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 require reauthentication when using the sudo command.

DISA Rule

SV-282734r1201182_rule

Vulnerability Number

V-282734

Group Title

SRG-OS-000480-GPOS-00227

Rule Version

TOSS-05-000325

Severity

CAT II

CCI(s)

• CCI-000366 - Implement the security configuration settings.

Weight

10

Fix Recommendation

Configure TOSS 5 to reauthenticate "sudo" commands after the specified timeout.

Add the following line to "/etc/sudoers":

Defaults timestamp_timeout=0

Check Contents

Verify TOSS 5 requires reauthentication when using the "sudo" command to elevate privileges using the following command:

$ sudo grep -ir 'timestamp_timeout' /etc/sudoers /etc/sudoers.d/*

/etc/sudoers:Defaults timestamp_timeout=0

If results are returned from more than one file location, this is a finding.

If "timestamp_timeout" is set to a negative number, is commented out, or no results are returned, this is a finding.

Vulnerability Number

V-282734

Documentable

False

Rule Version

TOSS-05-000325

Severity Override Guidance

Verify TOSS 5 requires reauthentication when using the "sudo" command to elevate privileges using the following command:

$ sudo grep -ir 'timestamp_timeout' /etc/sudoers /etc/sudoers.d/*

/etc/sudoers:Defaults timestamp_timeout=0

If results are returned from more than one file location, this is a finding.

If "timestamp_timeout" is set to a negative number, is commented out, or no results are returned, this is a finding.

Check Content Reference

M

Target Key

5738