TMA-AIX-4.6.3.13

Ensure sshd PermitEmptyPasswords is disabled

KritikDüzey 1Otomatikaix

Açıklama

The recommendation is to edit the /etc/ssh/sshd_config file to ensure that the SSH daemon does not authenticate users with a null password. If password authentication is used and an account has an empty password, the SSH server must be configured to disallow access to the account. Permitting empty passwords could create an easy path of access for hackers to enter the system. Audit: evaluates the effective configuration from `sshd -T` (Match blocks must be reviewed separately).

Nasıl denetlenir

Denetim yöntemi: Kabuk komutu

shell

command -v sshd >/dev/null 2>&1 || exit 1; out=$(sshd -T 2>/dev/null) || exit 1; r=compliant; for p in '^permitemptypasswords[[:blank:]]+no$'; do printf '%s\n' "$out" | grep -Eiq -- "$p" || r="not matched: $p"; done; echo "$r"

Beklenen çıktı: compliant

Nasıl düzeltilir

Düzeltme yöntemi: Kılavuz veya altyapı yaması

Edit the /etc/ssh/sshd_config file to disable the acceptance null passwords: vi /etc/ssh/sshd_config Replace: #PermitEmptyPasswords no With: PermitEmptyPasswords no Re-cycle the sshd daemon to pick up the configuration changes: stopsrc -s sshd startsrc -s sshd

Özellikler

İşletim sistemleri: Herhangi biri
Etiketler: aixssh
Referans: CIS IBM AIX 7 Benchmark v1.2.0 - 4.6.3.13 Ensure sshd PermitEmptyPasswords is disabled

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shell

tmaegis scan --target aix