-2.2.2.EAP-17.el4_8.noarch.rpm
jboss-seam2-docs-2.2.2.EAP-17.el4_8.noarch.rpm
jboss-seam2-examples-2.2.2.EAP-17.el4_8.noarch.rpm
jboss-seam2-runtime-2.2.2.EAP-17.el4_8.noarch.rpm

JBoss Enterprise Application Platform 5 for RHEL 4 ES:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/JBEAP/SRPMS/jboss-seam2-2.2.2.EAP-17.el4_8.src.rpm

noarch:
jboss-seam2-2.2.2.EAP-17.el4_8.noarch.rpm
jboss-seam2-docs-2.2.2.EAP-17.el4_8.noarch.rpm
jboss-seam2-examples-2.2.2.EAP-17.el4_8.noarch.rpm
jboss-seam2-runtime-2.2.2.EAP-17.el4_8.noarch.rpm

JBoss Enterprise Application Platform 5 for RHEL 5 Server:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/JBEAP/SRPMS/jboss-seam2-2.2.2.EAP-17.ep5.el5.src.rpm

noarch:
jboss-seam2-2.2.2.EAP-17.ep5.el5.noarch.rpm
jboss-seam2-docs-2.2.2.EAP-17.ep5.el5.noarch.rpm
jboss-seam2-examples-2.2.2.EAP-17.ep5.el5.noarch.rpm
jboss-seam2-runtime-2.2.2.EAP-17.ep5.el5.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and 
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/#package

7. References:

https://www.redhat.com/security/data/cve/CVE-2011-1484.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

The Red Hat security contact is <secalert redhat com>.  More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2011 Red Hat, Inc.
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