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OpenAdvisories
Medium · 5.3 CVE-2018-14642 EUVD-2022-5347GHSA-vf6r-mmhc-3xcm

Exposure of Sensitive Information to an Unauthorized Actor in Undertow

Published Sep 18, 2018 · Updated Aug 5, 2024 · Assigned by redhat

Vendor: Red Hat Product: undertow Package: io.undertow:undertow-core Package: undertow Package: undertow Ecosystem: Debian Ecosystem: Maven Ecosystem: Ubuntu

Description

An information leak vulnerability was found in Undertow. If all headers are not written out in the first write() call then the code that handles flushing the buffer will always write out the full contents of the writevBuffer buffer, which may contain data from previous requests.

Affected products

VendorProductAffectedFixed
Red Hat undertow — —

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

Debian

Security tracker ↗
ReleasePackageFixed inAdvisory
Debian 14 undertow 2.0.23-1 —

Ubuntu

Security tracker ↗
ReleasePackageFixed inAdvisory
Ubuntu 26.10 undertow No fix yet —
Ubuntu 26.04 LTS undertow No fix yet —
Ubuntu 25.10 undertow No fix yet —
Ubuntu 20.04 LTS undertow 2.0.23-1 —
Show 3 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Ubuntu Pro 24.04 LTS undertow No fix yet —
Ubuntu Pro 18.04 LTS undertow No fix yet —
Ubuntu Pro 16.04 LTS undertow No fix yet —

Red Hat

Security tracker ↗
ReleasePackageFixed inAdvisory
RHEL 7 rhvm-appliance 2:4.3-20190502.0.el7 RHEA-2019:1119
Show 1 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Red Hat JBoss EAP 7 eap7-activemq-artemis +15 1.5.5.015-1.redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-activemq-artemis-tools 2.6.3-5.redhat_00020.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-apache-commons-lang 3.8.0-1.redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-apache-cxf +3 3.1.16-2.redhat_2.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-artemis-native +1 2.6.3-15.redhat_00020.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-byte-buddy 1.9.5-1.redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-cxf-xjc-dv +5 3.2.3-2.redhat_00002.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-dom4j 2.1.1-1.redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-elytron-web +1 1.2.4-1.Final_redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-hibernate +5 5.1.17-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-httpcomponents-asyncclient 4.1.4-1.redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-infinispan +8 9.3.6-1.Final_redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-ironjacamar +8 1.4.12-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-jackson-core +4 2.9.8-2.redhat_00004.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-jackson-databind 2.8.11.3-1.redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-jackson-modules-base +4 2.9.8-1.redhat_00004.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-jandex 2.0.5-1.Final_redhat_1.1.ep7.el6 RHSA-2019:0365, RHSA-2019:0364
Red Hat JBoss EAP 7 eap7-jberet +1 1.2.7-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-jboss-ejb-client 4.0.12-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-jboss-el-api_3.0_spec 1.0.13-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-jboss-genericjms 2.0.1-2.Final_redhat_00002.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-jboss-logmanager 2.0.11-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-jboss-modules 1.6.7-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:0365, RHSA-2019:0364
Red Hat JBoss EAP 7 eap7-jboss-remoting-jmx 3.0.1-1.Final_redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-jboss-security-negotiation 3.0.5-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-jboss-server-migration +22 1.3.0-7.Final_redhat_00004.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-jbossws-common 3.1.7-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:0365, RHSA-2019:0364
Red Hat JBoss EAP 7 eap7-narayana +10 5.5.34-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-picketlink-api +9 2.5.5-15.SP12_redhat_3.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-resteasy +19 3.6.1-4.SP3_redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-sun-istack-commons +2 3.0.7-2.redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-undertow 1.4.18-10.SP11_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-undertow-jastow 2.0.7-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-wildfly +1 7.1.6-4.GA_redhat_00002.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-wildfly-common 1.2.1-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:0365, RHSA-2019:0364
Red Hat JBoss EAP 7 eap7-wildfly-elytron 1.1.12-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-wildfly-elytron-tool 1.0.9-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-wildfly-http-client +4 1.0.13-1.Final_redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-wildfly-java-jdk8 +1 7.2.1-6.GA_redhat_00004.1.el7eap RHSA-2019:1108
Red Hat JBoss EAP 7 eap7-wildfly-javadocs 7.1.6-2.GA_redhat_00002.1.ep7.el6 RHSA-2019:1108, RHSA-2019:1107, RHSA-2019:0365
Red Hat JBoss EAP 7 eap7-wildfly-transaction-client 1.1.3-1.Final_redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107
Red Hat JBoss EAP 7 eap7-wildfly-web-console-eap 2.9.19-1.Final_redhat_00001.1.ep7.el6 RHSA-2019:0365, RHSA-2019:0364
Red Hat JBoss EAP 7 eap7-yasson 1.0.2-1.redhat_00001.1.el6eap RHSA-2019:1108, RHSA-2019:1107

Affected packages

EcosystemPackageAffectedFixedRecord
Maven io.undertow:undertow-core < 2.0.19.FINAL 2.0.19.FINAL GHSA-vf6r-mmhc-3xcm

Advisories 5

References