USN-4251-1: Tomcat vulnerabilities

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Ubuntu security notices

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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.

References


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