Empty UDP packet DoS in Samba AD DC nbtd

Description The NetBIOS over TCP/IP name resolution protocol is implemented as a UDP datagram on port 137. The AD DC client and server-side processing code for NBT name resolution will enter a tight loop if a UDP packet with 0 data length is received. The client for this case is only found in the...

NULL pointer de-reference in Samba AD DC DNS servers

Description During the processing of an DNS zone in the DNS management DCE/RPC server, the internal DNS server or the Samba DLZ plugin for BIND9, if the DSPROPERTYZONEMASTERSERVERS property or DSPROPERTYZONESCAVENGINGSERVERS property is set, the server will follow a NULL pointer and terminate...