Issued:

2021-11-30

Updated:

2021-11-30

RHSA-2021:4863 - Important: Red Hat JBoss Web Server 5.6.0 Security release

Synopsis

Important: Red Hat JBoss Web Server 5.6.0 Security release

Type/Severity

Security Advisory Important

Topic

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.

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.

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 5.6.0 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.

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.

Affected Products

Fixes

• This content is not included.BZ - 1981533
• This content is not included.BZ - 1981544
• This content is not included.BZ - 2014356

CVEs

• CVE-2021-3712
• CVE-2021-23840
• CVE-2021-23841
• CVE-2021-30640
• CVE-2021-33037
• CVE-2021-42340

References

• https://access.redhat.com/security/updates/classification/#important

Additional information

• The Red Hat security contact is This content is not included.secalert@redhat.com. More contact details at https://access.redhat.com/security/team/contact/.
• Offline Security Data data is available for integration with other systems. See Offline Security Data API to get started.