RHSA-2021:3219 - Security Advisory

Topic

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.

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.

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

Affected Products

• JBoss Enterprise Application Platform 7.4 for RHEL 8 x86_64
• JBoss Enterprise Application Platform 7.4 for RHEL 7 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/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/