The designer will ensure the web application assigns the character set on all web pages.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-16806	APP3530	SV-17806r1_rule	DCSQ-1	Medium

Description
For web applications, setting the character set on the web page reduces the possibility of receiving unexpected input that uses other character set encodings by the web application.

STIG	Date
Application Security and Development Checklist	2014-12-22

Details

Check Text ( C-17804r1_chk )
Ask the application representative to review web pages, and determine if the application sets the character set. Perl After the last header look for print "Content-Type: text/html; charset=utf-8\n\n"; PHP. Look for the header() function before any content is generated header('Content-type: text/html; charset=utf-8'); Java Servlets. Look for the setContentType method on the ServletResponse object Objectname.setContentType ("text/html;charset=utf-8"); JSP. Look for a page directives <%@ page contentType="text/html; charset=UTF-8" %> ASP Look for Response.charset <%Response.charset="utf-8"%> ASP.Net Look for Response.ContentEncoding Response.ContentEncoding = Encoding.UTF8; 1) If the application representative cannot demonstrate the above, it is a finding.

Check Text ( C-17804r1_chk )

Ask the application representative to review web pages, and determine if the application sets the character set.

Perl
After the last header look for
print "Content-Type: text/html; charset=utf-8\n\n";

PHP.
Look for the header() function before any content is generated
header('Content-type: text/html; charset=utf-8');

Java Servlets.
Look for the setContentType method on the ServletResponse object
Objectname.setContentType ("text/html;charset=utf-8");

JSP.
Look for a page directives
<%@ page contentType="text/html; charset=UTF-8" %>

ASP
Look for Response.charset
<%Response.charset="utf-8"%>

ASP.Net
Look for Response.ContentEncoding
Response.ContentEncoding = Encoding.UTF8;

1) If the application representative cannot demonstrate the above, it is a finding.

Fix Text (F-17095r1_fix)
Set the character set on all web pages.