ACLs for system files and directories do not conform to minimum requirements.

From Windows 2008 Domain Controller Security Technical Implementation Guide

Associated with IA controls: ECCD-2, ECCD-1

SV-29507r1_rule ACLs for system files and directories do not conform to minimum requirements.

Vulnerability discussion

Failure to properly configure file and directory permissions (ACLs) allows the possibility of unauthorized and anonymous modification to the operating system and installed applications.

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Fix text

Maintain the default file ACLs, configure the Security Option: “Network access: Let everyone permissions apply to anonymous users” to “Disabled” (V-3377) and restrict the Power Users group to include no members.

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