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Red Hat JBoss Web Server Update RHSA-2020-2509-01 Important RCE Fix

red hat
Calendar Grey June 10, 2020
Dist Redhat Esm H88
Apache Tomcat Server version 9.0.56 has been issued a critical security patch that tackles potential unauthorized access exploits and additional concerns.
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

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.

Summary

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.

Topics%20covered

Topics Covered

security advisory red hat remote code execution important web server rhel jboss

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://docs.redhat.com/en/documentation/red_hat_jboss_web_server/5.3

Package List


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

Updated Red Hat JBoss Web Server 5.3.1 packages are now available for RedHat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat EnterpriseLinux 8 and Windows.Red Hat Product Security has rated this release as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat remote code execution important web server rhel jboss

Relevant Releases Architectures

Bugs Fixed

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

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