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FFOX-00-000007 Firefox must be configured to disable form fill assistance.

DISA STIG library V6R9
All changes in this version
first version loaded CAT II

Maps to CM-7 via CCI-000381

Title

Firefox must be configured to disable form fill assistance.

Control

Type "about:policies" in the browser window. If "DisableFormHistory" is not displayed under Policy Name or the Policy Value is not "true", this is a finding.

Discussion

To protect privacy and sensitive data, Firefox provides the ability to configure the program so that data entered into forms is not saved. This mitigates the risk of a website gleaning private information from prefilled information.

Related controls

CCI-000381

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 Policy Name: Disable Form History Policy State: Enabled macOS "plist" file: Add the following: DisableFormHistory Linux "policies.json" file: Add the following in the policies section: "DisableFormHistory": true