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

From SOLARIS 10 X86 SECURITY TECHNICAL IMPLEMENTATION GUIDE

Associated with IA controls: ECLP-1

Associated with: CCI-000225

SV-26447r1_rule The /etc/group file must not contain any group password hashes.

Vulnerability discussion

Group passwords are typically shared and should not be used. Additionally, if password hashes are readable by non-administrators, the passwords are subject to attack through lookup tables or cryptographic weaknesses in the hashes.

Check content

Check the /etc/group file for password hashes. Procedure: # cut -d : -f 2 /etc/group | egrep -v '^(x|!)$' If any password hashes are returned, this is a finding. If no password hashes are returned, there is no finding.

Fix text

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

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