N.Y. Gen. Oblig. Law § 7-107

(d) The grantee or assignee of the leased premises shall have the
right to demand that the grantor or assignor thereof establish an escrow
account equal to one month's rent for any leased premises for which
there is no record of a security deposit pursuant to paragraph (b) of
this subdivision to be used for the purpose of holding harmless the
grantee or assignee in any case where, at a date subsequent to the
closing or other transfer of title, the tenant gives notice pursuant to
paragraph (c) of this subdivision.

(e) The liability of a receiver for payment of any security deposit
plus accrued interest pursuant to this subdivision shall be limited to
the amount of such deposit actually turned over to them or it pursuant
to subdivision one of section 7-105 of this title and to the operating
income in excess of expenses generated during their or its period of
receivership.

10. Any agreement by a lessee or tenant of a dwelling waiving or
modifying their rights as set forth in this section shall be absolutely
void.