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Red Hat Security Advisory
Synopsis: Important: jboss-seam2 security update
Advisory ID: RHSA-2011:0950-01
Product: JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-0950.html
Issue date: 2011-07-18
CVE Names: CVE-2011-2196
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1. Summary:
Updated jboss-seam2 packages that fix one security issue are now available
for JBoss Enterprise Application Platform 4.3 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 4.3.0 for RHEL 4 AS - noarch
JBoss Enterprise Application Platform 4.3.0 for RHEL 4 ES - noarch
JBoss Enterprise Application Platform 4.3.0 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 the fix for CVE-2011-1484 was incomplete: JBoss Seam 2
did not block access to all malicious 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-2011-2196)
Red Hat would like to thank the ObjectWorks+ Development Team at Nomura
Research Institute for reporting this issue.
Users of jboss-seam2 should upgrade to these updated packages, which
correct this issue. Manual action is required for this update to take
effect. Refer to the Solution section for details.
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
For this update to take effect:
1) 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.
2) Restart the JBoss server process.
5. Bugs fixed (http://bugzilla.redhat.com/):
712283 - CVE-2011-2196 JBoss Seam EL interpolation in exception handling
6. Package List:
JBoss Enterprise Application Platform 4.3.0 for RHEL 4 AS:
Source:
ftp://updates.redhat.com/enterprise/4AS/en/JBEAP/SRPMS/jboss-seam2-2.0.2.FP_SEC1-1.ep2.4.el4.src.rpm
noarch:
jboss-seam2-2.0.2.FP_SEC1-1.ep2.4.el4.noarch.rpm
jboss-seam2-docs-2.0.2.FP_SEC1-1.ep2.4.el4.noarch.rpm
JBoss Enterprise Application Platform 4.3.0 for RHEL 4 ES:
Source:
ftp://updates.redhat.com/enterprise/4ES/en/JBEAP/SRPMS/jboss-seam2-2.0.2.FP_SEC1-1.ep2.4.el4.src.rpm
noarch:
jboss-seam2-2.0.2.FP_SEC1-1.ep2.4.el4.noarch.rpm
jboss-seam2-docs-2.0.2.FP_SEC1-1.ep2.4.el4.noarch.rpm
JBoss Enterprise Application Platform 4.3.0 for RHEL 5 Server:
Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/JBEAP/SRPMS/jboss-seam2-2.0.2.FP_SEC1-1.ep2.3.el5.src.rpm
noarch:
jboss-seam2-2.0.2.FP_SEC1-1.ep2.3.el5.noarch.rpm
jboss-seam2-docs-2.0.2.FP_SEC1-1.ep2.3.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-2011-2196.html
https://access.redhat.com/security/updates/classification/#important
8. Contact:
The Red Hat security contact is <Ova e-mail adresa je zaštićena od spambota. Potrebno je omogućiti JavaScript da je vidite.>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2011 Red Hat, Inc.
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