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Red Hat Security Advisory 2020-5173-01

Red Hat Security Advisory 2020-5173-01
Posted Nov 23, 2020
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2020-5173-01 - 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, 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. Issues addressed include a denial of service vulnerability.

tags | advisory, java, web, denial of service
systems | linux, redhat
advisories | CVE-2020-11996
MD5 | c72ffe222101389c1405d5d32712cb6b

Red Hat Security Advisory 2020-5173-01

Change Mirror Download
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====================================================================
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.
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