USN-4251-1: Tomcat vulnerabilities

Releases

• Ubuntu 16.04 ESM

Packages

• 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

• libtomcat8-java - 8.0.32-1ubuntu1.11
• tomcat8 - 8.0.32-1ubuntu1.11

In general, a standard system update will make all the necessary changes.

References

• CVE-2019-12418
• CVE-2019-17563