The Network File System (NFS) export configuration file must be group-owned by root, bin, sys, or system.

From Red Hat Enterprise Linux 5 Security Technical Implementation Guide

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-37940r1_rule The Network File System (NFS) export configuration file must be group-owned by root, bin, sys, or system.

Vulnerability discussion

Failure to give group-ownership of the NFS export configuration file to root or a system group provides the designated group-owner and possible unauthorized users with the potential to change system configuration which could weaken the system's security posture.

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Fix text

Change the group ownership of the NFS export configuration file. Procedure: # chgrp root /etc/exports

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