Ensure permissions on /etc/issue are configured

MoyenneNiveau 1Automatiséecos

Description

The contents of the /etc/issue file are displayed to users prior to login for local terminals. If the /etc/issue file does not have the correct ownership it could be modified by unauthorized users with incorrect or misleading information.

Méthode de vérification

Méthode d'audit: Commande shell

shell

alt0() { command -v stat >/dev/null 2>&1 || { echo "step1: stat not installed"; return 1; }; o=$(bash -c 'stat /etc/issue' 2>&1); printf '%s\n' "$o" | tr -s ' \t' '  ' | sed 's/^ //;s/ $//' | grep -Fxq -- 'Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)' || { echo step1: missing 'Access: (0644/-rw-r--r--) Uid: ( 0/ root) Gid: ( 0/ root)'; return 1; }; }; if alt0; then echo compliant; fi

Sortie attendue: compliant

Méthode de correction

Méthode de correction: Recommandation ou correctif d'infrastructure

Run the following commands to set permissions on /etc/issue : # chown root:root /etc/issue # chmod 644 /etc/issue /etc is stateless on Container-Optimized OS. Therefore, the steps mentioned above needs to be performed after every boot.

Propriétés

Systèmes d'exploitation: Tous
Étiquettes: access-controlcontainer-optimized-oscos
Référence: CIS Google Container-Optimized OS Benchmark v1.2.0 - 1.5.1.5 Ensure permissions on /etc/issue are configured

Vérifier cet hôte

Exécutez cette commande sur une machine que vous êtes autorisé à auditer. L'analyse est en lecture seule.

shell

tmaegis scan --target cos