STIGQter: STIG Summary: Tri-Lab Operating System Stack (TOSS) 4 Security Technical Implementation Guide Version: 2 Release: 6 Benchmark Date: 01 Jul 2026:

TOSS must restrict privilege elevation to authorized personnel.

DISA Rule

SV-253133r991589_rule

Vulnerability Number

V-253133

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-04-040920

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Remove the following entries from the sudoers file:
ALL ALL=(ALL) ALL
ALL ALL=(ALL:ALL) ALL

Check Contents

Verify the "sudoers" file restricts sudo access to authorized personnel.

$ sudo grep -iwr 'ALL[[:blank:]]\+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

Vulnerability Number

V-253133

Documentable

False

Rule Version

TOSS-04-040920

Severity Override Guidance

Verify the "sudoers" file restricts sudo access to authorized personnel.

$ sudo grep -iwr 'ALL[[:blank:]]\+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

Check Content Reference

M

Target Key

5469