Ensure SSH IgnoreRhosts is enabled

SedangLevel 1Otomatiscos

Deskripsi

The IgnoreRhosts parameter specifies that .rhosts and .shosts files will not be used in RhostsRSAAuthentication or HostbasedAuthentication. Setting this parameter forces users to enter a password when authenticating with ssh.

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=$(bash -c 'sshd -T | grep ignorerhosts' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'IgnoreRhosts yes' || { echo step1: missing 'IgnoreRhosts yes'; 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: IgnoreRhosts yes

Properti

Sistem operasi: Apa saja
Tag: container-optimized-oscosssh
Referensi: CIS Google Container-Optimized OS Benchmark v1.2.0 - 5.1.8 Ensure SSH IgnoreRhosts is enabled

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shell

tmaegis scan --target cos