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Red Hat JBoss EAP 7.3 RHSA-2021-3217-01 Critical: DoS Buffer Leak

red hat
Calendar Grey August 18, 2021
Scroller Redhat
A new security advisory for Red Hat's JBoss EAP 7.3 reveals critical denial-of-service vulnerabilities. Users must update to the latest version to boost security and maintain compliance.
A security update is now available for Red Hat JBoss Enterprise Application Platform 7.3 for Red Hat Enterprise Linux 6, 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 7.3 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.

Topics%20covered

Topics Covered

security advisory red hat DoS application platform 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/7.3/ https://access.redhat.com/documentation/en-us/red_hat_jboss_enterprise_application_platform/7.3/html-single/installation_guide/

Package List

Red Hat JBoss EAP 7.3 for RHEL 6 Server:
Source: eap7-undertow-2.0.38-2.SP2_redhat_00001.1.el6eap.src.rpm
noarch: eap7-undertow-2.0.38-2.SP2_redhat_00001.1.el6eap.noarch.rpm
Red Hat JBoss EAP 7.3 for RHEL 7 Server:
Source: eap7-undertow-2.0.38-2.SP2_redhat_00001.1.el7eap.src.rpm
noarch: eap7-undertow-2.0.38-2.SP2_redhat_00001.1.el7eap.noarch.rpm
Red Hat JBoss EAP 7.3 for BaseOS-8:
Source: eap7-undertow-2.0.38-2.SP2_redhat_00001.1.el8eap.src.rpm
noarch: eap7-undertow-2.0.38-2.SP2_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-2021:3217-01
Product: Red Hat JBoss Enterprise Application Platform
Advisory URL: https://access.redhat.com/errata/RHSA-2021:3217
Issue date: 2021-08-18

Topic

A security update is now available for Red Hat JBoss Enterprise ApplicationPlatform 7.3 for Red Hat Enterprise Linux 6, 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 application platform buffer leak

Relevant Releases Architectures

Red Hat JBoss EAP 7.3 for BaseOS-8 - noarch

Red Hat JBoss EAP 7.3 for RHEL 6 Server - noarch

Red Hat JBoss EAP 7.3 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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