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All Products
Red Hat Product Errata RHSA-2013:1028 - Security Advisory
Issued:
2013-07-09
Updated:
2013-07-09

RHSA-2013:1028 - Security Advisory

  • Overview
  • Updated Packages

Synopsis

Important: Fuse ESB Enterprise 7.1.0 update

Type/Severity

Security Advisory: Important

Topic

Fuse ESB Enterprise 7.1.0 roll up patch 1, which fixes multiple 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.

Description

Fuse ESB Enterprise, based on Apache ServiceMix, provides an integration
platform.

This release of Fuse ESB Enterprise 7.1.0 roll up patch 1 is an update to
Fuse ESB Enterprise 7.1.0 and includes bug fixes. Refer to the readme file
included with the patch files for information about the bug fixes.

The following security issues are also fixed with this release:

XML encryption backwards compatibility attacks were found against various
frameworks, including Apache CXF. An attacker could force a server to use
insecure, legacy cryptosystems, even when secure cryptosystems were enabled
on endpoints. By forcing the use of legacy cryptosystems, flaws such as
CVE-2011-1096 and CVE-2011-2487 would be exposed, allowing plain text to be
recovered from cryptograms and symmetric keys. (CVE-2012-5575)

Note: Automatic checks to prevent CVE-2012-5575 are only run when
WS-SecurityPolicy is used to enforce security requirements. It is best
practice to use WS-SecurityPolicy to enforce security requirements.

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)

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)

Note: Fuse ESB Enterprise 7.1.0 ships JRuby as part of the camel-ruby
component, which allows users to define Camel routes in Ruby. The default
use of JRuby in Fuse ESB Enterprise 7.1.0 does not appear to expose either
CVE-2013-0269 or CVE-2013-1821. If the version of JRuby shipped with Fuse
ESB Enterprise 7.1.0 was used to build a custom application, then these
flaws could be exposed.

Red Hat would like to thank Tibor Jager, Kenneth G. Paterson and Juraj
Somorovsky of Ruhr-University Bochum for reporting CVE-2012-5575; 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 Fuse ESB Enterprise 7.1.0 as provided from the Red Hat
Customer Portal are advised to upgrade to Fuse ESB Enterprise 7.1.0 roll up
patch 1.

Solution

The References section of this erratum contains a download link (you must
log in to download the update).

Affected Products

  • Red Hat Fuse 1 x86_64

Fixes

  • BZ - 880443 - CVE-2012-5575 jbossws-native, jbossws-cxf, apache-cxf: XML encryption backwards compatibility attacks
  • BZ - 909029 - CVE-2013-0269 rubygem-json: Denial of Service and SQL Injection
  • BZ - 914716 - CVE-2013-1821 ruby: entity expansion DoS vulnerability in REXML
  • BZ - 929197 - CVE-2013-2160 cxf, jbossws-cxf, apache-cxf: Multiple denial of service flaws in the StAX parser

CVEs

  • CVE-2013-2160
  • CVE-2012-5575
  • CVE-2013-0269
  • CVE-2013-1821

References

  • https://access.redhat.com/security/updates/classification/#important
  • https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=fuse.esb.enterprise&downloadType=securityPatches&version=7.1.0
  • http://cxf.apache.org/cve-2012-5575.html
  • https://cxf.apache.org/security-advisories.data/CVE-2013-2160.txt.asc
Note: More recent versions of these packages may be available. Click a package name for more details.

Red Hat Fuse 1

SRPM
x86_64

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

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