SLEM 5 must not allow unattended or automatic logon via SSH.

Overview

Finding ID	Version	Rule ID	IA Controls	Severity
V-261330	SLEM-05-255025	SV-261330r996457_rule	CCI-000366	high
Description
Failure to restrict system access via SSH to authenticated users negatively impacts SLEM 5 security.
STIG			Date
SUSE Linux Enterprise Micro (SLEM) 5 Security Technical Implementation Guide			2025-05-08

Related Frameworks

4 paths across 3 frameworks

NIST 800-531 mapping

CM-6

1.00

DISA · 1 · disa_xccdf · related
DISA · 2025-01-23 · disa_cci_list · equivalent

NIST 800-1712 mappings

3.4.1

1.00

DISA · 1 · disa_xccdf · related
DISA · 2025-01-23 · disa_cci_list · equivalent
NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent

3.4.2

1.00

DISA · 1 · disa_xccdf · related
DISA · 2025-01-23 · disa_cci_list · equivalent
NIST · Rev 2 (Feb 2020, errata Jan 2021) · nist_800_171_app_d · equivalent

CCI1 mapping

CCI-000366

1.00

DISA · 1 · disa_xccdf · related

Details

Check Text (C-261330r996457_chk)

Verify SLEM 5 disables unattended or automatic logon via SSH with the following command: > sudo /usr/sbin/sshd -dd 2>&1 | awk '/filename/ {print $4}' | tr -d '\r' | tr '\n' ' ' | xargs sudo grep -iEH '^\s*(permit(.*?)(passwords|environment))' /etc/ssh/sshd_config:PermitEmptyPasswords no /etc/ssh/sshd_config:PermitUserEnvironment no If "PermitEmptyPasswords" or "PermitUserEnvironment" keywords are not set to "no", are commented out, or are missing completely, this is a finding.

Fix Text (F-64967r995856_fix)

Configure SLEM 5 disables unattended or automatic logon via SSH. Add or modify the following lines in the "/etc/ssh/sshd_config" file: PermitEmptyPasswords no PermitUserEnvironment no