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Red Hat Security Advisory 2013-0648-01

Red Hat Security Advisory 2013-0648-01
Posted Mar 15, 2013
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2013-0648-01 - JBoss Web is the web container, based on Apache Tomcat, in JBoss Enterprise Application Platform. It provides a single deployment platform for the JavaServer Pages and Java Servlet technologies. It was found that sending a request without a session identifier to a protected resource could bypass the Cross-Site Request Forgery prevention filter in JBoss Web. A remote attacker could use this flaw to perform CSRF attacks against applications that rely on the CSRF prevention filter and do not contain internal mitigation for CSRF. Multiple weaknesses were found in the JBoss Web DIGEST authentication implementation, effectively reducing the security normally provided by DIGEST authentication. A remote attacker could use these flaws to perform replay attacks in some circumstances.

tags | advisory, java, remote, web, csrf
systems | linux, redhat
advisories | CVE-2012-4431, CVE-2012-5885, CVE-2012-5886, CVE-2012-5887
SHA-256 | 622d29c2160f22699e5b7c9c65fa1deed1df2ed503b5aef7ffd26ac8ce417669

Red Hat Security Advisory 2013-0648-01

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

Synopsis: Moderate: jbossweb security update
Advisory ID: RHSA-2013:0648-01
Product: JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2013-0648.html
Issue date: 2013-03-14
CVE Names: CVE-2012-4431 CVE-2012-5885 CVE-2012-5886
CVE-2012-5887
=====================================================================

1. Summary:

An update for JBoss Enterprise Application Platform 6.0.1 which fixes
multiple security issues is now available from the Red Hat Customer Portal.

The Red Hat Security Response Team has rated this update as having moderate
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.

2. Description:

JBoss Web 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.

It was found that sending a request without a session identifier to a
protected resource could bypass the Cross-Site Request Forgery (CSRF)
prevention filter in JBoss Web. A remote attacker could use this flaw to
perform CSRF attacks against applications that rely on the CSRF prevention
filter and do not contain internal mitigation for CSRF. (CVE-2012-4431)

Multiple weaknesses were found in the JBoss Web DIGEST authentication
implementation, effectively reducing the security normally provided by
DIGEST authentication. A remote attacker could use these flaws to perform
replay attacks in some circumstances. (CVE-2012-5885, CVE-2012-5886,
CVE-2012-5887)

Warning: Before applying this update, back up your existing JBoss
Enterprise Application Platform installation and deployed applications.

All users of JBoss Enterprise Application Platform 6.0.1 as provided from
the Red Hat Customer Portal are advised to apply this update.

3. Solution:

The References section of this erratum contains a download link (you must
log in to download the update). Before applying this update, back up your
existing JBoss Enterprise Application Platform installation and deployed
applications.

The JBoss server process must be restarted for this update to take effect.

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

873664 - CVE-2012-5885 CVE-2012-5886 CVE-2012-5887 tomcat: three DIGEST authentication implementation issues
883636 - CVE-2012-4431 Tomcat/JBoss Web - Bypass of CSRF prevention filter

5. References:

https://www.redhat.com/security/data/cve/CVE-2012-4431.html
https://www.redhat.com/security/data/cve/CVE-2012-5885.html
https://www.redhat.com/security/data/cve/CVE-2012-5886.html
https://www.redhat.com/security/data/cve/CVE-2012-5887.html
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=6.0.1

6. Contact:

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

Copyright 2013 Red Hat, Inc.
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