Red Hat JBoss Certificate Validation Flaw Lets Remote Users Spoof SSL Servers
SecurityTracker Alert ID: 1030812|
SecurityTracker URL: http://securitytracker.com/id/1030812
(Links to External Site)
Updated: Dec 18 2014|
Original Entry Date: Sep 5 2014
Modification of authentication information|
Fix Available: Yes Vendor Confirmed: Yes |
A vulnerability was reported in Red Hat JBoss. A remote user can spoof SSL servers.|
A remote user with the ability to conduct a man-in-the-middle attack can supply a specially crafted host name in an X.509 certificate subject's Common Name (CN) field to spoof an SSL server.
The vulnerability resides in the Apache HttpComponents client.
A remote user can spoof an SSL server.|
The vendor has issued a fix.|
The vendor's advisories are available at:
Vendor URL: rhn.redhat.com/errata/RHSA-2014-1163.html (Links to External Site)
|Underlying OS: Linux (Red Hat Enterprise)|
|Underlying OS Comments: 5, 6, 7|
Source Message Contents
Subject: [RHSA-2014:1163-01] Important: Red Hat JBoss Enterprise Application Platform 6.3.0 security update|
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Red Hat Security Advisory
Synopsis: Important: Red Hat JBoss Enterprise Application Platform 6.3.0 security update
Advisory ID: RHSA-2014:1163-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://rhn.redhat.com/errata/RHSA-2014-1163.html
Issue date: 2014-09-04
CVE Names: CVE-2012-6153 CVE-2014-3577
An update for Red Hat JBoss Enterprise Application Platform 6.3.0 that
fixes two security issues is now available from the Red Hat Customer
Red Hat Product Security 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.
Red Hat JBoss Enterprise Application Platform 6 is a platform for Java
applications based on JBoss Application Server 7.
It was found that the fix for CVE-2012-5783 was incomplete: the code added
to check that the server host name matches the domain name in a subject's
Common Name (CN) field in X.509 certificates was flawed.
A man-in-the-middle attacker could use this flaw to spoof an SSL server
using a specially crafted X.509 certificate. (CVE-2012-6153)
It was discovered that the HttpClient incorrectly extracted host name from
an X.509 certificate subject's Common Name (CN) field. A man-in-the-middle
attacker could use this flaw to spoof an SSL server using a specially
crafted X.509 certificate. (CVE-2014-3577)
The CVE-2012-6153 issue was discovered by Florian Weimer of Red Hat
For additional information on these flaws, refer to the Knowledgebase
article in the References section.
All users of Red Hat JBoss Enterprise Application Platform 6.3.0 as
provided from the Red Hat Customer Portal are advised to apply this update.
The JBoss server process must be restarted for the update to take effect.
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 Red Hat JBoss Enterprise Application Platform installation and
4. Bugs fixed (https://bugzilla.redhat.com/):
1129074 - CVE-2014-3577 Apache HttpComponents client: SSL hostname verification bypass, incomplete CVE-2012-6153 fix
1129916 - CVE-2012-6153 Apache HttpComponents client: SSL hostname verification bypass, incomplete CVE-2012-5783 fix
The Red Hat security contact is <email@example.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2014 Red Hat, Inc.
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