RHSA-2021:3217 - Security Advisory

Topic

A security update is now available for Red Hat JBoss Enterprise Application Platform 7.3 for Red Hat Enterprise Linux 6, 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 7.3 for Red Hat Enterprise Linux 6, 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 7.3 for RHEL 8 x86_64
• JBoss Enterprise Application Platform 7.3 for RHEL 7 x86_64
• JBoss Enterprise Application Platform 7.3 for RHEL 6 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/7.3/
• https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.3/html-single/installation_guide/