STIGQter STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide Version: 1 Release: 1 Benchmark Date: 26 Mar 2026:

TOSS 5 must not allow blank or null passwords.

DISA Rule

SV-282737r1201191_rule

Vulnerability Number

V-282737

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-05-000331

Severity

CAT I

CCI(s)

Weight

10

Fix Recommendation

Remove any instances of the "nullok" option in the "/etc/pam.d/password-auth" and "/etc/pam.d/system-auth" files to prevent logons with empty passwords.

Note: Manual changes to the listed file may be overwritten by the "authselect" program.

Check Contents

Verify null passwords cannot be used by running the following command:

$ sudo grep -i nullok /etc/pam.d/system-auth /etc/pam.d/password-auth

If an output is produced, this is a finding.

Vulnerability Number

V-282737

Documentable

False

Rule Version

TOSS-05-000331

Severity Override Guidance

Verify null passwords cannot be used by running the following command:

$ sudo grep -i nullok /etc/pam.d/system-auth /etc/pam.d/password-auth

If an output is produced, this is a finding.

Check Content Reference

M

Target Key

5738