Ensure nosuid option set on /tmp partition

Cómo se verifica

Método de auditoría: Comando de shell

if ! findmnt -kn /tmp >/dev/null 2>&1; then echo compliant; elif findmnt -kn -o OPTIONS /tmp | tr ',' '\n' | grep -qx -- nosuid; then echo compliant; else echo '/tmp is mounted without nosuid'; fi

Salida esperada

compliant

Cómo se corrige

Método de corrección: Guía o parche de infraestructura

Edit the /etc/fstab file and add nosuid to the fourth field (mounting options) for the /tmp partition. See the fstab(5) manual page for more information. Run the following command to remount /tmp : # mount -o remount,nosuid /tmp or Edit /etc/systemd/system/local-fs.target.wants/tmp.mount to add nosuid to the /tmp mount options: [Mount] Options=mode=1777,strictatime,noexec,nodev,nosuid Run the following command to remount /tmp : # mount -o remount,nosuid /tmp

Verificar este host

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

tmaegis scan --target ros