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Navigation to URLs embedded in Office products must be blocked.


Overview

Finding ID Version Rule ID IA Controls Severity
V-17183 DTOO123 SV-53853r1_rule Medium
Description
To protect users from attacks, Internet Explorer usually does not attempt to load malformed URLs. This functionality can be controlled separately for instances of Internet Explorer spawned by Office applications (for example, if a user clicks a link in an Office document or selects a menu option that loads a web page). If Internet Explorer attempts to load a malformed URL, a security risk could occur.
STIG Date
Microsoft Outlook 2013 STIG 2017-03-17

Details

Check Text ( C-47901r1_chk )
Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2013 (Machine) -> Security Settings -> IE Security "Navigate URL" is "Enabled" and a check in the 'outlook.exe' check box is present.

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

HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_VALIDATE_NAVIGATE_URL

Criteria: If the value outlook.exe is REG_DWORD = 1, this is not a finding.
Fix Text (F-46757r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2013 (Machine) -> Security Settings -> IE Security "Navigate URL" to "Enabled" and place a check in the 'outlook.exe' check box.