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Red Hat Security Advisory

Synopsis: Important: Red Hat JBoss Enterprise Application Platform 6.4 security update
Advisory ID: RHSA-2020:3382-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2020:3382
Issue date: 2020-08-10
CVE Names: CVE-2020-13935
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1. Summary:

An update is now available for Red Hat JBoss Enterprise Application
Platform 6.4.

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. Description:

Red Hat JBoss Enterprise Application Platform is a platform for Java
applications based on the JBoss Application Server.

This asynchronous patch is an update for JBoss Enterprise Application
Platform 6.4. All users of Red Hat JBoss Enterprise Application Platform
6.4 are advised to upgrade to these updated packages.

Security Fix(es):

* jbossweb: tomcat: multiple requests with invalid payload length in a
WebSocket frame could lead to DoS (CVE-2020-13935)

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.

3. Solution:

Before applying this update, back up your existing Red Hat JBoss Enterprise
Application Platform installation and deployed applications. The JBoss
server process must be restarted for the update to take effect.

The References section of this erratum contains a download link (you must
log in to download the update).

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

1857024 – CVE-2020-13935 tomcat: multiple requests with invalid payload length in a WebSocket frame could lead to DoS

5. References:

https://access.redhat.com/security/cve/CVE-2020-13935
https://access.redhat.com/security/updates/classification/#important
https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?product=appplatform&downloadType=securityPatches&version=6.4
https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/6.4/

6. Contact:

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

Copyright 2020 Red Hat, Inc.
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