Protect document metadata for rights managed Office Open XML fiiles

Protect document metadata for rights managed Office Open XML fiiles - Office

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17769	DTOO187 - Office	SV-18976r1_rule	ECSC-1	Medium

Description
By default, 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 people.

STIG	Date
Microsoft Office System 2007	2014-01-07

Details

Check Text ( C-19032r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Office 2007 system -> Security Settings “Protect document metadata for rights managed Office Open XML Files” will be set to “Enabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\12.0\Common\Security Criteria: If the value DRMEncryptProperty is REG_DWORD = 1, this is not a finding.

Check Text ( C-19032r1_chk )

The policy value for User Configuration -> Administrative Templates -> Microsoft Office 2007 system -> Security Settings “Protect document metadata for rights managed Office Open XML Files” will be set to “Enabled”.

Procedure: Use the Windows Registry Editor to navigate to the following key:

HKCU\Software\Policies\Microsoft\Office\12.0\Common\Security

Criteria: If the value DRMEncryptProperty is REG_DWORD = 1, this is not a finding.

Fix Text (F-17668r1_fix)
The policy value for User Configuration -> Administrative Templates -> Microsoft Office 2007 system -> Security Settings “Protect document metadata for rights managed Office Open XML Files” will be set to “Enabled”. "Note: Group Policy Administrative Templates are available from the www.microsoft.com download site. The MS Office 2007 System (Office12.adm) is included in the AdminTemplates.exe file. This template provides the mechanisms to incorporate Microsoft Office 2007 System policies via the Microsoft Group Policy Editor (gpedit.msc)." "Note: If the Microsoft Group Policy Editor (gpedit.msc) is not used to incorporate the remediation to this vulnerability the Microsoft Registry Editor (regedit.exe) may be used to create the registry key and value required."

Fix Text (F-17668r1_fix)

The policy value for User Configuration -> Administrative Templates -> Microsoft Office 2007 system -> Security Settings “Protect document metadata for rights managed Office Open XML Files” will be set to “Enabled”.

"Note: Group Policy Administrative Templates are available from the www.microsoft.com download site. The MS Office 2007 System (Office12.adm) is included in the AdminTemplates.exe file. This template provides the
mechanisms to incorporate Microsoft Office 2007 System policies via the Microsoft Group Policy Editor (gpedit.msc)."

"Note: If the Microsoft Group Policy Editor (gpedit.msc) is not used to incorporate the remediation to this vulnerability the Microsoft Registry Editor (regedit.exe) may be used to create the registry key and value required."