medium
6.5
CWE
79 444
Advisory Published
Updated

CVE-2020-1935: XSS

First published: Mon Feb 24 2020(Updated: )

Apache Tomcat is vulnerable to HTTP request smuggling, caused by a flaw when handling unusual Transfer-Encoding HTTP header. By sending a specially-crafted request, an attacker could exploit this vulnerability to poison the web cache, bypass web application firewall protection, and conduct XSS attacks.

Credit: security@apache.org security@apache.org

Affected SoftwareAffected VersionHow to fix
redhat/tomcat<0:7.0.76-16.el7_9
0:7.0.76-16.el7_9
redhat/tomcat<0:7.0.76-11.el7_6
0:7.0.76-11.el7_6
redhat/tomcat<0:7.0.76-12.el7_7
0:7.0.76-12.el7_7
redhat/tomcat7<0:7.0.70-41.ep7.el6
0:7.0.70-41.ep7.el6
redhat/tomcat8<0:8.0.36-45.ep7.el6
0:8.0.36-45.ep7.el6
redhat/tomcat7<0:7.0.70-41.ep7.el7
0:7.0.70-41.ep7.el7
redhat/tomcat8<0:8.0.36-45.ep7.el7
0:8.0.36-45.ep7.el7
redhat/jws5-tomcat<0:9.0.30-3.redhat_4.1.el6
0:9.0.30-3.redhat_4.1.el6
redhat/jws5-tomcat-native<0:1.2.23-4.redhat_4.el6
0:1.2.23-4.redhat_4.el6
redhat/jws5-tomcat<0:9.0.30-3.redhat_4.1.el7
0:9.0.30-3.redhat_4.1.el7
redhat/jws5-tomcat-native<0:1.2.23-4.redhat_4.el7
0:1.2.23-4.redhat_4.el7
redhat/jws5-tomcat<0:9.0.30-3.redhat_4.1.el8
0:9.0.30-3.redhat_4.1.el8
redhat/jws5-tomcat-native<0:1.2.23-4.redhat_4.el8
0:1.2.23-4.redhat_4.el8
IBM IBM® Engineering Requirements Management DOORS<=9.7.2.7
IBM IBM® Engineering Requirements Management DOORS Web Access<=9.7.2.7
redhat/tomcat<9.0.31
9.0.31
redhat/tomcat<8.5.51
8.5.51
redhat/tomcat<7.0.100
7.0.100
ubuntu/tomcat8<8.0.32-1ubuntu1.13
8.0.32-1ubuntu1.13
ubuntu/tomcat9<9.0.31-1
9.0.31-1
debian/tomcat9
9.0.31-1~deb10u6
9.0.31-1~deb10u12
9.0.43-2~deb11u9
9.0.43-2~deb11u10
9.0.70-2
Apache Tomcat>=7.0.0<=7.0.99
Apache Tomcat>=8.5.0<=8.5.50
Apache Tomcat>=9.0.0<=9.0.30
Apache Tomcat=9.0.0
Apache Tomcat=9.0.0-milestone1
Apache Tomcat=9.0.0-milestone10
Apache Tomcat=9.0.0-milestone11
Apache Tomcat=9.0.0-milestone12
Apache Tomcat=9.0.0-milestone13
Apache Tomcat=9.0.0-milestone14
Apache Tomcat=9.0.0-milestone15
Apache Tomcat=9.0.0-milestone16
Apache Tomcat=9.0.0-milestone17
Apache Tomcat=9.0.0-milestone18
Apache Tomcat=9.0.0-milestone19
Apache Tomcat=9.0.0-milestone2
Apache Tomcat=9.0.0-milestone20
Apache Tomcat=9.0.0-milestone21
Apache Tomcat=9.0.0-milestone22
Apache Tomcat=9.0.0-milestone23
Apache Tomcat=9.0.0-milestone24
Apache Tomcat=9.0.0-milestone25
Apache Tomcat=9.0.0-milestone26
Apache Tomcat=9.0.0-milestone27
Apache Tomcat=9.0.0-milestone3
Apache Tomcat=9.0.0-milestone4
Apache Tomcat=9.0.0-milestone5
Apache Tomcat=9.0.0-milestone6
Apache Tomcat=9.0.0-milestone7
Apache Tomcat=9.0.0-milestone8
Apache Tomcat=9.0.0-milestone9
Debian Debian Linux=8.0
Debian Debian Linux=9.0
Debian Debian Linux=10.0
Canonical Ubuntu Linux=16.04
openSUSE Leap=15.1
Netapp Data Availability Services
NetApp OnCommand System Manager>=3.0.0<=3.1.3
Oracle Agile Engineering Data Management=6.2.1.0
Oracle Agile Product Lifecycle Management=9.3.3
Oracle Agile Product Lifecycle Management=9.3.5
Oracle Agile Product Lifecycle Management=9.3.6
Oracle Communications Element Manager=8.1.1
Oracle Communications Element Manager=8.2.0
Oracle Communications Element Manager=8.2.1
Oracle Communications Instant Messaging Server=10.0.1.4.0
Oracle Health Sciences Empirica Inspections=1.0.1.2
Oracle Health Sciences Empirica Signal=7.3.3
Oracle Hospitality Guest Access=4.2.0
Oracle Hospitality Guest Access=4.2.1
Oracle Hyperion Infrastructure Technology=11.1.2.4
Oracle Instantis Enterprisetrack>=17.1<=17.3
Oracle Mysql Enterprise Monitor>=4.0.0<=4.0.12
Oracle Mysql Enterprise Monitor>=8.0.0<=8.0.20
Oracle Retail Order Broker=15.0
Oracle Siebel Ui Framework<=20.5
Oracle Transportation Management=6.3.7
Oracle Workload Manager=12.2.0.1
Oracle Workload Manager=18c
Oracle Workload Manager=19c

Remedy

Workaround for Red Hat Satellite 6 is to add iptables rule to deny TCP requests of Tomcat that are not originating from the Satellite. For other Red Hat products, either mitigation isn't available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Remedy

https://github.com/apache/tomcat/commit/702bf15bea292915684d931526d95d4990b2e73d

Remedy

https://github.com/apache/tomcat/commit/8fbe2e962f0ea138d92361921643fe5abe0c4f56

Remedy

https://github.com/apache/tomcat/commit/8bfb0ff7f25fe7555a5eb2f7984f73546c11aa26

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