CWE
444
Advisory Published
CVE Published
Advisory Published
Updated

CVE-2019-20445

First published: Wed Jan 29 2020(Updated: )

A flaw was found in Netty before version 4.1.44, where it accepted multiple Content-Length headers and also accepted both Transfer-Encoding, as well as Content-Length headers where it should reject the message under such circumstances. In circumstances where Netty is used in the context of a server, it could result in a viable HTTP smuggling vulnerability.

Credit: cve@mitre.org cve@mitre.org

Affected SoftwareAffected VersionHow to fix
maven/io.netty:netty<4.0.0
maven/org.jboss.netty:netty<4.0.0
maven/io.netty:netty-handler>=4.0.0<4.1.45
4.1.45
redhat/qpid-proton<0:0.30.0-4.el6_10
0:0.30.0-4.el6_10
redhat/qpid-proton<0:0.30.0-2.el7
0:0.30.0-2.el7
redhat/nodejs-rhea<0:1.0.16-1.el8
0:1.0.16-1.el8
redhat/qpid-proton<0:0.30.0-3.el8
0:0.30.0-3.el8
redhat/eap7-netty<0:4.1.45-1.Final_redhat_00001.1.el6ea
0:4.1.45-1.Final_redhat_00001.1.el6ea
redhat/eap7-activemq-artemis<0:2.9.0-2.redhat_00009.1.el6ea
0:2.9.0-2.redhat_00009.1.el6ea
redhat/eap7-apache-commons-beanutils<0:1.9.4-1.redhat_00002.1.el6ea
0:1.9.4-1.redhat_00002.1.el6ea
redhat/eap7-glassfish-el<0:3.0.1-4.b08_redhat_00003.1.el6ea
0:3.0.1-4.b08_redhat_00003.1.el6ea
redhat/eap7-glassfish-jaxb<0:2.3.3-4.b02_redhat_00001.1.el6ea
0:2.3.3-4.b02_redhat_00001.1.el6ea
redhat/eap7-glassfish-jsf<0:2.3.5-7.SP3_redhat_00005.1.el6ea
0:2.3.5-7.SP3_redhat_00005.1.el6ea
redhat/eap7-hal-console<0:3.0.20-1.Final_redhat_00001.1.el6ea
0:3.0.20-1.Final_redhat_00001.1.el6ea
redhat/eap7-hibernate<0:5.3.15-1.Final_redhat_00001.1.el6ea
0:5.3.15-1.Final_redhat_00001.1.el6ea
redhat/eap7-infinispan<0:9.3.8-1.Final_redhat_00001.1.el6ea
0:9.3.8-1.Final_redhat_00001.1.el6ea
redhat/eap7-ironjacamar<0:1.4.20-1.Final_redhat_00001.1.el6ea
0:1.4.20-1.Final_redhat_00001.1.el6ea
redhat/eap7-jackson-databind<0:2.9.10.2-1.redhat_00001.1.el6ea
0:2.9.10.2-1.redhat_00001.1.el6ea
redhat/eap7-jaegertracing-jaeger-client-java<0:0.34.1-1.redhat_00002.1.el6ea
0:0.34.1-1.redhat_00002.1.el6ea
redhat/eap7-jboss-ejb-client<0:4.0.28-1.Final_redhat_00001.1.el6ea
0:4.0.28-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-remoting<0:5.0.17-1.Final_redhat_00001.1.el6ea
0:5.0.17-1.Final_redhat_00001.1.el6ea
redhat/eap7-jboss-server-migration<0:1.3.1-8.Final_redhat_00009.1.el6ea
0:1.3.1-8.Final_redhat_00009.1.el6ea
redhat/eap7-picketlink-bindings<0:2.5.5-23.SP12_redhat_00012.1.el6ea
0:2.5.5-23.SP12_redhat_00012.1.el6ea
redhat/eap7-stax2-api<0:4.2.0-1.redhat_00001.1.el6ea
0:4.2.0-1.redhat_00001.1.el6ea
redhat/eap7-sun-istack-commons<0:3.0.10-1.redhat_00001.1.el6ea
0:3.0.10-1.redhat_00001.1.el6ea
redhat/eap7-thrift<0:0.13.0-1.redhat_00002.1.el6ea
0:0.13.0-1.redhat_00002.1.el6ea
redhat/eap7-wildfly<0:7.2.7-4.GA_redhat_00004.1.el6ea
0:7.2.7-4.GA_redhat_00004.1.el6ea
redhat/eap7-wildfly-http-client<0:1.0.20-1.Final_redhat_00001.1.el6ea
0:1.0.20-1.Final_redhat_00001.1.el6ea
redhat/eap7-wildfly-openssl<0:1.0.9-2.SP03_redhat_00001.1.el6ea
0:1.0.9-2.SP03_redhat_00001.1.el6ea
redhat/eap7-wildfly-transaction-client<0:1.1.9-1.Final_redhat_00001.1.el6ea
0:1.1.9-1.Final_redhat_00001.1.el6ea
redhat/eap7-woodstox-core<0:6.0.3-1.redhat_00001.1.el6ea
0:6.0.3-1.redhat_00001.1.el6ea
redhat/eap7-xml-security<0:2.1.4-1.redhat_00001.1.el6ea
0:2.1.4-1.redhat_00001.1.el6ea
redhat/eap7-netty<0:4.1.45-1.Final_redhat_00001.1.el7ea
0:4.1.45-1.Final_redhat_00001.1.el7ea
redhat/eap7-activemq-artemis<0:2.9.0-2.redhat_00009.1.el7ea
0:2.9.0-2.redhat_00009.1.el7ea
redhat/eap7-apache-commons-beanutils<0:1.9.4-1.redhat_00002.1.el7ea
0:1.9.4-1.redhat_00002.1.el7ea
redhat/eap7-glassfish-el<0:3.0.1-4.b08_redhat_00003.1.el7ea
0:3.0.1-4.b08_redhat_00003.1.el7ea
redhat/eap7-glassfish-jaxb<0:2.3.3-4.b02_redhat_00001.1.el7ea
0:2.3.3-4.b02_redhat_00001.1.el7ea
redhat/eap7-glassfish-jsf<0:2.3.5-7.SP3_redhat_00005.1.el7ea
0:2.3.5-7.SP3_redhat_00005.1.el7ea
redhat/eap7-hal-console<0:3.0.20-1.Final_redhat_00001.1.el7ea
0:3.0.20-1.Final_redhat_00001.1.el7ea
redhat/eap7-hibernate<0:5.3.15-1.Final_redhat_00001.1.el7ea
0:5.3.15-1.Final_redhat_00001.1.el7ea
redhat/eap7-infinispan<0:9.3.8-1.Final_redhat_00001.1.el7ea
0:9.3.8-1.Final_redhat_00001.1.el7ea
redhat/eap7-ironjacamar<0:1.4.20-1.Final_redhat_00001.1.el7ea
0:1.4.20-1.Final_redhat_00001.1.el7ea
redhat/eap7-jackson-databind<0:2.9.10.2-1.redhat_00001.1.el7ea
0:2.9.10.2-1.redhat_00001.1.el7ea
redhat/eap7-jaegertracing-jaeger-client-java<0:0.34.1-1.redhat_00002.1.el7ea
0:0.34.1-1.redhat_00002.1.el7ea
redhat/eap7-jboss-ejb-client<0:4.0.28-1.Final_redhat_00001.1.el7ea
0:4.0.28-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-remoting<0:5.0.17-1.Final_redhat_00001.1.el7ea
0:5.0.17-1.Final_redhat_00001.1.el7ea
redhat/eap7-jboss-server-migration<0:1.3.1-8.Final_redhat_00009.1.el7ea
0:1.3.1-8.Final_redhat_00009.1.el7ea
redhat/eap7-picketlink-bindings<0:2.5.5-23.SP12_redhat_00012.1.el7ea
0:2.5.5-23.SP12_redhat_00012.1.el7ea
redhat/eap7-stax2-api<0:4.2.0-1.redhat_00001.1.el7ea
0:4.2.0-1.redhat_00001.1.el7ea
redhat/eap7-sun-istack-commons<0:3.0.10-1.redhat_00001.1.el7ea
0:3.0.10-1.redhat_00001.1.el7ea
redhat/eap7-thrift<0:0.13.0-1.redhat_00002.1.el7ea
0:0.13.0-1.redhat_00002.1.el7ea
redhat/eap7-wildfly<0:7.2.7-4.GA_redhat_00004.1.el7ea
0:7.2.7-4.GA_redhat_00004.1.el7ea
redhat/eap7-wildfly-http-client<0:1.0.20-1.Final_redhat_00001.1.el7ea
0:1.0.20-1.Final_redhat_00001.1.el7ea
redhat/eap7-wildfly-openssl<0:1.0.9-2.SP03_redhat_00001.1.el7ea
0:1.0.9-2.SP03_redhat_00001.1.el7ea
redhat/eap7-wildfly-transaction-client<0:1.1.9-1.Final_redhat_00001.1.el7ea
0:1.1.9-1.Final_redhat_00001.1.el7ea
redhat/eap7-woodstox-core<0:6.0.3-1.redhat_00001.1.el7ea
0:6.0.3-1.redhat_00001.1.el7ea
redhat/eap7-xml-security<0:2.1.4-1.redhat_00001.1.el7ea
0:2.1.4-1.redhat_00001.1.el7ea
redhat/eap7-netty<0:4.1.45-1.Final_redhat_00001.1.el8ea
0:4.1.45-1.Final_redhat_00001.1.el8ea
redhat/eap7-activemq-artemis<0:2.9.0-2.redhat_00009.1.el8ea
0:2.9.0-2.redhat_00009.1.el8ea
redhat/eap7-apache-commons-beanutils<0:1.9.4-1.redhat_00002.1.el8ea
0:1.9.4-1.redhat_00002.1.el8ea
redhat/eap7-glassfish-el<0:3.0.1-4.b08_redhat_00003.1.el8ea
0:3.0.1-4.b08_redhat_00003.1.el8ea
redhat/eap7-glassfish-jaxb<0:2.3.3-4.b02_redhat_00001.1.el8ea
0:2.3.3-4.b02_redhat_00001.1.el8ea
redhat/eap7-glassfish-jsf<0:2.3.5-7.SP3_redhat_00005.1.el8ea
0:2.3.5-7.SP3_redhat_00005.1.el8ea
redhat/eap7-hal-console<0:3.0.20-1.Final_redhat_00001.1.el8ea
0:3.0.20-1.Final_redhat_00001.1.el8ea
redhat/eap7-hibernate<0:5.3.15-1.Final_redhat_00001.1.el8ea
0:5.3.15-1.Final_redhat_00001.1.el8ea
redhat/eap7-infinispan<0:9.3.8-1.Final_redhat_00001.1.el8ea
0:9.3.8-1.Final_redhat_00001.1.el8ea
redhat/eap7-ironjacamar<0:1.4.20-1.Final_redhat_00001.1.el8ea
0:1.4.20-1.Final_redhat_00001.1.el8ea
redhat/eap7-jackson-databind<0:2.9.10.2-1.redhat_00001.1.el8ea
0:2.9.10.2-1.redhat_00001.1.el8ea
redhat/eap7-jaegertracing-jaeger-client-java<0:0.34.1-1.redhat_00002.1.el8ea
0:0.34.1-1.redhat_00002.1.el8ea
redhat/eap7-jboss-ejb-client<0:4.0.28-1.Final_redhat_00001.1.el8ea
0:4.0.28-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-remoting<0:5.0.17-1.Final_redhat_00001.1.el8ea
0:5.0.17-1.Final_redhat_00001.1.el8ea
redhat/eap7-jboss-server-migration<0:1.3.1-8.Final_redhat_00009.1.el8ea
0:1.3.1-8.Final_redhat_00009.1.el8ea
redhat/eap7-picketlink-bindings<0:2.5.5-23.SP12_redhat_00012.1.el8ea
0:2.5.5-23.SP12_redhat_00012.1.el8ea
redhat/eap7-stax2-api<0:4.2.0-1.redhat_00001.1.el8ea
0:4.2.0-1.redhat_00001.1.el8ea
redhat/eap7-sun-istack-commons<0:3.0.10-1.redhat_00001.1.el8ea
0:3.0.10-1.redhat_00001.1.el8ea
redhat/eap7-thrift<0:0.13.0-1.redhat_00002.1.el8ea
0:0.13.0-1.redhat_00002.1.el8ea
redhat/eap7-wildfly<0:7.2.7-4.GA_redhat_00004.1.el8ea
0:7.2.7-4.GA_redhat_00004.1.el8ea
redhat/eap7-wildfly-http-client<0:1.0.20-1.Final_redhat_00001.1.el8ea
0:1.0.20-1.Final_redhat_00001.1.el8ea
redhat/eap7-wildfly-openssl<0:1.0.9-2.SP03_redhat_00001.1.el8ea
0:1.0.9-2.SP03_redhat_00001.1.el8ea
redhat/eap7-wildfly-transaction-client<0:1.1.9-1.Final_redhat_00001.1.el8ea
0:1.1.9-1.Final_redhat_00001.1.el8ea
redhat/eap7-woodstox-core<0:6.0.3-1.redhat_00001.1.el8ea
0:6.0.3-1.redhat_00001.1.el8ea
redhat/eap7-xml-security<0:2.1.4-1.redhat_00001.1.el8ea
0:2.1.4-1.redhat_00001.1.el8ea
Netty Netty<4.1.44
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Fedoraproject Fedora=33
Canonical Ubuntu Linux=18.04
Redhat Jboss Amq Clients=2
Redhat Jboss Enterprise Application Platform=7.2
Redhat Jboss Enterprise Application Platform=7.3
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
Apache Spark=2.4.7
Apache Spark=2.4.8
All of
Any of
Redhat Jboss Amq Clients=2
Redhat Jboss Enterprise Application Platform=7.2
Redhat Jboss Enterprise Application Platform=7.3
Any of
Redhat Enterprise Linux=6.0
Redhat Enterprise Linux=7.0
Redhat Enterprise Linux=8.0
debian/netty
1:4.1.48-4+deb11u2
1:4.1.48-7+deb12u1
1:4.1.48-10
redhat/netty<4.1.44
4.1.44

Remedy

* Use HTTP/2 instead (clear boundaries between requests) * Disable reuse of backend connections eg. ```http-reuse never``` in HAProxy or whatever equivalent LB settings

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