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AUSCERT External Security Bulletin Redistribution
Important: Red Hat JBoss Fuse 6.0.0 patch 2
30 August 2013
AusCERT Security Bulletin Summary
Product: Fuse Enterprise Middleware
Publisher: Red Hat
Operating System: Red Hat
UNIX variants (UNIX, Linux, OSX)
Impact/Access: Execute Arbitrary Code/Commands -- Remote/Unauthenticated
Create Arbitrary Files -- Remote/Unauthenticated
Denial of Service -- Remote/Unauthenticated
CVE Names: CVE-2013-2160 CVE-2013-1821 CVE-2013-1768
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Red Hat Security Advisory
Synopsis: Important: Red Hat JBoss Fuse 6.0.0 patch 2
Advisory ID: RHSA-2013:1185-01
Product: Fuse Enterprise Middleware
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-1185.html
Issue date: 2013-08-29
CVE Names: CVE-2013-0269 CVE-2013-1768 CVE-2013-1821
Red Hat JBoss Fuse 6.0.0 patch 2, which fixes several security issues and
various bugs, is now available from the Red Hat Customer Portal.
The Red Hat Security Response Team has rated this update as having
important 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.
Red Hat JBoss Fuse 6.0.0, based on Apache ServiceMix, provides an
Red Hat JBoss Fuse 6.0.0 patch 2 is an update to Red Hat JBoss Fuse 6.0.0
and includes bug fixes. Refer to the readme file included with the patch
files for information about these fixes.
The following security issues are also resolved with this update:
A flaw was found in the logging performed during deserialization of the
BrokerFactory class in Apache OpenJPA. A remote attacker able to supply a
serialized instance of the BrokerFactory class, which will be deserialized
on a server, could use this flaw to write an executable file to the
server's file system. (CVE-2013-1768)
A flaw in JRuby's JSON gem allowed remote attacks by creating different
types of malicious objects. For example, it could initiate a denial of
service attack through resource consumption by using a JSON document to
create arbitrary Ruby symbols, which were never garbage collected. It could
also be exploited to create internal objects which could allow a SQL
injection attack. (CVE-2013-0269)
It was discovered that JRuby's REXML library did not properly restrict XML
entity expansion. An attacker could use this flaw to cause a denial of
service by tricking a Ruby application using REXML to read text nodes from
specially-crafted XML content, which will result in REXML consuming large
amounts of system memory. (CVE-2013-1821)
Note: Red Hat JBoss Fuse 6.0.0 ships JRuby as part of the camel-ruby
component, which allows users to define Camel routes in Ruby. The default
use of JRuby in Red Hat JBoss Fuse 6.0.0 does not appear to expose either
CVE-2013-0269 or CVE-2013-1821. If the version of JRuby shipped with Red
Hat JBoss Fuse 6.0.0 was used to build a custom application, then these
flaws could be exposed.
Multiple denial of service flaws were found in the way the Apache CXF StAX
parser implementation processed certain XML files. If a web service
utilized the StAX parser, a remote attacker could provide a
specially-crafted XML file that, when processed, would lead to excessive
CPU and memory consumption. (CVE-2013-2160)
Red Hat would like to thank Ruby on Rails upstream for reporting
CVE-2013-0269, and Andreas Falkenberg of SEC Consult Deutschland GmbH, and
Christian Mainka, Juraj Somorovsky and Joerg Schwenk of Ruhr-University
Bochum for reporting CVE-2013-2160. Upstream acknowledges Thomas Hollstegge
of Zweitag and Ben Murphy as the original reporters of CVE-2013-0269.
All users of Red Hat JBoss Fuse 6.0 as provided from the Red Hat Customer
Portal are advised to apply this patch.
The References section of this erratum contains a download link (you must
log in to download the update).
4. Bugs fixed (http://bugzilla.redhat.com/):
909029 - CVE-2013-0269 rubygem-json: Denial of Service and SQL Injection
914716 - CVE-2013-1821 ruby: entity expansion DoS vulnerability in REXML
929197 - CVE-2013-2160 cxf, jbossws-cxf, apache-cxf: Multiple denial of service flaws in the StAX parser
984034 - CVE-2013-1768 openjpa: Remote arbitrary code execution by creating a serialized object and leveraging improperly secured server programs
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2013 Red Hat, Inc.
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