https://issues.apache.org/bugzilla/show_bug.cgi?id=56383

            Bug ID: 56383
           Summary: Securing ErrorReportValve
           Product: Tomcat 7
           Version: trunk
          Hardware: All
                OS: All
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: Catalina
          Assignee: dev@tomcat.apache.org
          Reporter: thrain...@gmail.com

Created attachment 31507
  --> https://issues.apache.org/bugzilla/attachment.cgi?id=31507&action=edit
Patch for ErrorReportValve

When the default error valve returns its report it publishes the tomcat version
and some other troubleshooting data. This of course breaks security standards
at some companies and also is published as a item that needs to be remediated
when hardening tomcat(OWASP - goo.gl/Zr9xso ). When using the OWASP solution of
replacing the serverInfo.properties file it can and will break tools/code that
uses that information. 

Attached is the proposed enhancement to be able switch options to show minimal
information back.

By adding the below will only return a html page with only the status. No CSS
or title
<Valve className="org.apache.catalina.valves.ErrorReportValve"
showReport="false" showServerInfo="false" />

Currently, default is true for both so if users still want to see the current
report nothing will have to change in there server.xml

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