Title

Internet Explorer Processes Restrict ActiveX Install (Reserved) property is properly set. (Cat II impact)

Discussion

This policy setting enables blocking of ActiveX control installation prompts for Internet Explorer processes. If you do not configure this policy setting, the user’s preference will be used to determine whether to block ActiveX control installations for Internet Explorer processes.

Check Content

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Security Features -> Restrict ActiveX Install -> “Internet Explorer Processes” will be set to “Enabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_ACTIVEXINSTALL Criteria: If the value (Reserved) is REG_SZ = 1, this is not a finding.

Fix Text

The policy value for Computer Configuration -> Administrative Templates -> Windows Components -> Internet Explorer -> Security Features -> Restrict ActiveX Install -> “Internet Explorer Processes” will be set to “Enabled”. Procedure: Use the Windows Registry Editor to navigate to the following key: HKLM\Software\Policies\Microsoft\Internet Explorer\Main\FeatureControl\FEATURE_RESTRICT_ACTIVEXINSTALL Criteria: Set the value (Reserved) to REG_SZ = 1.

Additional Identifiers

Rule ID: SV-44647r1_rule

Vulnerability ID: V-22171

Group Title:

Expert Comments

CCIs tied to check.

Controls tied to check. These are derived from the CCIs shown above.