User Entries to Server List must be disallowed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17944	DTOO286	SV-54059r1_rule		Medium

Description
If users are able to manually enter the addresses of servers that are not approved by the organization, they could use servers that do not meet your organization's information security requirements, which could cause sensitive information to be at risk. By default, when users create a meeting workspace, they can choose a server from a default list provided by administrators or manually enter the address of a server that is not listed.

Description

If users are able to manually enter the addresses of servers that are not approved by the organization, they could use servers that do not meet your organization's information security requirements, which could cause sensitive information to be at risk. By default, when users create a meeting workspace, they can choose a server from a default list provided by administrators or manually enter the address of a server that is not listed.

STIG	Date
Microsoft Outlook 2013 STIG	2018-09-05

Details

Check Text ( C-47999r1_chk )
Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Meeting Workspace "Disable user entries to server list" is set to "Enabled (Publish default, disallow others)". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\15.0\meetings\profile Criteria: If the value ServerUI is REG_DWORD = 2, this is not a finding.

Check Text ( C-47999r1_chk )

Verify the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Meeting Workspace "Disable user entries to server list" is set to "Enabled (Publish default, disallow others)".

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

HKCU\Software\Policies\Microsoft\Office\15.0\meetings\profile

Criteria: If the value ServerUI is REG_DWORD = 2, this is not a finding.

Fix Text (F-46939r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2013 -> Meeting Workspace "Disable user entries to server list" to "Enabled (Publish default, disallow others)".