It is possible the crash the process by sending two sequential request
to zip file option by authenticated users.
The output of debugger:
(6e4.c4c): C++ EH exception - code e06d7363 (first chance) ( After
first request )
eax=026a6b80 ebx=00000001 ecx=00000004 edx=00000000 esi=00000001 edi=00000000
eip=7c90e514 esp=014ce1cc ebp=014ce1dc iopl=0 nv up ei ng nz na pe nc
cs=001b ss=0023 ds=0023 es=0023 fs=003b gs=0000 efl=00000286
ntdll!KiFastSystemCallRet:
7c90e514 c3 ret
Impact
-=====
Process crashed and the all services down.