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Red Hat JBoss Web Server 5.5.1 RHSA-2021-3743-01 Important DoS Issue

red hat
Calendar Grey October 6, 2021
Dist Redhat Esm H88
Crucial security patch released for Red Hat JBoss Web Server 5.5.1 to tackle serious vulnerabilities affecting functionality.
Red Hat JBoss Web Server 5.5.1 zip release is now available for Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8, and Microsoft 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 5.5.1 serves as a replacement for Red Hat JBoss Web Server 5.5.0, 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 DoS with unexpected TLS packet (CVE-2021-41079)
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 security update important dos red hat jboss

References

https://access.redhat.com/security/cve/CVE-2021-41079 https://access.redhat.com/security/updates/classification#important

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:3743-01
Product: Red Hat JBoss Web Server
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3743
Issue date: 2021-10-06

Topic

Red Hat JBoss Web Server 5.5.1 zip release is now available for Red HatEnterprise Linux 7, Red Hat Enterprise Linux 8, and Microsoft 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 security update important dos red hat jboss

Relevant Releases Architectures

Bugs Fixed

2004820 - CVE-2021-41079 tomcat: Infinite loop while reading an unexpected TLS packet when using OpenSSL JSSE engine

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