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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: Red Hat JBoss Web Server 5.5.1 Security Update
Advisory ID:       RHSA-2021:3741-01
Product:           Red Hat JBoss Web Server
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3741
Issue date:        2021-10-06
CVE Names:         CVE-2021-41079 
=====================================================================

1. Summary:

Updated Red Hat JBoss Web Server 5.5.1 packages are now available for Red
Hat Enterprise Linux 7 and Red Hat Enterprise Linux 8.

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. Relevant releases/architectures:

Red Hat JBoss Web Server 5.5 for RHEL 7 Server - noarch
Red Hat JBoss Web Server 5.5 for RHEL 8 - noarch

3. 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 5.5.1 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.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, refer to:

https://access.redhat.com/articles/11258

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

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

6. Package List:

Red Hat JBoss Web Server 5.5 for RHEL 7 Server:

Source:
jws5-tomcat-9.0.43-13.redhat_00013.1.el7jws.src.rpm

noarch:
jws5-tomcat-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-admin-webapps-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-docs-webapp-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-el-3.0-api-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-java-jdk11-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-java-jdk8-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-javadoc-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-jsp-2.3-api-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-lib-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-selinux-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-servlet-4.0-api-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm
jws5-tomcat-webapps-9.0.43-13.redhat_00013.1.el7jws.noarch.rpm

Red Hat JBoss Web Server 5.5 for RHEL 8:

Source:
jws5-tomcat-9.0.43-13.redhat_00013.1.el8jws.src.rpm

noarch:
jws5-tomcat-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-admin-webapps-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-docs-webapp-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-el-3.0-api-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-javadoc-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-jsp-2.3-api-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-lib-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-selinux-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-servlet-4.0-api-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm
jws5-tomcat-webapps-9.0.43-13.redhat_00013.1.el8jws.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

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

8. Contact:

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

Copyright 2021 Red Hat, Inc.
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