STIGQter: STIG Summary: Adobe Acrobat Professional DC Continuous Security Technical Implementation Guide Version: 1 Release: 2 Benchmark Date: 01 Jul 2019:

Adobe Acrobat Pro DC Continuous PDF file attachments must be blocked.

DISA Rule

SV-94069r1_rule

Vulnerability Number

V-79363

Group Title

SRG-APP-000141

Rule Version

AADC-CN-000275

Severity

CAT II

CCI(s)

• CCI-000381 - The organization configures the information system to provide only essential capabilities.

Weight

10

Fix Recommendation

Configure the following registry value:

Registry Hive:
HKEY_LOCAL_MACHINE
Registry Path:
\Software\Policies\Adobe\Adobe Acrobat\DC\FeatureLockDown

Value Name: iFileAttachmentPerms
Type: REG_DWORD
Value: 1

Configure the policy value for Computer Configuration > Administrative Templates > Adobe Acrobat Pro DC Continuous > Preferences > Trust Manager > 'Allow opening of non-PDF file attachments with external applications' to 'Disabled'.

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

Check Contents

Verify the following registry configuration:

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

Value Name: iFileAttachmentPerms
Type: REG_DWORD
Value: 1

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

GUI path: Edit > Preferences > Trust Manager > In the 'PDF File Attachments' section > Verify 'Allow opening of non-PDF file attachments with external applications' checkbox is unchecked and greyed out (locked). If the box is checked and not greyed out (locked), this is a finding.

Admin Template path: Computer Configuration > Administrative Templates > Adobe Acrobat Pro DC Continuous > Preferences > Trust Manager > 'Allow opening of non-PDF file attachments with external applications' must be set to 'Disabled'.

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

Vulnerability Number

V-79363

Documentable

False

Rule Version

AADC-CN-000275

Severity Override Guidance

Verify the following registry configuration:

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

Value Name: iFileAttachmentPerms
Type: REG_DWORD
Value: 1

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

GUI path: Edit > Preferences > Trust Manager > In the 'PDF File Attachments' section > Verify 'Allow opening of non-PDF file attachments with external applications' checkbox is unchecked and greyed out (locked). If the box is checked and not greyed out (locked), this is a finding.

Admin Template path: Computer Configuration > Administrative Templates > Adobe Acrobat Pro DC Continuous > Preferences > Trust Manager > 'Allow opening of non-PDF file attachments with external applications' must be set to 'Disabled'.

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

Check Content Reference

M

Target Key

3371

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