Title

Standard user accounts must only have Read permissions to the Active Setup\Installed Components registry key. (Cat I impact)

Discussion

Permissions on the Active Setup\Installed Components registry key must only allow privileged accounts to add or change registry values. If standard user accounts have this capability there is a potential for programs to run with elevated privileges when a privileged user logs on to the system.

Check Content

Run "Regedit". Navigate to the following registry keys and review the permissions: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\ HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\ (64-bit systems) If the default permissions listed below have been changed, this is a finding. Users - Read Administrators - Full Control SYSTEM - Full Control CREATOR OWNER - Special (Special = Full Control - Subkeys only)

Fix Text

Maintain the default permissions of the following registry keys: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Active Setup\Installed Components\ HKEY_LOCAL_MACHINE\SOFTWARE\Wow6432Node\Microsoft\Active Setup\Installed Components\ (64-bit systems only) Users - Read Administrators - Full Control SYSTEM - Full Control CREATOR OWNER - Special (Special = Full Control - Subkeys only)

Additional Identifiers

Rule ID: SV-42618r2_rule

Vulnerability ID: V-32282

Group Title: WINRG-000001 Active Setup\Installed Components Registry Permissions

Expert Comments

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