Exploit the possiblities

Red Hat Security Advisory 2011-1306-01

Red Hat Security Advisory 2011-1306-01
Posted Sep 16, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1306-01 - The jbossws-common package provides JBoss Web Services Native, a web service framework included as part of JBoss Enterprise Application Platform. It implements the JAX-WS specification. It was found that JBoss Web Services Native did not properly protect against recursive entity resolution when processing Document Type Definitions. A remote attacker could exploit this flaw by sending a specially-crafted HTTP POST request to a deployed web service, causing excessive CPU and memory consumption on the system hosting that service. If the attack is repeated to consume all available network sockets, the server will become unavailable.

tags | advisory, remote, web
systems | linux, redhat
advisories | CVE-2011-1483
MD5 | 3bf18dddabd10fedfd08c3b4842e5ccb

Red Hat Security Advisory 2011-1306-01

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

Synopsis: Important: jbossws-common security update
Advisory ID: RHSA-2011:1306-01
Product: JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2011-1306.html
Issue date: 2011-09-15
CVE Names: CVE-2011-1483
=====================================================================

1. Summary:

An updated jbossws-common package that fixes one security issue is now
available for JBoss Enterprise Application Platform 4.3 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:

The jbossws-common package provides JBoss Web Services Native, a web
service framework included as part of JBoss Enterprise Application
Platform. It implements the JAX-WS specification.

It was found that JBoss Web Services Native did not properly protect
against recursive entity resolution when processing Document Type
Definitions (DTD). A remote attacker could exploit this flaw by sending a
specially-crafted HTTP POST request to a deployed web service, causing
excessive CPU and memory consumption on the system hosting that service. If
the attack is repeated to consume all available network sockets, the server
will become unavailable. (CVE-2011-1483)

Warning: Before applying this update, please back up your JBoss Enterprise
Application Platform's "jboss-as/server/[PROFILE]/deploy/" directory, along
with all other customized configuration files.

Users of JBoss Enterprise Application Platform 4.3 for Red Hat Enterprise
Linux 4 and 5 should upgrade to this updated package, which corrects this
issue. The JBoss server process must be restarted for this 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/kb/docs/DOC-11259

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

692584 - CVE-2011-1483 JBossWS remote Denial of Service

6. Package List:

JBoss Enterprise Application Platform 4.3.0 for RHEL 4 AS:

Source:
ftp://updates.redhat.com/enterprise/4AS/en/JBEAP/SRPMS/jbossws-common-1.0.0-5.GA_CP07_patch_01.1.ep1.el4.src.rpm

noarch:
jbossws-common-1.0.0-5.GA_CP07_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/jbossws-common-1.0.0-5.GA_CP07_patch_01.1.ep1.el4.src.rpm

noarch:
jbossws-common-1.0.0-5.GA_CP07_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/jbossws-common-1.0.0-5.GA_CP07_patch_01.1.ep1.el5.src.rpm

noarch:
jbossws-common-1.0.0-5.GA_CP07_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-2011-1483.html
https://access.redhat.com/security/updates/classification/#important

8. Contact:

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

Copyright 2011 Red Hat, Inc.
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