Home / mailings [RHSA-2020:2509-01] Important: Red Hat JBoss Web Server 5.3.1 security update
Posted on 10 June 2020
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Important: Red Hat JBoss Web Server 5.3.1 security update
Advisory ID: RHSA-2020:2509-01
Product: Red Hat JBoss Web Server
Advisory URL: https://access.redhat.com/errata/RHSA-2020:2509
Issue date: 2020-06-10
CVE Names: CVE-2020-9484
=====================================================================
1. Summary:
Updated Red Hat JBoss Web Server 5.3.1 packages are now available for Red
Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise
Linux 8 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
Tomcat Servlet container, JBoss HTTP Connector (mod_cluster), the
PicketLink Vault extension for Apache Tomcat, and the Tomcat Native
library.
This release of Red Hat JBoss Web Server 5.3.1 serves as a replacement for
Red Hat JBoss Web Server 5.3.0, and includes bug fixes, enhancements, and
component upgrades, which are documented in the Release Notes, 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=5.3
https://access.redhat.com/documentation/en-us/red_hat_jboss_web_server/5.3/
6. Contact:
The Red Hat security contact is <secalert@redhat.com>. More contact
details at https://access.redhat.com/security/team/contact/
Copyright 2020 Red Hat, Inc.
