CVE-2021-3690: High severity red hat fuse vulnerability

Published Jul 30, 2021
·
Updated

A flaw was found in Undertow. A buffer leak on the incoming WebSocket PONG message may lead to memory exhaustion. This flaw allows an attacker to cause a denial of service. The highest threat from this vulnerability is availability.

Other sources

A vulnerability was found in Undertow where buffer leak on incoming websocket PONG message may lead to memory exhaustion.

https://issues.redhat.com/browse/UNDERTOW-1935

— Red Hat

Affected Software

62 affected componentsFixes available
redhat/eap7-undertow<0:2.0.38-2.SP2_redhat_00001.1.el6ea
0:2.0.38-2.SP2_redhat_00001.1.el6ea
redhat/eap7-apache-commons-io<0:2.10.0-1.redhat_00001.1.el6ea
0:2.10.0-1.redhat_00001.1.el6ea
redhat/eap7-hal-console<0:3.2.16-1.Final_redhat_00001.1.el6ea
0:3.2.16-1.Final_redhat_00001.1.el6ea
redhat/eap7-hibernate<0:5.3.20-4.SP2_redhat_00001.1.el6ea
0:5.3.20-4.SP2_redhat_00001.1.el6ea
redhat/eap7-ironjacamar<0:1.4.35-1.Final_redhat_00001.1.el6ea
0:1.4.35-1.Final_redhat_00001.1.el6ea
redhat/eap7-jakarta-el<0:3.0.3-2.redhat_00006.1.el6ea
0:3.0.3-2.redhat_00006.1.el6ea
redhat/eap7-jberet<0:1.3.9-1.Final_redhat_00001.1.el6ea
0:1.3.9-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-remoting<0:5.0.23-2.SP1_redhat_00001.1.el6ea
0:5.0.23-2.SP1_redhat_00001.1.el6ea
redhat/eap7-jboss-server-migration<0:1.7.2-9.Final_redhat_00010.1.el6ea
0:1.7.2-9.Final_redhat_00010.1.el6ea
redhat/eap7-narayana<0:5.9.12-1.Final_redhat_00001.1.el6ea
0:5.9.12-1.Final_redhat_00001.1.el6ea
redhat/eap7-picketbox<0:5.0.3-9.Final_redhat_00008.1.el6ea
0:5.0.3-9.Final_redhat_00008.1.el6ea
redhat/eap7-undertow<0:2.0.39-1.SP2_redhat_00001.1.el6ea
0:2.0.39-1.SP2_redhat_00001.1.el6ea
redhat/eap7-wildfly<0:7.3.9-2.GA_redhat_00002.1.el6ea
0:7.3.9-2.GA_redhat_00002.1.el6ea
redhat/eap7-wildfly-http-client<0:1.0.29-1.Final_redhat_00002.1.el6ea
0:1.0.29-1.Final_redhat_00002.1.el6ea
redhat/eap7-wildfly-transaction-client<0:1.1.14-2.Final_redhat_00001.1.el6ea
0:1.1.14-2.Final_redhat_00001.1.el6ea
redhat/eap7-undertow<0:2.0.38-2.SP2_redhat_00001.1.el7ea
0:2.0.38-2.SP2_redhat_00001.1.el7ea
redhat/eap7-apache-commons-io<0:2.10.0-1.redhat_00001.1.el7ea
0:2.10.0-1.redhat_00001.1.el7ea
redhat/eap7-hal-console<0:3.2.16-1.Final_redhat_00001.1.el7ea
0:3.2.16-1.Final_redhat_00001.1.el7ea
redhat/eap7-hibernate<0:5.3.20-4.SP2_redhat_00001.1.el7ea
0:5.3.20-4.SP2_redhat_00001.1.el7ea
redhat/eap7-ironjacamar<0:1.4.35-1.Final_redhat_00001.1.el7ea
0:1.4.35-1.Final_redhat_00001.1.el7ea
redhat/eap7-jakarta-el<0:3.0.3-2.redhat_00006.1.el7ea
0:3.0.3-2.redhat_00006.1.el7ea
redhat/eap7-jberet<0:1.3.9-1.Final_redhat_00001.1.el7ea
0:1.3.9-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-remoting<0:5.0.23-2.SP1_redhat_00001.1.el7ea
0:5.0.23-2.SP1_redhat_00001.1.el7ea
redhat/eap7-jboss-server-migration<0:1.7.2-9.Final_redhat_00010.1.el7ea
0:1.7.2-9.Final_redhat_00010.1.el7ea
redhat/eap7-narayana<0:5.9.12-1.Final_redhat_00001.1.el7ea
0:5.9.12-1.Final_redhat_00001.1.el7ea
redhat/eap7-picketbox<0:5.0.3-9.Final_redhat_00008.1.el7ea
0:5.0.3-9.Final_redhat_00008.1.el7ea
redhat/eap7-undertow<0:2.0.39-1.SP2_redhat_00001.1.el7ea
0:2.0.39-1.SP2_redhat_00001.1.el7ea
redhat/eap7-wildfly<0:7.3.9-2.GA_redhat_00002.1.el7ea
0:7.3.9-2.GA_redhat_00002.1.el7ea
redhat/eap7-wildfly-http-client<0:1.0.29-1.Final_redhat_00002.1.el7ea
0:1.0.29-1.Final_redhat_00002.1.el7ea
redhat/eap7-wildfly-transaction-client<0:1.1.14-2.Final_redhat_00001.1.el7ea
0:1.1.14-2.Final_redhat_00001.1.el7ea
redhat/eap7-undertow<0:2.0.38-2.SP2_redhat_00001.1.el8ea
0:2.0.38-2.SP2_redhat_00001.1.el8ea
redhat/eap7-apache-commons-io<0:2.10.0-1.redhat_00001.1.el8ea
0:2.10.0-1.redhat_00001.1.el8ea
redhat/eap7-hal-console<0:3.2.16-1.Final_redhat_00001.1.el8ea
0:3.2.16-1.Final_redhat_00001.1.el8ea
redhat/eap7-hibernate<0:5.3.20-4.SP2_redhat_00001.1.el8ea
0:5.3.20-4.SP2_redhat_00001.1.el8ea
redhat/eap7-ironjacamar<0:1.4.35-1.Final_redhat_00001.1.el8ea
0:1.4.35-1.Final_redhat_00001.1.el8ea
redhat/eap7-jakarta-el<0:3.0.3-2.redhat_00006.1.el8ea
0:3.0.3-2.redhat_00006.1.el8ea
redhat/eap7-jberet<0:1.3.9-1.Final_redhat_00001.1.el8ea
0:1.3.9-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-remoting<0:5.0.23-2.SP1_redhat_00001.1.el8ea
0:5.0.23-2.SP1_redhat_00001.1.el8ea
redhat/eap7-jboss-server-migration<0:1.7.2-9.Final_redhat_00010.1.el8ea
0:1.7.2-9.Final_redhat_00010.1.el8ea
redhat/eap7-narayana<0:5.9.12-1.Final_redhat_00001.1.el8ea
0:5.9.12-1.Final_redhat_00001.1.el8ea
redhat/eap7-picketbox<0:5.0.3-9.Final_redhat_00008.1.el8ea
0:5.0.3-9.Final_redhat_00008.1.el8ea
redhat/eap7-undertow<0:2.0.39-1.SP2_redhat_00001.1.el8ea
0:2.0.39-1.SP2_redhat_00001.1.el8ea
redhat/eap7-wildfly<0:7.3.9-2.GA_redhat_00002.1.el8ea
0:7.3.9-2.GA_redhat_00002.1.el8ea
redhat/eap7-wildfly-http-client<0:1.0.29-1.Final_redhat_00002.1.el8ea
0:1.0.29-1.Final_redhat_00002.1.el8ea
redhat/eap7-wildfly-transaction-client<0:1.1.14-2.Final_redhat_00001.1.el8ea
0:1.1.14-2.Final_redhat_00001.1.el8ea
redhat/eap7-undertow<0:2.2.5-2.SP1_redhat_00001.1.el8ea
0:2.2.5-2.SP1_redhat_00001.1.el8ea
redhat/eap7-undertow<0:2.2.9-2.SP1_redhat_00001.1.el8ea
0:2.2.9-2.SP1_redhat_00001.1.el8ea
redhat/eap7-undertow<0:2.2.5-2.SP1_redhat_00001.1.el7ea
0:2.2.5-2.SP1_redhat_00001.1.el7ea
redhat/eap7-undertow<0:2.2.9-2.SP1_redhat_00001.1.el7ea
0:2.2.9-2.SP1_redhat_00001.1.el7ea
redhat Fuse=1.0
redhat Integration Camel K
redhat Integration Camel Quarkus
redhat JBoss Enterprise Application Platform
redhat Openshift Application Runtimes
redhat Single Sign-on
redhat undertow<2.0.40
redhat undertow>=2.1.0<2.2.10
redhat JBoss Enterprise Application Platform=7.3
redhat Enterprise Linux=6.0
redhat Enterprise Linux=7.0
redhat Enterprise Linux=8.0
redhat JBoss Enterprise Application Platform=7.4

Remediation

Patch Available

https://github.com/undertow-io/undertow/commit/c7e84a0b7efced38506d7d1dfea5902366973877

Event History

Jul 30, 2021
CVE Published
12:00 AM
Aug 9, 2021
Data Sourced
via Red Hat·12:08 AM
DescriptionSeverityAffected Software
Aug 23, 2022
CVE Published
via MITRE·03:50 PM
Data Sourced
via MITRE·03:50 PM
DescriptionWeakness

Parent advisories

This vulnerability appears in the following advisories.

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Frequently Asked Questions

1

What is the severity of CVE-2021-3690?

The severity of CVE-2021-3690 is classified as high due to its potential to cause a denial of service.

2

How do I fix CVE-2021-3690?

To fix CVE-2021-3690, update to the recommended patched version of the affected Undertow package.

3

Which versions of Undertow are affected by CVE-2021-3690?

CVE-2021-3690 affects specific versions of Undertow up to 2.0.40.

4

Is there a risk of memory exhaustion from CVE-2021-3690?

Yes, CVE-2021-3690 can lead to memory exhaustion due to a buffer leak on incoming WebSocket PONG messages.

5

What impact does CVE-2021-3690 have on my application?

CVE-2021-3690 impacts application availability, making it vulnerable to denial of service attacks.

Company

Resources

Contact

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