Ensure root is the only UID 0 account

MittelStufe 1Automatisiertcos

Beschreibung

Any account with UID 0 has superuser privileges on the system. This access must be limited to only the default root account and only from the system console. Administrative access must be through an unprivileged account using an approved mechanism as noted in Item 5.6 Ensure access to the su command is restricted.

So wird geprüft

Prüfmethode: Shell-Befehl

shell

alt0() { command -v awk >/dev/null 2>&1 || { echo "step1: awk not installed"; return 1; }; o=$(bash -c 'awk -F: '"'"'($3 == 0) { print $1 }'"'"' /etc/passwd' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- root || { echo step1: missing root; return 1; }; }; if alt0; then echo compliant; fi

Erwartete Ausgabe: compliant

So wird behoben

Behebungsmethode: Anleitung oder Infrastruktur-Patch

Remove any users other than root with UID 0 or assign them a new UID if appropriate.

Eigenschaften

Betriebssysteme: Beliebig
Tags: container-optimized-oscos
Referenz: CIS Google Container-Optimized OS Benchmark v1.2.0 - 6.2.5 Ensure root is the only UID 0 account

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shell

tmaegis scan --target cos