There is an RPC procedure within the MSDTC interface in msdtcprx.dll that may be called remotely without user credentials in such a way that triggers a denial of service in the Microsoft Distributed Transaction Coordinator (MSDTC) service.
You can download this advisory from the following link: https://packetstormsecurity.com/files/download/46399/msdtcndrallocate.txt
Source: https://packetstormsecurity.com/files/46399/msdtcndrallocate.txt.html