Description
When Apache Tomcat 9.0.0.M1 to 9.0.28, 8.5.0 to 8.5.47, 7.0.0 and 7.0.97 is configured with the JMX Remote Lifecycle Listener, a local attacker without access to the Tomcat process or configuration files is able to manipulate the RMI registry to perform a man-in-the-middle attack to capture user names and passwords used to access the JMX interface. The attacker can then use these credentials to access the JMX interface and gain complete control over the Tomcat instance.
Remediation
References
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00013.html
https://lists.apache.org/thread.html/43530b91506e2e0c11cfbe691173f5df8c48f51b98262426d7493b67%40%3Cannounce.tomcat.apache.org%3E
https://lists.apache.org/thread.html/r3bbb800a816d0a51eccc5a228c58736960a9fffafa581a225834d97d%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/r48c1444845fe15a823e1374674bfc297d5008a5453788099ea14caf0%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/r6ccee4e849bc77df0840c7f853f6bd09d426f6741247da2b7429d5d9%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/r9136ff5b13e4f1941360b5a309efee2c114a14855578c3a2cbe5d19c%40%3Cdev.tomcat.apache.org%3E
https://lists.apache.org/thread.html/raba0fabaf4d56d4325ab2aca8814f0b30a237ab83d8106b115ee279a%40%3Cdev.tomcat.apache.org%3E
https://lists.debian.org/debian-lts-announce/2020/01/msg00024.html
https://lists.debian.org/debian-lts-announce/2020/03/msg00029.html
https://seclists.org/bugtraq/2019/Dec/43
https://security.gentoo.org/glsa/202003-43
https://security.netapp.com/advisory/ntap-20200107-0001/
https://support.f5.com/csp/article/K10107360?utm_source=f5support&%3Butm_medium=RSS
https://usn.ubuntu.com/4251-1/
https://www.debian.org/security/2019/dsa-4596
https://www.debian.org/security/2020/dsa-4680
https://www.oracle.com/security-alerts/cpuapr2020.html
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