Do not permit download of content from safe zones

Do not permit download of content from safe zones - Outlook

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-17470	DTOO272 - Outlook	SV-35249r4_rule	ECSC-1	Medium

Description
By default, Outlook 2007 automatically downloads content from sites that are considered "safe," as defined in the Security tab of the Internet Options dialog box in Internet Explorer. This configuration could allow users to inadvertently download Web beacons that reveal their identity to spammers and other malicious people.

STIG	Date
Microsoft Outlook 2007	2015-09-17

Details

Check Text ( C-18805r7_chk )
The intent of this check is to allow content from Safe Zones automatically. In order to allow for content from Safe Zones automatically, the setting for "Do not permit download of content from safe zones" must be set to "Disabled". All other content will be blocked. In addition, the resulting registry key for "UnblockSafeZone" will be true, or a REG_DWORD value of "1", meaning Safe Zone content will be unblocked. Set the policy value for User Configuration >> Administrative Templates >> Microsoft Office Outlook 2007 >> Security >> Automatic Picture Download Settings “Do not permit download of content from safe zones” to “Disabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKCU\Software\Policies\Microsoft\Office\12.0\Outlook\Options\Mail Criteria: If the value UnblockSafeZone is REG_DWORD = 1, this is not a finding.

Check Text ( C-18805r7_chk )

The intent of this check is to allow content from Safe Zones automatically. In order to allow for content from Safe Zones automatically, the setting for "Do not permit download of content from safe zones" must be set to "Disabled". All other content will be blocked.

In addition, the resulting registry key for "UnblockSafeZone" will be true, or a REG_DWORD value of "1", meaning Safe Zone content will be unblocked.

Set the policy value for User Configuration >> Administrative Templates >> Microsoft Office Outlook 2007 >> Security >> Automatic Picture Download Settings “Do not permit download of content from safe zones” to “Disabled”.

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

HKCU\Software\Policies\Microsoft\Office\12.0\Outlook\Options\Mail

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

Fix Text (F-17398r4_fix)
Set the policy value for User Configuration >> Administrative Templates >> Microsoft Office Outlook 2007 >> Security >> Automatic Picture Download Settings “Do not permit download of content from safe zones” will be set to “Disabled”.