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Red Hat Security Advisory 2013-0249-01

Red Hat Security Advisory 2013-0249-01
Posted Feb 11, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0249-01 - JBoss Enterprise Application Platform is a platform for Java applications, which integrates the JBoss Application Server with JBoss Hibernate and JBoss Seam. When using LDAP authentication with the provided LDAP login modules, empty passwords were allowed by default. An attacker could use this flaw to bypass intended authentication by providing an empty password for a valid username, as the LDAP server may recognize this as an 'unauthenticated authentication'. This update sets the allowEmptyPasswords option for the LDAP login modules to false if the option is not already configured.

tags | advisory, java
systems | linux, redhat
advisories | CVE-2012-5629
SHA-256 | 6761f84bc127bf9f98c90f2feeea537625896bc2eae21667feec92b4f2469766

Red Hat Security Advisory 2013-0249-01

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

Synopsis: Important: JBoss Enterprise Application Platform 4.3.0 CP10 security update
Advisory ID: RHSA-2013:0249-01
Product: JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0249.html
Issue date: 2013-02-11
CVE Names: CVE-2012-5629
=====================================================================

1. Summary:

Updated JBoss Enterprise Application Platform 4.3.0 CP10 packages that fix
one security issue are now available 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:

JBoss Enterprise Application Platform is a platform for Java applications,
which integrates the JBoss Application Server with JBoss Hibernate and
JBoss Seam.

When using LDAP authentication with the provided LDAP login modules
(LdapLoginModule/LdapExtLoginModule), empty passwords were allowed by
default. An attacker could use this flaw to bypass intended authentication
by providing an empty password for a valid username, as the LDAP server may
recognize this as an 'unauthenticated authentication' (RFC 4513). This
update sets the allowEmptyPasswords option for the LDAP login modules to
false if the option is not already configured. (CVE-2012-5629)

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 4.3.0 CP10 on Red Hat
Enterprise Linux 4 and 5 are advised to upgrade to these updated packages.
The JBoss server process must be restarted for the 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/):

885569 - CVE-2012-5629 JBoss: allows empty password to authenticate against LDAP

6. Package List:

JBoss Enterprise Application Platform 4.3.0 for RHEL 4 AS:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/JBEAP/SRPMS/jbossas-4.3.0-12.GA_CP10_patch_01.1.ep1.el4.src.rpm

noarch:
jbossas-4.3.0-12.GA_CP10_patch_01.1.ep1.el4.noarch.rpm
jbossas-client-4.3.0-12.GA_CP10_patch_01.1.ep1.el4.noarch.rpm

JBoss Enterprise Application Platform 4.3.0 for RHEL 4 ES:

Source:
ftp://updates.redhat.com/enterprise/4ES/en/JBEAP/SRPMS/jbossas-4.3.0-12.GA_CP10_patch_01.1.ep1.el4.src.rpm

noarch:
jbossas-4.3.0-12.GA_CP10_patch_01.1.ep1.el4.noarch.rpm
jbossas-client-4.3.0-12.GA_CP10_patch_01.1.ep1.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/jbossas-4.3.0-12.GA_CP10_patch_01.1.ep1.el5.src.rpm

noarch:
jbossas-4.3.0-12.GA_CP10_patch_01.1.ep1.el5.noarch.rpm
jbossas-client-4.3.0-12.GA_CP10_patch_01.1.ep1.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-2012-5629.html
https://access.redhat.com/security/updates/classification/#important
http://tools.ietf.org/html/rfc4513

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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