The /etc/gshadow file must not contain any group password hashes.

From Oracle Linux 5 Security Technical Implementation Guide

Associated with: CCI-000366

SV-62767r1_rule The /etc/gshadow file must not contain any group password hashes.

Vulnerability discussion

Group passwords are typically shared and should not be used.

Check content

Check the /etc/gshadow file for password hashes. # cut -d : -f 2 /etc/gshadow | egrep -v '^(x|!!)$' If any password hashes are returned, this is a finding.

Fix text

Edit /etc/gshadow and change the password field to an exclamation point (!) to lock the group password.

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