Adobe Reader DC must disable 3rd Party Web Connectors.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-65787	ARDC-CL-000075	SV-80277r2_rule		Medium

Description
When 3rd Party Web Connectors are disabled it prevents the configuration of Adobe Reader DC access to third party services for file storage.

STIG	Date
Adobe Acrobat Reader DC Classic Track Security Technical Implementation Guide	2018-06-11

Details

Check Text ( C-66469r2_chk )
Verify the following registry configuration: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bToggleWebConnectors Type: REG_DWORD Value: 1 If the value for bToggleWebConnectors is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding. Admin Template path: Computer Configuration > Administrative Template > Adobe Reader DC Classic > Preferences > 'Third-party web connectors' must be set to 'Disabled'. This policy setting requires the installation of the AcrobatDCClassic custom templates included with the STIG package. "AcrobatDCClassic.admx" and "AcrobatDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.

Check Text ( C-66469r2_chk )

Verify the following registry configuration:

Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created.

Utilizing the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices

Value Name: bToggleWebConnectors
Type: REG_DWORD
Value: 1

If the value for bToggleWebConnectors is not set to “1” and Type configured to REG_DWORD or does not exist, then this is a finding.

Admin Template path: Computer Configuration > Administrative Template > Adobe Reader DC Classic > Preferences > 'Third-party web connectors' must be set to 'Disabled'.

This policy setting requires the installation of the AcrobatDCClassic custom templates included with the STIG package. "AcrobatDCClassic.admx" and "AcrobatDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.

Fix Text (F-71857r2_fix)
Configure the following registry value: Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created. Registry Hive: HKEY_LOCAL_MACHINE Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices Value Name: bToggleWebConnectors Type: REG_DWORD Value: 1 Configure the policy value for Computer Configuration > Administrative Template > Adobe Reader DC Classic > Preferences > 'Third-party web connectors' to 'Disabled'. This policy setting requires the installation of the AcrobatDCClassic custom templates included with the STIG package. "AcrobatDCClassic.admx" and "AcrobatDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.

Fix Text (F-71857r2_fix)

Configure the following registry value:

Note: The Key Name "cServices" is not created by default in the Adobe Reader DC install and must be created.

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: \Software\Policies\Adobe\Acrobat Reader\2015\FeatureLockDown\cServices

Value Name: bToggleWebConnectors
Type: REG_DWORD
Value: 1

Configure the policy value for Computer Configuration > Administrative Template > Adobe Reader DC Classic > Preferences > 'Third-party web connectors' to 'Disabled'.

This policy setting requires the installation of the AcrobatDCClassic custom templates included with the STIG package. "AcrobatDCClassic.admx" and "AcrobatDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.