RHSA-2021:3216 - Security Advisory

Topic

A security update is now available for Red Hat JBoss Enterprise Application Platform 7.3.

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.

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 7.3.

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.

Solution

Before applying this update, back up your existing Red Hat JBoss Enterprise Application Platform installation and deployed applications.

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

Affected Products

• JBoss Enterprise Application Platform Text-Only Advisories x86_64

Fixes

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

CVEs

• CVE-2021-3690

References

• https://access.redhat.com/security/updates/classification/#important
• https://access.redhat.com/jbossnetwork/restricted/listSoftware.html?downloadType=securityPatches&product=appplatform&version=7.3
• https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.3/
• https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.3/html-single/installation_guide/