Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide

The Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide (V1 R2) has 391 STIG checks. New to STIG checklists? Read What is a STIG checklist?, CKL vs CKLB, and STIG vs SCAP benchmark.

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Severity

Version

V1 · R2

CurrentPublished Wed Sep 30 2026

TOSS 5 must restrict privilege elevation to authorized personnel.

Tri-Lab Operating System Stack (TOSS) 5 Security Technical Implementation Guide

Assessment Title

Rule Text

TOSS 5 must restrict privilege elevation to authorized personnel.

Description

Discussion Text

If the "sudoers" file is not configured correctly, any user defined on the system can initiate privileged actions on the target system.

New to STIG checklists? Read What is a STIG checklist? and CKL vs CKLB.

Objective

V-282736

Rule

SV-282736r1201188_rule

Severity

medium

Rule Version

TOSS-05-000328

Documentable

false

IA Controls

NIST SP 800-53

Rev 5

Assessment Procedure

Check Text

Verify TOSS 5 restricts privilege elevation to authorized personnel using the following command:

$ sudo sh -c 'grep -iw ALL /etc/sudoers /etc/sudoers.d/*'

If the either of the following entries are returned, this is a finding:

ALL     ALL=(ALL) ALL
ALL     ALL=(ALL:ALL) ALL

Implementation Procedure

Fix Text

Remove the following entries from the /etc/sudoers file or configuration file under /etc/sudoers.d/:

ALL     ALL=(ALL) ALL
ALL     ALL=(ALL:ALL) ALL

STIG check 362 of 391 in the Tri-Lab Operating System Stack (TOSS) 5 STIG checklist

← Previous · V-282735TOSS 5 must require users to reauthenticate for privilege escalation.Next · V-282737 →TOSS 5 must not allow blank or null passwords.