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DTBC-0073 Web Bluetooth API must be disabled.

DISA STIG library V2R11
All changes in this version
first version loaded CAT II

Maps to CM-7 via CCI-000381

Title

Web Bluetooth API must be disabled.

Control

Universal method: 1. In the omnibox (address bar) type chrome://policy 2. If DefaultWebBluetoothGuardSetting is not displayed under the Policy Name column or it is not set to 2 under the Policy Value column, then this is a finding. Windows method: 1. Start regedit 2. Navigate to HKLM\Software\Policies\Google\Chrome\ 3. If the DefaultWebBluetoothGuardSetting value name does not exist or its value data is not set to 2, then this is a finding.

Discussion

Setting the policy to 3 lets websites ask for access to nearby Bluetooth devices. Setting the policy to 2 denies access to nearby Bluetooth devices. Leaving the policy unset lets sites ask for access, but users can change this setting. 2 = Do not allow any site to request access to Bluetooth devices via the Web Bluetooth API 3 = Allow sites to ask the user to grant access to a nearby Bluetooth device

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\Google\Google Chrome\Content Settings Policy Name: Control use of the Web Bluetooth API Policy State: Enabled Policy Value: Do not allow any site to request access to Bluetooth devices via the Web Bluetooth API