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Red Hat Security Advisory 2014-1040-01

Red Hat Security Advisory 2014-1040-01
Posted Aug 11, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-1040-01 - Red Hat JBoss Enterprise Application Platform 6 is a platform for Java applications based on JBoss Application Server 7. It was found that the fix for CVE-2012-0818 was incomplete: external parameter entities were not disabled when the resteasy.document.expand.entity.references parameter was set to false. A remote attacker able to send XML requests to a RESTEasy endpoint could use this flaw to read files accessible to the user running the application server, and potentially perform other more advanced XXE attacks.

tags | advisory, java, remote, xxe
systems | linux, redhat
advisories | CVE-2014-3490
SHA-256 | c84f2ca607c16d6e752c066398ee8786761d415d970c03caeb98cbd795ed9347

Red Hat Security Advisory 2014-1040-01

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

Synopsis: Moderate: Red Hat JBoss Enterprise Application Platform 6.3.0 security update
Advisory ID: RHSA-2014:1040-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1040.html
Issue date: 2014-08-11
CVE Names: CVE-2014-3490
=====================================================================

1. Summary:

Updated Red Hat JBoss Enterprise Application Platform 6.3.0 packages that
fix one security issue are now available for Red Hat Enterprise Linux 5, 6,
and 7.

Red Hat Product Security has rated this update as having Moderate 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:

Red Hat JBoss EAP 6.3 for RHEL 5 - noarch
Red Hat JBoss EAP 6.3 for RHEL 6 - noarch
Red Hat JBoss EAP 6.3 for RHEL 7 - noarch

3. Description:

Red Hat JBoss Enterprise Application Platform 6 is a platform for Java
applications based on JBoss Application Server 7.

It was found that the fix for CVE-2012-0818 was incomplete: external
parameter entities were not disabled when the
resteasy.document.expand.entity.references parameter was set to false.
A remote attacker able to send XML requests to a RESTEasy endpoint could
use this flaw to read files accessible to the user running the application
server, and potentially perform other more advanced XXE attacks.
(CVE-2014-3490)

This issue was discovered by David Jorm of Red Hat Product Security.

All users of Red Hat JBoss Enterprise Application Platform 6.3.0 on Red Hat
Enterprise Linux 5, 6, and 7 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. Also, back up any customized Red
Hat JBoss Enterprise Application Platform 6 configuration files. On update,
the configuration files that have been locally modified will not be
updated. The updated version of such files will be stored as the rpmnew
files. Make sure to locate any such files after the update and merge any
changes manually.

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/articles/11258

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

1107901 - CVE-2014-3490 RESTEasy: XXE via parameter entities

6. Package List:

Red Hat JBoss EAP 6.3 for RHEL 5:

Source:
resteasy-2.3.8-5.SP1_redhat_1.1.ep6.el5.src.rpm

noarch:
resteasy-2.3.8-5.SP1_redhat_1.1.ep6.el5.noarch.rpm

Red Hat JBoss EAP 6.3 for RHEL 6:

Source:
resteasy-2.3.8-5.SP1_redhat_1.1.ep6.el6.src.rpm

noarch:
resteasy-2.3.8-5.SP1_redhat_1.1.ep6.el6.noarch.rpm

Red Hat JBoss EAP 6.3 for RHEL 7:

Source:
resteasy-2.3.8-5.SP1_redhat_1.1.ep6.el7.src.rpm

noarch:
resteasy-2.3.8-5.SP1_redhat_1.1.ep6.el7.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-2014-3490.html
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

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

Copyright 2014 Red Hat, Inc.
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