[RHSA-2020:2487-01] Important: Red Hat JBoss Web Server 3.1 Service Pack 9 security update

[Security announcements for all Red Hat products and services.]

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                   Red Hat Security Advisory

Synopsis:          Important: Red Hat JBoss Web Server 3.1 Service Pack 9 security update
Advisory ID:       RHSA-2020:2487-01
Product:           Red Hat JBoss Web Server
Advisory URL:      https://access.redhat.com/errata/RHSA-2020:2487
Issue date:        2020-06-10
CVE Names:         CVE-2020-9484 
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1. Summary:

An update is now available for Red Hat JBoss Web Server 3.1, for RHEL 6,
RHEL 7 and Windows.

Red Hat Product Security has rated this release as having a security impact
of Important. A Common Vulnerability Scoring System (CVSS) base score,
which gives a detailed severity rating, is available for each vulnerability
from the CVE link(s) in the References section.

2. Description:

Red Hat JBoss Web Server is a fully integrated and certified set of
components for hosting Java web applications. It is comprised of the Apache
HTTP Server, the Apache Tomcat Servlet container, Apache Tomcat Connector
(mod_jk), JBoss HTTP Connector (mod_cluster), Hibernate, and the Tomcat
Native library.

This release of Red Hat JBoss Web Server 3.1 Service Pack 9 serves as a
replacement for Red Hat JBoss Web Server 3.1, and includes bug fixes, which
are documented in the Release Notes document linked to in the References.

Security Fix(es):

* tomcat: Apache Tomcat Remote Code Execution via session persistence
(CVE-2020-9484)

For more details about the security issue(s), including the impact, a CVSS
score, acknowledgments, and other related information, refer to the CVE
page(s) listed in the References section.

3. Solution:

Before applying the update, back up your existing installation, including
all applications, configuration files, databases and database settings, and
so on.

The References section of this erratum contains a download link for the
update. You must be logged in to download the update.

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

1838332 - CVE-2020-9484 tomcat: deserialization flaw in session persistence storage leading to RCE

5. References:

https://access.redhat.com/security/cve/CVE-2020-9484
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver&downloadType=securityPatches&version=3.1
https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/3.1/

6. Contact:

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

Copyright 2020 Red Hat, Inc.
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