Ensure access to /etc/shadow is configured

MediaNivel 1Automatizadalinux

Descripción

The /etc/shadow file is used to store the information about user accounts that is critical to the security of those accounts, such as the hashed password and other security information.

Cómo se verifica

Método de auditoría: Comando de shell

shell

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

Salida esperada: compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Run the following commands to set mode, owner, and group on /etc/shadow: # chown root:root /etc/shadow # chmod 0000 /etc/shadow

Propiedades

Sistemas operativos: rhel-10
Etiquetas: cis-convertedlinux
Referencia: CIS Red Hat Enterprise Linux 10 Benchmark v1.0.1 - 7.1.5

Verificar este host

Ejecute esto en un equipo que tenga permiso para auditar. El escaneo es de solo lectura.

shell

tmaegis scan --target linux