Detections
Analytics

1.55 AZLX-23-001235

Information

Amazon Linux 2023 SSHD must not allow blank passwords.

GROUP ID: V-274048RULE ID: SV-274048r1120132

If an account has an empty password, anyone could log on and run commands with the privileges of that account. Accounts with empty passwords must never be used in operational environments.

Satisfies: SRG-OS-000106-GPOS-00053, SRG-OS-000480-GPOS-00229

Solution

Configure Amazon Linux 2023 to prevent SSH users from logging on with blank passwords.

Edit the following line in "etc/ssh/sshd_config" or in a file in "/etc/ssh/sshd_config.d":

PermitEmptyPasswords no

Restart the SSH daemon for the settings to take effect:

$ sudo systemctl restart sshd.service

See Also

https://workbench.cisecurity.org/benchmarks/26107

Item Details

Category: CONFIGURATION MANAGEMENT, IDENTIFICATION AND AUTHENTICATION

References: 800-53|CM-6b., 800-53|IA-2(2), CAT|II, CCI|CCI-000366, CCI|CCI-000766, Rule-ID|SV-274048r1120132_rule, STIG-ID|AZLX-23-001235, Vuln-ID|V-274048

Plugin: Unix

Control ID: 5e78c50a1d561e444da6b93f9404cd6061b1a10daf6b6df564264916ebccaea5