The default permissions of Global system objects will be increased.

From Windows Server 2008 R2 Member Server Security Technical Implementation Guide

Part of Global System Objects Permission Strength

Associated with IA controls: ECSC-1

SV-32312r1_rule The default permissions of Global system objects will be increased.

Vulnerability discussion

Windows system maintains a global list of shared system resources such as DOS device names, mutexes, and semaphores. Each type of object is created with a default DACL that specifies who can access the objects with what permissions. If this policy is enabled, the default DACL is stronger, allowing non-admin users to read shared objects, but not modify shared objects that they did not create.

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Configure the policy value for Computer Configuration -> Windows Settings -> Security Settings -> Local Policies -> Security Options -> “System Objects: Strengthen default permissions of internal system objects (e.g. Symbolic links)” to “Enabled”.

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