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Adobe Acrobat Pro DC Classic Webmail must be disabled.


Overview

Finding ID Version Rule ID IA Controls Severity
V-80147 AADC-CL-001305 SV-94851r1_rule Low
Description
Acrobat Pro DC provides a Webmail capability. This allows users to send PDFs as email attachments using any mail account that supports SMTP/IMAP protocols. In addition to existing desktop email clients, users can now configure these mail accounts by providing User Name, Password, IMAP and SMTP details. The capability allows users to utilize Gmail and Yahoo mail accounts to send PDF files directly from within the Acrobat application. This capability allows the user to by-pass existing email protections provided by DoD email services.
STIG Date
Adobe Acrobat Professional DC Classic Security Technical Implementation Guide 2019-07-01

Details

Check Text ( C-79815r1_chk )
Verify the following registry configuration:

Using the Registry Editor, navigate to the following: HKEY_LOCAL_MACHINE\Software\Policies\Adobe\Adobe Acrobat\2015\FeatureLockDown\cWebmailProfiles

Value Name: bDisableWebmail
Type: REG_DWORD
Value: 1

If the value for bDisableWebmail is not set to "1" and Type is not configured to REG_DWORD or does not exist, this is a finding.

Admin Template path: Computer Configuration > Administrative Template > Adobe Acrobat Pro DC Classic > Preferences > 'WebMail' must be set to 'Disabled'.

This policy setting requires the installation of the AcrobatProDCClassic custom templates included with the STIG package. "AcrobatProDCClassic.admx" and "AcrobatProDCClassic.adml" must be copied to the \Windows\PolicyDefinitions and \Windows\PolicyDefinitions\en-US directories respectively.
Fix Text (F-86953r1_fix)
Configure the following registry value:

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

Value Name: bDisableWebmail
Type: REG_DWORD
Value: 1

Configure the policy value for Computer Configuration > Administrative Template > Adobe Acrobat Pro DC Classic > Preferences > 'WebMail' to 'Disabled'.

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