USN-3081-1: Tomcat vulnerability
19 September 2016
tomcat6, tomcat7, tomcat8 vulnerability
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
- Ubuntu 12.04 LTS
Summary
The system could be made to run programs as an administrator.
Software Description
- tomcat8 - Servlet and JSP engine
- tomcat7 - Servlet and JSP engine
- tomcat6 - 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.
Update instructions
The problem can be corrected by updating your system to the following package versions:
- Ubuntu 16.04 LTS
- libtomcat8-java - 8.0.32-1ubuntu1.2
- tomcat8 - 8.0.32-1ubuntu1.2
- Ubuntu 14.04 LTS
- libtomcat7-java - 7.0.52-1ubuntu0.7
- tomcat7 - 7.0.52-1ubuntu0.7
- Ubuntu 12.04 LTS
- libtomcat6-java - 6.0.35-1ubuntu3.8
- tomcat6 - 6.0.35-1ubuntu3.8
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.