The User Authentication – Logon is not set properly for the Restricted Sites Zone.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-6311	DTBI136	SV-25641r1_rule	ECSC-1	Medium

Description
Care must be taken with user credentials and how automatic logons are performed and how default Windows credentials are passed to web sites.

STIG	Date
Internet Explorer 8 STIG	2015-12-17

Details

Check Text ( C-27127r1_chk )
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Logon options" will be set to “Enabled” and "Anonymous logon". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: If the value 1A00 is REG_DWORD = 196608 (decimal), this is not a finding.

Check Text ( C-27127r1_chk )

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Logon options" will be set to “Enabled” and "Anonymous logon". Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: If the value 1A00 is REG_DWORD = 196608 (decimal), this is not a finding.

Fix Text (F-23223r1_fix)
The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Logon options" will be set to “Enabled” and "Anonymous logon". Change the registry key HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: Set the value 1A00 to REG_DWORD = 196608 (decimal).

Fix Text (F-23223r1_fix)

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Internet Control Panel -> Security Page -> Restricted Sites Zone -> "Logon options" will be set to “Enabled” and "Anonymous logon". Change the registry key HKLM\Software\Policies\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\4 Criteria: Set the value 1A00 to REG_DWORD = 196608 (decimal).