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Red Hat: RHSA-2021-4861-01 Critical: JBoss Web Server DoS and Auth Issues

red hat
Calendar Grey November 30, 2021
Dist Redhat Esm H88
The latest Red Hat JBoss Middleware 5.6.0 update brings vital security improvements that address multiple vulnerabilities impacting system stability and user authentication
Updated Red Hat JBoss Web Server 5.6.0 packages are now available for Red Hat Enterprise Linux 7 and Red Hat Enterprise Linux 8

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

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 DoS Red Hat Enterprise Linux important HTTP request 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

Red Hat JBoss Web Server 5.6 for RHEL 7 Server:
Source: jws5-tomcat-9.0.50-3.redhat_00004.1.el7jws.src.rpm jws5-tomcat-native-1.2.30-3.redhat_3.el7jws.src.rpm jws5-tomcat-vault-1.1.8-4.Final_redhat_00004.1.el7jws.src.rpm
noarch: jws5-tomcat-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-admin-webapps-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-docs-webapp-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-el-3.0-api-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-java-jdk11-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-java-jdk8-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-javadoc-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-jsp-2.3-api-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-lib-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-selinux-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-servlet-4.0-api-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-vault-1.1.8-4.Final_redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-vault-javadoc-1.1.8-4.Final_redhat_00004.1.el7jws.noarch.rpm jws5-tomcat-webapps-9.0.50-3.redhat_00004.1.el7jws.noarch.rpm
x86_64: jws5-tomcat-native-1.2.30-3.redhat_3.el7jws.x86_64.rpm jws5-tomcat-native-debuginfo-1.2.30-3.redhat_3.el7jws.x86_64.rpm


Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:4861-01
Product: Red Hat JBoss Web Server
Advisory URL: https://access.redhat.com/errata/RHSA-2021:4861
Issue date: 2021-11-30

Topic

Updated Red Hat JBoss Web Server 5.6.0 packages are now available for RedHat Enterprise Linux 7 and Red Hat Enterprise Linux 8.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 DoS Red Hat Enterprise Linux important HTTP request smuggling JBoss Web Server authentication weakness

Relevant Releases Architectures

Red Hat JBoss Web Server 5.6 for RHEL 7 Server - noarch, x86_64

Red Hat JBoss Web Server 5.6 for RHEL 8 - noarch, x86_64

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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