Ensure permissions on /etc/master.passwd are configured

MediaNivel 1Automatizadafreebsd

Descripción

The /etc/master.passwd 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. If attackers can gain read access to the /etc/master.passwd file, they can easily run a password cracking program against the hashed password to break it. Audit: /etc/master.passwd must be mode 0000 and owned by root:wheel, as stated by CIS.

Cómo se verifica

Método de auditoría: Comando de shell

shell

r=compliant; for f in /etc/master.passwd; do if [ -e "$f" ]; then set -- $(ls -ld "$f"); s=$(printf '%s %s %s\n' "$1" "$3" "$4" | awk -v m='---------' -v o='root' -v g='wheel' '{ok=1; for(i=1;i<=9;i++) if(substr(m,i,1)=="-" && substr($1,i+1,1)!="-") ok=0; if(o!="" && $2 !~ ("^(" o ")$")) ok=0; if(g!="" && $3 !~ ("^(" g ")$")) ok=0; print (ok ? "ok" : $0)}'); [ "$s" = ok ] || r="$f: $s"; else r="$f: missing"; fi; done; echo "$r"

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/master.passwd: # chown root:wheel /etc/master.passwd # chmod 0000 /etc/master.passwd

Propiedades

Sistemas operativos: Cualquiera
Etiquetas: freebsdpermissions
Referencia: CIS FreeBSD 14 Benchmark v1.0.1 - 6.1.3 Ensure permissions on /etc/master.passwd are configured

Verificar este host

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

shell

tmaegis scan --target freebsd