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RedHat: RHSA-2021-4863 Important: JBoss Web Server 5.6.0 Multiple Issues

red hat
Calendar Grey November 30, 2021
Dist Redhat Esm H88
The Red Hat JBoss Web Server version 5.6.0 has been released in a zip file format, featuring crucial security patches that rectify various vulnerabilities.
Red Hat JBoss Web Server 5.6.0 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 5.6.0 serves as a replacement for Red Hat JBoss Web Server 5.5.0. This release includes bug fixes, enhancements and component upgrades, which are documented in the Release Notes, linked to in the References.
Security Fix(es):
* tomcat: OutOfMemoryError caused by HTTP upgrade connection leak could lead to DoS (CVE-2021-42340) * tomcat: HTTP request smuggling when used with a reverse proxy (CVE-2021-33037) * tomcat: JNDI realm authentication weakness (CVE-2021-30640)
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 Red Hat DoS issue important HTTP smuggling JBoss Web Server authentication weakness

References

https://access.redhat.com/security/cve/CVE-2021-30640 https://access.redhat.com/security/cve/CVE-2021-33037 https://access.redhat.com/security/cve/CVE-2021-42340 https://access.redhat.com/security/updates/classification/#important

Package List


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4863-01
Product: Red Hat JBoss Web Server
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4863
Issue date: 2021-11-30

Topic

Red Hat JBoss Web Server 5.6.0 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 Red Hat DoS issue important HTTP smuggling JBoss Web Server authentication weakness

Relevant Releases Architectures

Bugs Fixed

1981533 - CVE-2021-33037 tomcat: HTTP request smuggling when used with a reverse proxy

1981544 - CVE-2021-30640 tomcat: JNDI realm authentication weakness

2014356 - CVE-2021-42340 tomcat: OutOfMemoryError caused by HTTP upgrade connection leak could lead to DoS

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