Title

Automatic download of updates from the Windows Store must be turned off. (Cat III impact)

Discussion

Uncontrolled system updates can introduce issues to a system. Obtaining update components from an outside source may also potentially allow sensitive information outside of the enterprise. Application updates must be obtained from an internal source.

Check Content

The Windows Store is not installed by default. If the \Windows\WinStore directory does not exist, this is NA. If the following registry value does not exist or is not configured as specified, this is a finding: Windows 2012 R2: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\WindowsStore\ Value Name: AutoDownload Type: REG_DWORD Value: 0x00000002 (2) Windows 2012: Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \SOFTWARE\Policies\Microsoft\WindowsStore\WindowsUpdate\ Value Name: AutoDownload Type: REG_DWORD Value: 0x00000002 (2)

Fix Text

The Windows Store is not installed by default. If the \Windows\WinStore directory does not exist, this is NA. Windows 2012 R2: Windows 2012 R2 split the original policy that configures this setting into two separate ones. Configuring either one to "Enabled" will update the registry value as identified in the Check section. Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Store -> "Turn off Automatic Download of updates on Win8 machines" or "Turn off Automatic Download and install of updates" to "Enabled". Windows 2012: Configure the policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Store -> "Turn off Automatic Download of updates" to "Enabled".

Additional Identifiers

Rule ID: SV-225387r569185_rule

Vulnerability ID: V-225387

Group Title: SRG-OS-000095-GPOS-00049

Expert Comments

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