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[RHSA-2011:0212-01] Important: jbossweb security update



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

Synopsis:          Important: jbossweb security update
Advisory ID:       RHSA-2011:0212-01
Product:           JBoss Enterprise Application Platform
Advisory URL:      https://rhn.redhat.com/errata/RHSA-2011-0212.html
Issue date:        2011-02-10
CVE Names:         CVE-2010-4476 
=====================================================================

1. Summary:

A patch for JBoss Enterprise Application Platform 4.2.0.CP09, 4.3.0.CP09,
and 5.1 that fixes one security issue is now available 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 the web container, based on Apache Tomcat, in JBoss
Enterprise Application Platform. It provides a single deployment platform
for the JavaServer Pages (JSP) and Java Servlet technologies.

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.
(CVE-2010-4476)

All users of Enterprise Application Platform 4.2, 4.3, and 5.1 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 Application Platform
4.2.0.CP09, 4.3.0.CP09, and 5.1 is available from the Red Hat Customer
Portal. To download this patch:

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

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

3) Navigate to
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html

4) On the left-hand side menu, under "JBoss Enterprise Platforms" click
"Application Platform". Then, use the "Version:" drop down menu to select
"4.2.0.GA_CP09", "4.3.0.GA_CP09", or "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:

https://www.redhat.com/security/data/cve/CVE-2010-4476.html
https://access.redhat.com/security/updates/classification/#important

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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