Developer Tools Availability must be disabled.

Associated with: CCI-000381

SV-96309r2_rule Developer Tools Availability must be disabled.

Vulnerability discussion

: If this policy is set to ”DeveloperToolsDisallowedForForceInstalledExtensions” (value 0, which is the default for enterprise users), the Developer Tools and the JavaScript console can be accessed in general, but they cannot be accessed in the context of extensions installed by enterprise policy. If this policy is set to ”DeveloperToolsAllowed” (value 1, which is the default for unmanaged users), the Developer Tools and the JavaScript console can be accessed and used in all contexts, including the context of extensions installed by enterprise policy. If this policy is set to ”DeveloperToolsDisallowed” (value 2), the Developer Tools cannot be accessed and web-site elements cannot be inspected anymore. Any keyboard shortcuts and any menu or context menu entries to open the Developer Tools or the JavaScript Console will be disabled.• 0 = Disallow usage of the Developer Tools on extensions installed by enterprise policy, allow usage of the Developer Tools in other contexts• 1 = Allow usage of the Developer Tools• 2 = Disallow usage of the Developer Tools

Check content

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

Fix text

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 Policy Name: Control where Developer Tools can be used Policy State: Enabled Policy Value: 2

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