Apache Tomcat Remote Code Execution Vulnerability

  • When running on Windows with HTTP PUTs enabled (e.g. via setting the readonly initialisation parameter of the Default to false) it was possible to upload a JSP file to the server via a specially crafted request. This JSP could then be requested and any code it contained would be executed by the server.
  • Upgrade to the latest version of Apache Tomcat. This issue was fixed in Apache Tomcat version 7.0.81.