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Firefox cryptomining protection must be enabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-251568 FFOX-00-000024 SV-251568r807176_rule Medium
Description
The Content Blocking/Tracking Protection feature stops Firefox from loading content from malicious sites. The content might be a script or an image, for example. If a site is on one of the tracker lists that Firefox is set to use, the fingerprinting script (or other tracking script/image) will not be loaded from that site. Cryptomining scripts use a computer's central processing unit to invisibly mine cryptocurrency.
STIG Date
Mozilla Firefox Security Technical Implementation Guide 2021-12-01

Details

Check Text ( C-55003r807174_chk )
Type "about:policies" in the browser address bar.

If "EnableTrackingProtection" is not displayed under Policy Name or the Policy Value is not "Cryptomining" with a value of "true", this is a finding.
Fix Text (F-54957r807175_fix)
Windows group policy:
1. Open the group policy editor tool with "gpedit.msc".
2. Navigate to Policy Path: Computer Configuration\Administrative Templates\Mozilla\Firefox\Tracking Protection
Policy Name: Cryptomining
Policy State: Enabled

macOS "plist" file:
Add the following:
EnableTrackingProtection

Cryptomining



Linux "policies.json" file:
Add the following in the policies section:
"EnableTrackingProtection": {
"Cryptomining": true
}