Ensure SSH PermitEmptyPasswords is disabled

SedangLevel 1Otomatiscos

Deskripsi

The PermitEmptyPasswords parameter specifies if the SSH server allows login to accounts with empty password strings. Disallowing remote shell access to accounts that have an empty password reduces the probability of unauthorized access to the system

Cara pemeriksaan

Metode audit: Perintah shell

shell

alt0() { command -v grep >/dev/null 2>&1 || { echo "step1: grep not installed"; return 1; }; command -v sshd >/dev/null 2>&1 || { echo "step1: sshd not installed"; return 1; }; o=$(bash -c 'sshd -T | grep permitemptypasswords' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'PermitEmptyPasswords no' || { echo step1: missing 'PermitEmptyPasswords no'; return 1; }; }; if alt0; then echo compliant; fi

Output yang diharapkan: compliant

Cara perbaikan

Metode perbaikan: Panduan atau patch infrastruktur

Edit the /etc/ssh/sshd_config file to set the parameter as follows: PermitEmptyPasswords no

Properti

Sistem operasi: Apa saja
Tag: authcontainer-optimized-oscosssh
Referensi: CIS Google Container-Optimized OS Benchmark v1.2.0 - 5.1.11 Ensure SSH PermitEmptyPasswords is disabled

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shell

tmaegis scan --target cos