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=====================================================================
                   Red Hat Security Advisory

Synopsis:          Important: Red Hat JBoss Enterprise Application Platform 7.4 security update
Advisory ID:       RHSA-2021:3219-01
Product:           Red Hat JBoss Enterprise Application Platform
Advisory URL:      https://access.redhat.com/errata/RHSA-2021:3219
Issue date:        2021-08-18
CVE Names:         CVE-2021-3690 
=====================================================================

1. Summary:

A security update is now available for Red Hat JBoss Enterprise Application
Platform 7.4 for Red Hat Enterprise Linux 7 and 8.

Red Hat Product Security has rated this update 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. Relevant releases/architectures:

Red Hat JBoss EAP 7.4 for BaseOS-8 - noarch
Red Hat JBoss EAP 7.4 for RHEL 7 Server - noarch

3. Description:

Red Hat JBoss Enterprise Application Platform 7 is a platform for Java
applications based on the WildFly application runtime.

This asynchronous patch is a security update for Red Hat JBoss Enterprise
Application Platform 7.4 for Red Hat Enterprise Linux 7 and 8.

Security Fix(es):

* undertow: buffer leak on incoming websocket PONG message may lead to DoS
(CVE-2021-3690)

For more details about the security issue(s), including the impact, a CVSS
score, and other related information, see the CVE page(s) listed in the
References section.

4. 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

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

1991299 - CVE-2021-3690 undertow: buffer leak on incoming websocket PONG message may lead to DoS

6. Package List:

Red Hat JBoss EAP 7.4 for RHEL 7 Server:

Source:
eap7-undertow-2.2.5-2.SP1_redhat_00001.1.el7eap.src.rpm

noarch:
eap7-undertow-2.2.5-2.SP1_redhat_00001.1.el7eap.noarch.rpm

Red Hat JBoss EAP 7.4 for BaseOS-8:

Source:
eap7-undertow-2.2.5-2.SP1_redhat_00001.1.el8eap.src.rpm

noarch:
eap7-undertow-2.2.5-2.SP1_redhat_00001.1.el8eap.noarch.rpm

These packages are GPG signed by Red Hat for security.  Our key and
details on how to verify the signature are available from
https://access.redhat.com/security/team/key/

7. References:

https://access.redhat.com/security/cve/CVE-2021-3690
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.4/
https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.4/html-single/installation_guide/

8. Contact:

The Red Hat security contact is . More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2021 Red Hat, Inc.
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