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TTCSIRT-275.012820: TT-CSIRT ADVISORY- TOMCAT8 VULNERABLITIES ADVISORY

TTCSIRT-275.012820: TT-CSIRT ADVISORY- TOMCAT8 VULNERABLITIES ADVISORY

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)

The Trinidad and Tobago Cyber Security Incident Response Team (TTCSIRT) encourages users and administrators to review and apply the necessary updates for 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.

For your reference please see the following links:

CVE-2019-12418: https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-12418.html?_ga=2.103512128.1795211002.1580219395-1451759722.1580219395

CVE-2019-17563: https://people.canonical.com/~ubuntu-security/cve/2019/CVE-2019-17563.html?_ga=2.40443746.1795211002.1580219395-1451759722.1580219395