Details

When Information Rights Management (IRM) is used to restrict access to an Office Open XML document, any metadata associated with the document is not encrypted. This configuration could allow potentially sensitive information such as the document author and hyperlink references to be exposed to unauthorized individuals.

Solution

Set the policy value for User Configuration -> Administrative Templates -> Microsoft Office 2013 -> Security Settings ‘Protect document metadata for rights managed Office Open XML Files’ to ‘Enabled’.

Supportive Information

The following resource is also helpful.

• https://dl.dod.cyber.mil/wp-content/uploads/stigs/zip/U_MS_OfficeSystem_2013_V2R1_STIG.zip

This security hardening control applies to the following category of controls within NIST 800-53: System and Communications Protection.This control applies to the following type of system Windows.

References

• 800-53|SC-28(1)
• CAT|II
• CCI|CCI-002476
• Rule-ID|SV-228560r508020_rule
• STIG-ID|DTOO187
• STIG-Legacy|SV-52724
• STIG-Legacy|V-17769
• Vuln-ID|V-228560

Source

• Tenable.com/audits