FFOX-00-000009 - Firefox must be configured to block pop-up windows.

Information

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 Configuration\Administrative Templates\Mozilla\Firefox\Popups
Policy Name: Block pop-ups from websites
Policy State: Enabled

macOS 'plist' file:
Add the following:
<key>PopupBlocking</key>
<true/>

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

See Also

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

Item Details

References: CAT|II, CCI|CCI-000381, Rule-ID|SV-251553r807131_rule, STIG-ID|FFOX-00-000009, Vuln-ID|V-251553

Plugin: Windows

Control ID: 164d3d4fe3d1e481bb118234a0b52ae231d930886bf2de916ee8f2c61a7dfd94