Add-on Management functionality must be allowed.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-26584	DTOO126	SV-53681r1_rule	ECSC-1	Medium

Description
Internet Explorer add-ons are pieces of code, run in Internet Explorer, to provide additional functionality. Rogue add-ons may contain viruses or other malicious code. Disabling or not configuring this setting could allow malicious code or users to become active on user computers or the network. For example, a malicious user can monitor and then use keystrokes users type into Internet Explorer. Even legitimate add-ons may demand resources, compromising the performance of Internet Explorer, and the operating systems for user computers.

Description

Internet Explorer add-ons are pieces of code, run in Internet Explorer, to provide additional functionality. Rogue add-ons may contain viruses or other malicious code. Disabling or not configuring this setting could allow malicious code or users to become active on user computers or the network. For example, a malicious user can monitor and then use keystrokes users type into Internet Explorer. Even legitimate add-ons may demand resources, compromising the performance of Internet Explorer, and the operating systems for user computers.

STIG	Date
Microsoft Excel 2013 STIG	2014-04-03

Details

Check Text ( C-47804r1_chk )
Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2013 (Machine) -> Security Settings -> IE Security "Add-on Management" is set to Enabled" and 'excel.exe' is checked. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_ADDON_MANAGEMENT Criteria: If the value excel.exe is REG_DWORD = 1, this is not a finding.

Check Text ( C-47804r1_chk )

Verify the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2013 (Machine) -> Security Settings -> IE Security "Add-on Management" is set to Enabled" and 'excel.exe' is checked.

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

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

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

Fix Text (F-46606r1_fix)
Set the policy value for Computer Configuration -> Administrative Templates -> Microsoft Office 2013 (Machine) -> Security Settings -> IE Security "Add-on Management" to "Enabled" and 'excel.exe' is checked.