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             AUSCERT External Security Bulletin Redistribution

                    Important: jbossweb security update
                             11 February 2011


        AusCERT Security Bulletin Summary

Product:           JBoss Enterprise Web Platform
Publisher:         Red Hat
Operating System:  Red Hat
Impact/Access:     Denial of Service -- Remote/Unauthenticated
Resolution:        Patch/Upgrade
CVE Names:         CVE-2010-4476  

Reference:         ASB-2011.0013

Original Bulletin: 

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Hash: SHA1

                   Red Hat Security Advisory

Synopsis:          Important: jbossweb security update
Advisory ID:       RHSA-2011:0213-01
Product:           JBoss Enterprise Web Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0213.html
Issue date:        2011-02-10
CVE Names:         CVE-2010-4476 

1. Summary:

Updated jbossweb packages that fix one security issue are now available for
JBoss Enterprise Web Platform 5 from the Red Hat Customer Portal.

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. Description:

JBoss Web Server is a web container based on Apache Tomcat. It provides a
single deployment platform for the JavaServer Pages (JSP) and Java Servlet

A denial of service flaw was found in the way certain strings were
converted to Double objects. A remote attacker could use this flaw to cause
JBoss Web Server to hang via a specially-crafted HTTP request.

All users of JBoss Enterprise Web Platform 5 as provided from the Red Hat
Customer Portal are advised to apply this patch. Refer to the Solution
section of this erratum for patch download instructions. The JBoss server
process must be restarted for this update to take effect.

3. Solution:

A patch to correct CVE-2010-4476 for JBoss Enterprise Web Platform 5.1 is
available from the Red Hat Customer Portal. To download this patch:

1) Backup your existing JBoss Enterprise Web Platform installation
(including all applications and configuration files).

2) Log into the Customer Portal: https://access.redhat.com/login

3) Navigate to

4) On the left-hand side menu, under "JBoss Enterprise Platforms" click
"Enterprise Web Platform". Then, use the "Version:" drop down menu to
select "5.1.0".

5) The patch is available from the "Security Advisories" link. After
applying the patch, the JBoss server process must be restarted for the
update to take effect.

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

674336 - CVE-2010-4476 JDK Double.parseDouble Denial-Of-Service

5. References:


6. Contact:

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

Copyright 2011 Red Hat, Inc.
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