Details

When Webmail is disabled the user cannot configure a webmail account to send an open PDF document as an attachment. Users should have the ability to send documents as Microsoft Outlook attachments. The difference is that Outlook must be configured by the administrator on the local machine.

Solution

Configure the following registry value:

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

Registry Hive: HKEY_LOCAL_MACHINE
Registry Path: SoftwarePoliciesAdobeAcrobat Reader2015FeatureLockDowncWebmailProfiles

Value Name: bDisableWebmail
Type: REG_DWORD
Value: 1

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_Adobe_Acrobat_Reader_DC_Classic_V2R1_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: Configuration Management.This control applies to the following type of system Windows.

References

• 800-53|CM-7a.
• CAT|II
• CCI|CCI-000381
• Rule-ID|SV-213157r557349_rule
• STIG-ID|ARDC-CL-000090
• STIG-Legacy|SV-80281
• STIG-Legacy|V-65791
• Vuln-ID|V-213157

Source

• Tenable.com/audits