Red Hat Security Advisory 2020-1521-01

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Red Hat Security Advisory

Synopsis: Important: Red Hat JBoss Web Server 5.3 release
Advisory ID: RHSA-2020:1521-01
Product: Red Hat JBoss Web Server
Advisory URL: https://access.redhat.com/errata/RHSA-2020:1521
Issue date: 2020-04-21
CVE Names: CVE-2019-12418 CVE-2019-17563 CVE-2019-17569
CVE-2020-1935 CVE-2020-1938
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1. Summary:

Red Hat JBoss Web Server 5.3.0 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
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. 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 5.3 serves as a replacement for
Red Hat JBoss Web Server 5.2, 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 AJP File Read/Inclusion Vulnerability
(CVE-2020-1938)
* tomcat: local privilege escalation (CVE-2019-12418)
* tomcat: session fixation (CVE-2019-17563)
* tomcat: Regression in handling of Transfer-Encoding header allows for
HTTP request smuggling (CVE-2019-17569)
* tomcat: Mishandling of Transfer-Encoding header allows for HTTP request
smuggling (CVE-2020-1935)

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 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

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

1785699 – CVE-2019-12418 tomcat: local privilege escalation
1785711 – CVE-2019-17563 tomcat: session fixation when using FORM authentication
1806398 – CVE-2020-1938 tomcat: Apache Tomcat AJP File Read/Inclusion Vulnerability
1806835 – CVE-2020-1935 tomcat: Mishandling of Transfer-Encoding header allows for HTTP request smuggling
1806849 – CVE-2019-17569 tomcat: Regression in handling of Transfer-Encoding header allows for HTTP request smuggling

5. References:

https://access.redhat.com/security/cve/CVE-2019-12418
https://access.redhat.com/security/cve/CVE-2019-17563
https://access.redhat.com/security/cve/CVE-2019-17569
https://access.redhat.com/security/cve/CVE-2020-1935
https://access.redhat.com/security/cve/CVE-2020-1938
https://access.redhat.com/security/updates/classification/#important

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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