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

The TOSS 5 /etc/shadow- file must have mode 0000 or less permissive to prevent unauthorized access.

DISA Rule

SV-282650r1200930_rule

Vulnerability Number

V-282650

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-05-000154

Severity

CAT II

CCI(s)

CCI-000366 - Implement the security configuration settings.

Weight

Fix Recommendation

Change the mode of the file "/etc/shadow-" to "0000" using the following command:

$ sudo chmod 0000 /etc/shadow-

Check Contents

Verify the "/etc/shadow-" file has mode "0000" using the following command:

$ sudo stat -c "%a %n" /etc/shadow-

0 /etc/shadow-

If a value of "0" is not returned, this is a finding.

Vulnerability Number

V-282650

Documentable

False

Rule Version

TOSS-05-000154

Severity Override Guidance

Verify the "/etc/shadow-" file has mode "0000" using the following command:

$ sudo stat -c "%a %n" /etc/shadow-

0 /etc/shadow-

If a value of "0" is not returned, this is a finding.

Check Content Reference

Target Key

5738