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The macOS system must disable password authentication for SSH.

Overview

Finding IDVersionRule IDIA ControlsSeverity
V-259477APPL-14-001150SV-259477r1009591_ruleCCI-000186high
Description
If remote logon through SSH is enabled, password-based authentication must be disabled for user logon. All users must go through multifactor authentication to prevent unauthenticated access and potential compromise to the system. Note: /etc/ssh/sshd_config will be automatically modified to its original state following any update or major upgrade to the operating system. Satisfies: SRG-OS-000067-GPOS-00035,SRG-OS-000105-GPOS-00052,SRG-OS-000106-GPOS-00053,SRG-OS-000107-GPOS-00054,SRG-OS-000108-GPOS-00055,SRG-OS-000112-GPOS-00057,SRG-OS-000125-GPOS-00065,SRG-OS-000375-GPOS-00160
STIGDate
Apple macOS 14 (Sonoma) Security Technical Implementation Guide2024-12-04

Related Frameworks

9 mappings across 5 frameworks
SCF0 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (12) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

IAC-02.2Replay-Resistant Authentication
1.00
IAC-10.2PKI-Based Authentication
1.00
IAC-06Multi-Factor Authentication (MFA)
0.50
IAC-06.1Network Access to Privileged Accounts
0.50
IAC-06.2Network Access to Non-Privileged Accounts
0.50
IAC-06.3Local Access to Privileged Accounts
0.50
IAC-06.4Out-of-Band Multi-Factor Authentication
0.50
IAC-10.7Hardware Token-Based Authentication
0.50
MNT-05Remote Maintenance
0.50
MNT-05.1Auditing Remote Maintenance
0.50

+2 more (top 10 by confidence shown)

NIST 800-530 mappings

No source states a mapping between these directly.

Also reachable in 2 hops (89) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

AC-10Concurrent Session Control
1.00
AC-11Device Lock
1.00
AC-11(1)Pattern-hiding Displays
1.00
AC-12Session Termination
1.00
AC-17(1)Monitoring and Control
1.00
AC-17(10)Authenticate Remote Commands
1.00
AC-17(2)Protection of Confidentiality and Integrity Using Encryption
1.00
AC-2(1)Automated System Account Management
1.00
AC-2(10)Shared and Group Account Credential Change
1.00
AC-2(11)Usage Conditions
1.00

+79 more (top 10 by confidence shown)

NIST 800-1710 mappings

No source states a mapping between these directly.

Also reachable in 3 hops (3) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

3.5.3
1.00
3.5.4
1.00
3.7.5
1.00
CCI9 mappings
CCI-000186
1.00
CCI-000765
1.00
CCI-000766
1.00
CCI-000767
1.00
CCI-000768
1.00
CCI-000877
1.00
CCI-001941
1.00
CCI-001948
1.00
CCI-004046
1.00
NIST CSF 2.00 mappings

No source states a mapping between these directly.

Also reachable in 4 hops (1) derived by us, not asserted by any source

Each of these is a route we composed by chaining published mappings. No publisher states a relationship between the two endpoints.

PR.AA-04
1.00

Details

Check Text (C-259477r1009591_chk)

Verify the macOS system is configured to disable password authentication for SSH with the following command: /usr/sbin/sshd -G | /usr/bin/grep -Ec '^(passwordauthentication\s+no|kbdinteractiveauthentication\s+no)' If the result is not "2", this is a finding.

Fix Text (F-63124r941052_fix)

Configure the macOS system to disable password authentication for SSH with the following command: include_dir=$(/usr/bin/awk '/^Include/ {print $2}' /etc/ssh/sshd_config | /usr/bin/tr -d '*') if [[ -z $include_dir ]]; then /usr/bin/sed -i.bk "1s/.*/Include \/etc\/ssh\/sshd_config.d\/\*/" /etc/ssh/sshd_config fi echo "passwordauthentication no" >> "${include_dir}01-mscp-sshd.conf" echo "kbdinteractiveauthentication no" >> "${include_dir}01-mscp-sshd.conf" for file in $(ls ${include_dir}); do if [[ "$file" == "100-macos.conf" ]]; then continue fi if [[ "$file" == "01-mscp-sshd.conf" ]]; then break fi /bin/mv ${include_dir}${file} ${include_dir}20-${file} done