6.2.1 Ensure password fields are not empty (Scored) [SecScan]

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======6.2.1 Ensure password fields are not empty (Scored)======
=====Profile Applicability=====  
<code>
Level 1 - Server
Level 1 - Workstation 
</code>

=====Description=====
An account with an empty password field means that anybody may log in as that user without providing a password.

=====Rationale=====
All accounts must have passwords or be locked to prevent the account from being used by an unauthorized user.

=====Audit===== 
Run the following command and verify that no output is returned:
<Code:bash>
# cat /etc/shadow | awk -F: '($2 == "" ) { print $1 " does not have a password "}'
</Code>

=====Remediation=====
If any accounts in the ''/etc/shadow'' file do not have a password, run the following command to lock the account until it can be determined why it does not have a password:
<Code:bash>
# passwd -l <username>
</Code>
Also, check to see if the account is logged in and investigate what it is being used for to determine if it needs to be forced off.