FFOX-00-000005 - Firefox must be configured to not automatically update installed add-ons and plugins.

Details

Set this to false to disable checking for updated versions of the Extensions/Themes. Automatic updates from untrusted sites puts the enclave at risk of attack and may override security settings.


Solution

Windows group policy:
1. Open the group policy editor tool with 'gpedit.msc'.
2. Navigate to Policy Path: Computer ConfigurationAdministrative TemplatesMozillaFirefoxExtensions
Policy Name: Extension Update
Policy State: Disabled

macOS 'plist' file:
Add the following:
ExtensionUpdate


Linux 'policies.json' file:
Add the following in the policies section:
'ExtensionUpdate': false


Supportive Information

The following resource is also helpful.

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 Unix.


References


Source