The host name verification when using TLS with the WebSocket client was missing. It is now enabled by default. Versions Affected: Apache Tomcat 9.0.0.M1 to 9.0.9, 8.5.0 to 8.5.31, 8.0.0.RC1 to 8.0.52, and 7.0.35 to 7.0.88.
http://mail-archives.us.apache.org/mod_mbox/www-announce/201807.mbox/%[email protected]%3E
http://www.oracle.com/technetwork/security-advisory/cpuoct2018-4428296.html
http://www.securityfocus.com/bid/104895
http://www.securitytracker.com/id/1041374
https://access.redhat.com/errata/RHSA-2019:0130
https://access.redhat.com/errata/RHSA-2019:0131
https://access.redhat.com/errata/RHSA-2019:0450
https://access.redhat.com/errata/RHSA-2019:0451
https://access.redhat.com/errata/RHSA-2019:1159
https://access.redhat.com/errata/RHSA-2019:1160
https://access.redhat.com/errata/RHSA-2019:1161
https://access.redhat.com/errata/RHSA-2019:1162
https://access.redhat.com/errata/RHSA-2019:1529
https://access.redhat.com/errata/RHSA-2019:2205
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cissues.activemq.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/[email protected]%3Cdev.tomcat.apache.org%3E
https://lists.debian.org/debian-lts-announce/2018/07/msg00047.html
https://lists.debian.org/debian-lts-announce/2018/09/msg00001.html
https://security.netapp.com/advisory/ntap-20180817-0001/
https://usn.ubuntu.com/3723-1/
https://www.debian.org/security/2018/dsa-4281
https://www.oracle.com/technetwork/security-advisory/cpuapr2019-5072813.html
https://www.oracle.com/technetwork/security-advisory/cpujul2019-5072835.html
https://www.oracle.com/technetwork/security-advisory/cpuoct2019-5072832.html
Source: MITRE
Published: 2018-08-01
Updated: 2019-05-14
Type: CWE-295
Base Score: 5
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:N
Impact Score: 2.9
Exploitability Score: 10
Severity: MEDIUM
Base Score: 7.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Impact Score: 3.6
Exploitability Score: 3.9
Severity: HIGH