Home / mailings [RHSA-2020:5173-01] Moderate: Red Hat JBoss Web Server 5.4 security release
Posted on 23 November 2020
RedHat===================================================================== Red Hat Security Advisory
Synopsis: Moderate: Red Hat JBoss Web Server 5.4 security release
Advisory ID: RHSA-2020:5173-01
Product: Red Hat JBoss Web Server
Advisory URL: https://access.redhat.com/errata/RHSA-2020:5173
Issue date: 2020-11-23
CVE Names: CVE-2020-11996
=====================================================================
1. Summary:
Red Hat JBoss Web Server 5.4.0 zip release for RHEL 6, RHEL 7, RHEL 8 and
Microsoft Windows is available.
Red Hat Product Security has rated this release as having a security impact
of Moderate. 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 5.4 serves as a replacement for
Red Hat JBoss Web Server 5.3, and includes bug fixes, enhancements, and
component upgrades, which are documented in the Release Notes, linked to in
the References.
Security Fix(es):
* tomcat: specially crafted sequence of HTTP/2 requests can lead to DoS
(CVE-2020-11996)
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/):
1851420 - CVE-2020-11996 tomcat: specially crafted sequence of HTTP/2 requests can lead to DoS
5. References:
https://access.redhat.com/security/cve/CVE-2020-11996
https://access.redhat.com/security/updates/classification/#moderate
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=webserver&downloadType=distributions&version=5.4
https://access.redhat.com/documentation/en-US/Red_Hat_JBoss_Web_Server/5.4
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.
