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Red Hat JBoss Web Server 5.4 RHSA-2020-5173-01 Moderate DoS Threat Alert

red hat
Calendar Grey November 23, 2020
Dist Redhat Esm H88
The latest Red Hat JBoss Web Server 5.4.0 update tackles a significant DoS vulnerability, providing guidelines for effective patch implementation.
Red Hat JBoss Web Server 5.4.0 zip release for RHEL 6, RHEL 7, RHEL 8 and Microsoft Windows is available

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 5.4 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.

Topics%20covered

Topics Covered

security advisory moderate denial of service red hat red hat jboss

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

Package List


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

Topic

Red Hat JBoss Web Server 5.4.0 zip release for RHEL 6, RHEL 7, RHEL 8 andMicrosoft Windows is available.Red Hat Product Security has rated this release as having a security impactof Moderate. A Common Vulnerability Scoring System (CVSS) base score, whichgives a detailed severity rating, is available for each vulnerability fromthe CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory moderate denial of service red hat red hat jboss

Relevant Releases Architectures

Bugs Fixed

1851420 - CVE-2020-11996 tomcat: specially crafted sequence of HTTP/2 requests can lead to DoS

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