Ubuntu Security Notices
USN-3081-1

USN-3081-1: Tomcat vulnerability

Publication date

19 September 2016

Overview

The system could be made to run programs as an administrator.

Releases

16.04 LTS 14.04 LTS 12.04

Packages

tomcat6 - Servlet and JSP engine
tomcat7 - Servlet and JSP engine
tomcat8 - Servlet and JSP engine

Details

Dawid Golunski discovered that the Tomcat init script incorrectly handled
creating log files. A remote attacker could possibly use this issue to
obtain root privileges. (CVE-2016-1240)

This update also reverts a change in behaviour introduced in USN-3024-1 by
setting mapperContextRootRedirectEnabled to True by default.

Dawid Golunski discovered that the Tomcat init script incorrectly handled
creating log files. A remote attacker could possibly use this issue to
obtain root privileges. (CVE-2016-1240)

This update also reverts a change in behaviour introduced in USN-3024-1 by
setting mapperContextRootRedirectEnabled to True by default.

Update instructions

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

Learn more about how to get the fixes.

The problem can be corrected by updating your system to the following package versions:

Ubuntu Release	Package Version
16.04 xenial	libtomcat8-java – 8.0.32-1ubuntu1.2
16.04 xenial	tomcat8 – 8.0.32-1ubuntu1.2
14.04 trusty	libtomcat7-java – 7.0.52-1ubuntu0.7
14.04 trusty	tomcat7 – 7.0.52-1ubuntu0.7
12.04 precise	libtomcat6-java – 6.0.35-1ubuntu3.8
12.04 precise	tomcat6 – 6.0.35-1ubuntu3.8

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References

CVE-2016-1240

USN-3081-2

USN-3081-2