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Red Hat JBoss EAP 7.4 Important: RHSA-2021-3219 DoS Buffer Leak

red hat
Calendar Grey August 18, 2021
Dist Redhat Esm H88
Critical security patch released for Red Hat JBoss EAP 7.4 addressing severe buffer overflow vulnerability affecting vital functionalities.
A security update is now available for Red Hat JBoss Enterprise Application Platform 7.4 for Red Hat Enterprise Linux 7 and 8

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

Summary

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.

Topics%20covered

Topics Covered

security advisory red hat DoS important application platform jboss buffer leak

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/

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/


Severity
important
Lowest
Low
Medium
High
Critical

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

Topic

A security update is now available for Red Hat JBoss Enterprise ApplicationPlatform 7.4 for Red Hat Enterprise Linux 7 and 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory red hat DoS important application platform jboss buffer leak

Relevant Releases Architectures

Red Hat JBoss EAP 7.4 for BaseOS-8 - noarch

Red Hat JBoss EAP 7.4 for RHEL 7 Server - noarch

Bugs Fixed

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

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