Check e-mail addresses against addresses of certificates being used must be disallowed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26702	DTOO320 - Outlook	SV-34110r1_rule		Medium

Description
This policy setting controls whether Outlook verifies the user's e-mail address with the address associated with the certificate used for signing.

STIG	Date
Microsoft Outlook 2010 STIG	2018-04-04

Details

Check Text ( C-34435r1_chk )
The policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Security -> Cryptography “Do not check e-mail address against address of certificates being used” must be set to “Enabled". Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\14.0\outlook\security Criteria: If the value SupressNameChecks is REG_DWORD = 1, this is not a finding.

Check Text ( C-34435r1_chk )

The policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Security -> Cryptography “Do not check e-mail address against address of certificates being used” must be set to “Enabled".

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

HKCU\Software\Policies\Microsoft\Office\14.0\outlook\security

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

Fix Text (F-30017r1_fix)
Set the policy value for User Configuration -> Administrative Templates -> Microsoft Outlook 2010 -> Security -> Cryptography “Do not check e-mail address against address of certificates being used” to “Enabled".