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             AUSCERT External Security Bulletin Redistribution

                               ESB-2013.0081
                    Important: jbossweb security update
                              16 January 2013

===========================================================================

        AusCERT Security Bulletin Summary
        ---------------------------------

Product:           JBoss Enterprise Application Platform
Publisher:         Red Hat
Operating System:  Red Hat Enterprise Linux Server 5
                   Red Hat Enterprise Linux Server 6
                   Solaris
                   Windows
Impact/Access:     Unauthorised Access -- Existing Account
Resolution:        Patch/Upgrade
CVE Names:         CVE-2012-3546  

Reference:         ESB-2013.0080
                   ESB-2013.0075
                   ESB-2013.0068
                   ESB-2013.0060

Original Bulletin: 
   https://rhn.redhat.com/errata/RHSA-2013-0163.html
   https://rhn.redhat.com/errata/RHSA-2013-0164.html

Comment: This bulletin contains two (2) Red Hat security advisories.

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                   Red Hat Security Advisory

Synopsis:          Important: jbossweb security update
Advisory ID:       RHSA-2013:0163-01
Product:           JBoss Enterprise Application Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-0163.html
Issue date:        2013-01-15
CVE Names:         CVE-2012-3546 
=====================================================================

1. Summary:

An update for JBoss Enterprise Application Platform 6.0.1 that 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 Web is the web container, based on Apache Tomcat, in JBoss Enterprise
Application Platform. It provides a single deployment platform for the
JavaServer Pages (JSP) and Java Servlet technologies.

It was found that when an application used FORM authentication, along with
another component that calls request.setUserPrincipal() before the call to
FormAuthenticator#authenticate() (such as the Single-Sign-On valve), it was
possible to bypass the security constraint checks in the FORM authenticator
by appending "/j_security_check" to the end of a URL. A remote attacker
with an authenticated session on an affected application could use this
flaw to circumvent authorization controls, and thereby access resources not
permitted by the roles associated with their authenticated session.
(CVE-2012-3546)

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 6.0.1 as provided from
the Red Hat Customer Portal are advised to install 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/):

883634 - CVE-2012-3546 Tomcat/JBoss Web: Bypass of security constraints

5. References:

https://www.redhat.com/security/data/cve/CVE-2012-3546.html
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=6.0.1
http://tomcat.apache.org/security-6.html

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.
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                   Red Hat Security Advisory

Synopsis:          Important: jbossweb security update
Advisory ID:       RHSA-2013:0164-01
Product:           JBoss Enterprise Application Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2013-0164.html
Issue date:        2013-01-15
CVE Names:         CVE-2012-3546 
=====================================================================

1. Summary:

Updated jbossweb packages that fix one security issue are now available for
JBoss Enterprise Application Platform 6.0.1 for Red Hat Enterprise Linux 5
and 6.

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 6 for RHEL 5 Server - noarch
JBoss Enterprise Application Platform 6 for RHEL 6 Server - noarch

3. Description:

JBoss Web is the web container, based on Apache Tomcat, in JBoss Enterprise
Application Platform. It provides a single deployment platform for the
JavaServer Pages (JSP) and Java Servlet technologies.

It was found that when an application used FORM authentication, along with
another component that calls request.setUserPrincipal() before the call to
FormAuthenticator#authenticate() (such as the Single-Sign-On valve), it was
possible to bypass the security constraint checks in the FORM authenticator
by appending "/j_security_check" to the end of a URL. A remote attacker
with an authenticated session on an affected application could use this
flaw to circumvent authorization controls, and thereby access resources not
permitted by the roles associated with their authenticated session.
(CVE-2012-3546)

Warning: Before applying this update, back up your existing JBoss
Enterprise Application Platform installation (including all applications
and configuration files).

Users of JBoss Enterprise Application Platform 6.0.1 on Red Hat
Enterprise Linux 5 and 6 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/knowledge/articles/11258

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

883634 - CVE-2012-3546 Tomcat/JBoss Web: Bypass of security constraints

6. Package List:

JBoss Enterprise Application Platform 6 for RHEL 5 Server:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/5Server/en/JBEAP/SRPMS/jbossweb-7.0.17-3.Final_redhat_2.ep6.el5.src.rpm

noarch:
jbossweb-7.0.17-3.Final_redhat_2.ep6.el5.noarch.rpm
jbossweb-lib-7.0.17-3.Final_redhat_2.ep6.el5.noarch.rpm

JBoss Enterprise Application Platform 6 for RHEL 6 Server:

Source:
ftp://ftp.redhat.com/pub/redhat/linux/enterprise/6Server/en/JBEAP/SRPMS/jbossweb-7.0.17-3.Final_redhat_2.ep6.el6.src.rpm

noarch:
jbossweb-7.0.17-3.Final_redhat_2.ep6.el6.noarch.rpm
jbossweb-lib-7.0.17-3.Final_redhat_2.ep6.el6.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-2012-3546.html
https://access.redhat.com/security/updates/classification/#important
http://tomcat.apache.org/security-6.html

8. 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.
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