USN-4251-1: Tomcat vulnerabilities
tomcat8 vulnerabilities
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
Summary
Several security issues were fixed in Tomcat.
Software Description
- tomcat8 – Servlet and JSP engine
Details
It was discovered that Tomcat incorrectly handled the RMI registry when
configured with the JMX Remote Lifecycle Listener. A local attacker could
possibly use this issue to obtain credentials and gain complete control
over the Tomcat instance. (CVE-2019-12418)
It was discovered that Tomcat incorrectly handled FORM authentication. A
remote attacker could possibly use this issue to perform a session fixation
attack. (CVE-2019-17563)
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 16.04 LTS
- libtomcat8-java – 8.0.32-1ubuntu1.11
- tomcat8 – 8.0.32-1ubuntu1.11
To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades.
In general, a standard system update will make all the necessary changes.
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