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Firefox is configured to allow JavaScript to raise or lower windows.


Overview

Finding ID Version Rule ID IA Controls Severity
V-15985 DTBF182 SV-16927r1_rule ECSC-1 Medium
Description
JavaScript can make changes to the browser’s appearance. Allowing a website to use JavaScript to raise and lower browser windows may disguise an attack. Browser windows may not be set as active via JavaScript.
STIG Date
Mozilla FireFox 2014-07-03

Details

Check Text ( C-16625r1_chk )
In About:Config, verify that the preference name “dom.disable_window_flip" is set and locked to “true”.

Criteria: If the parameter is set incorrectly, then this is a finding. If the setting is not locked, then this is a finding.
Fix Text (F-15997r1_fix)
Ensure the preference "dom.disable_window_flip" is set and locked to the value of “true”.