RHEL 6 : JBoss EAP (RHSA-2011:0946)

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Synopsis :

The remote Red Hat host is missing one or more security updates.

Description :

Updated JBoss Enterprise Application Platform 5.1.1 packages that fix
one security issue and various bugs are now available for Red Hat
Enterprise Linux 6.

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.

JBoss Enterprise Application Platform is the market-leading platform
for innovative and scalable Java applications. JBoss Enterprise
Application Platform integrates the JBoss Application Server with
JBoss Hibernate and JBoss Seam into a complete and simple enterprise
solution.

This JBoss Enterprise Application Platform 5.1.1 release for Red Hat
Enterprise Linux 6 serves as a replacement for JBoss Enterprise
Application Platform 5.1.0.

These updated packages include the bug fixes detailed in the release
notes, which are linked to from the References section of this
erratum.

The following security issue is also fixed with this release :

It was found that the fix for CVE-2011-1484 was incomplete: JBoss Seam
2 did not block access to all malicious JBoss Expression Language (EL)
constructs in page exception handling, allowing arbitrary Java methods
to be executed. A remote attacker could use this flaw to execute
arbitrary code via a specially-crafted URL provided to certain
applications based on the JBoss Seam 2 framework. Note: A properly
configured and enabled Java Security Manager would prevent
exploitation of this flaw. (CVE-2011-2196)

Red Hat would like to thank the ObjectWorks+ Development Team at
Nomura Research Institute for reporting this issue.

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.

All users of JBoss Enterprise Application Platform 5.1.0 on Red Hat
Enterprise Linux 6 are advised to upgrade to these updated packages.
Manual action is required for this update to take effect. Refer to the
Solution section for details.

See also :

https://www.redhat.com/security/data/cve/CVE-2011-2196.html
http://www.nessus.org/u?f390cc27
http://rhn.redhat.com/errata/RHSA-2011-0946.html

Solution :

Update the affected packages.

Risk factor :

Medium / CVSS Base Score : 6.8
(CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P)
CVSS Temporal Score : 5.0
(CVSS2#E:U/RL:OF/RC:ND)
Public Exploit Available : false

Family: Red Hat Local Security Checks

Nessus Plugin ID: 63988 ()

Bugtraq ID: 48716

CVE ID: CVE-2011-2196