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Red Hat Security Advisory 2014-0172-01

Red Hat Security Advisory 2014-0172-01
Posted Feb 14, 2014
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2014-0172-01 - Red Hat JBoss Enterprise Application Platform 6 is a platform for Java applications based on JBoss Application Server 7. It was found that the ParserPool and Decrypter classes in the OpenSAML Java implementation resolved external entities, permitting XML External Entity attacks. A remote attacker could use this flaw to read files accessible to the user running the application server, and potentially perform other more advanced XXE attacks. It was discovered that the Apache Santuario XML Security for Java project allowed Document Type Definitions to be processed when applying Transforms even when secure validation was enabled. A remote attacker could use this flaw to exhaust all available memory on the system, causing a denial of service.

tags | advisory, java, remote, denial of service, xxe
systems | linux, redhat
advisories | CVE-2013-4517, CVE-2013-6440, CVE-2014-0018
SHA-256 | 541f07157180c8db909f86a437b2213620a20031cbdccf831162fc96fb9d554f

Red Hat Security Advisory 2014-0172-01

Change Mirror Download
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=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: Red Hat JBoss Enterprise Application Platform 6.2.1 update
Advisory ID: RHSA-2014:0172-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-0172.html
Issue date: 2014-02-13
CVE Names: CVE-2013-4517 CVE-2013-6440 CVE-2014-0018
=====================================================================

1. Summary:

An update for Red Hat JBoss Enterprise Application Platform 6.2.0, which
fixes three security issues, several bugs, and adds various enhancements,
is now available from the Red Hat Customer Portal.

The Red Hat Security Response Team has rated this update as having Moderate
security impact. Common Vulnerability Scoring System (CVSS) base scores,
which give detailed severity ratings, are available for each vulnerability
from the CVE links in the References section.

2. 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 ParserPool and Decrypter classes in the OpenSAML Java
implementation resolved external entities, permitting XML External Entity
(XXE) attacks. A remote attacker could use this flaw to read files
accessible to the user running the application server, and potentially
perform other more advanced XXE attacks. (CVE-2013-6440)

It was discovered that the Apache Santuario XML Security for Java project
allowed Document Type Definitions (DTDs) to be processed when applying
Transforms even when secure validation was enabled. A remote attacker could
use this flaw to exhaust all available memory on the system, causing a
denial of service. (CVE-2013-4517)

In Red Hat JBoss Enterprise Application Platform, when running under a
security manager, it was possible for deployed code to get access to the
Modular Service Container (MSC) service registry without any permission
checks. This could allow malicious deployments to modify the internal state
of the server in various ways. (CVE-2014-0018)

The CVE-2013-6440 was discovered by David Illsley, Ron Gutierrez of Gotham
Digital Science, and David Jorm of the Red Hat Security Response Team, and
the CVE-2014-0018 issue was discovered by Stuart Douglas of Red Hat.

This release serves as a replacement for JBoss Enterprise Application
Platform 6.2.0, and includes bug fixes and enhancements. Documentation for
these changes will be available shortly from the JBoss Enterprise
Application Platform 6.2.1 Release Notes, linked to in the References.

All users of Red Hat JBoss Enterprise Application Platform 6.2.0 as
provided from the Red Hat Customer Portal are advised to apply this update.
The JBoss server process must be restarted for the update to take effect.

3. Solution:

The References section of this erratum contains a download link (you must
log in to download the update). Before applying this update, back up your
existing Red Hat JBoss Enterprise Application Platform installation and
deployed applications.

For more details, refer to the JBoss Enterprise Application Platform 6.2.1
Release Notes, linked to in the References.

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

1043332 - CVE-2013-6440 XMLTooling-J/OpenSAML Java: XML eXternal Entity (XXE) flaw in ParserPool and Decrypter
1045257 - CVE-2013-4517 Apache Santuario XML Security for Java: Java XML Signature DoS Attack
1052783 - CVE-2014-0018 jboss-as-server: Unchecked access to MSC Service Registry under JSM

5. References:

https://www.redhat.com/security/data/cve/CVE-2013-4517.html
https://www.redhat.com/security/data/cve/CVE-2013-6440.html
https://www.redhat.com/security/data/cve/CVE-2014-0018.html
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=6.2.0
https://access.redhat.com/site/documentation/en-US/JBoss_Enterprise_Application_Platform/6.2/html/6.2.1_Release_Notes/index.html

6. 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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