shell bypass 403
#!/bin/bash
if [[ -x /usr/libexec/installkernel/installkernel ]] ; then
exec /usr/libexec/installkernel/installkernel "${@}"
elif [[ -x /usr/libexec/installkernel/installkernel-bls ]] ; then
exec /usr/libexec/installkernel/installkernel-bls "${@}"
fi
echo "installkernel is not installed correctly." >>/dev/stderr
exit 1