Details

Pop-up windows may be used to launch an attack within a new browser window with altered settings. This setting blocks pop-up windows created while the page is loading.

Solution

Windows group policy:
1. Open the group policy editor tool with ‘gpedit.msc’.
2. Navigate to Policy Path: Computer ConfigurationAdministrative TemplatesMozillaFirefoxPopups
Policy Name: Block pop-ups from websites
Policy State: Enabled

macOS ‘plist’ file:
Add the following:
PopupBlocking

Linux ‘policies.json’ file:
Add the following in the policies section:
‘PopupBlocking’: true

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MOZ_Firefox_V6R1_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Windows.

References

• 800-53|CM-7a.
• CAT|II
• CCI|CCI-000381
• Rule-ID|SV-251553r807131_rule
• STIG-ID|FFOX-00-000009
• Vuln-ID|V-251553

Source

• Tenable.com/audits