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Code Issues Releases Activity

Fix vulnerabilità su upload file permessi in upload

This commit is contained in:
loviuz 2020-12-06 16:35:36 +01:00
parent ed82277647
commit 91279a5424
1 changed files with 12 additions and 112 deletions
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124
src/Uploads.php
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@ -24,117 +24,13 @@
*/ */
class Uploads class Uploads
{ {
/** @var array Elenco delle tipologie di file permesse */ /** @var array Elenco delle tipologie di file pericolose */
protected static $allowed_types = [ protected static $not_allowed_types = [
// Image formats 'php' => 'application/php',
'jpg' => 'image/jpeg', 'php5' => 'application/php',
'jpeg' => 'image/jpeg', 'phtml' => 'application/php',
'jpe' => 'image/jpeg',
'gif' => 'image/gif',
'png' => 'image/png',
'bmp' => 'image/bmp',
'tif' => 'image/tiff',
'tiff' => 'image/tiff',
'ico' => 'image/x-icon',
// Video formats
'asx' => 'video/asf',
'asf' => 'video/asf',
'wax' => 'video/asf',
'wmv' => 'video/asf',
'wmx' => 'video/asf',
'avi' => 'video/avi',
'divx' => 'video/divx',
'flv' => 'video/x-flv',
'mov' => 'video/quicktime',
'qt' => 'video/quicktime',
'mpg' => 'video/mpeg',
'mpeg' => 'video/mpeg',
'mpe' => 'video/mpeg',
'mp4' => 'video/mp4',
'm4v' => 'video/mp4',
'ogv' => 'video/ogg',
'mkv' => 'video/x-matroska',
// Text formats
'txt' => 'text/plain',
'csv' => 'text/csv',
'tsv' => 'text/tab-separated-values',
'ics' => 'text/calendar',
'rtx' => 'text/richtext',
'css' => 'text/css',
'htm' => 'text/html',
'html' => 'text/html', 'html' => 'text/html',
// Audio formats 'htm' => 'text/html',
'mp3' => 'audio/mpeg',
'm4a' => 'audio/mpeg',
'm4b' => 'audio/mpeg',
'mp' => 'audio/mpeg',
'ra' => 'audio/x-realaudio',
'ram' => 'audio/x-realaudio',
'wav' => 'audio/wav',
'ogg' => 'audio/ogg',
'oga' => 'audio/ogg',
'mid' => 'audio/midi',
'midi' => 'audio/midi',
'wma' => 'audio/wma',
'mka' => 'audio/x-matroska',
// Misc application formats
'rtf' => 'application/rtf',
'js' => 'application/javascript',
'pdf' => 'application/pdf',
'swf' => 'application/x-shockwave-flash',
'class' => 'application/java',
'tar' => 'application/x-tar',
'zip' => 'application/zip',
'gz' => 'application/x-gzip',
'gzip' => 'application/x-gzip',
'rar' => 'application/rar',
'7z' => 'application/x-7z-compressed',
// MS Office formats
'doc' => 'application/msword',
'pot' => 'application/vnd.ms-powerpoint',
'pps' => 'application/vnd.ms-powerpoint',
'ppt' => 'application/vnd.ms-powerpoint',
'wri' => 'application/vnd.ms-write',
'xla' => 'application/vnd.ms-excel',
'xls' => 'application/vnd.ms-excel',
'xlt' => 'application/vnd.ms-excel',
'xlw' => 'application/vnd.ms-excel',
'mdb' => 'application/vnd.ms-access',
'mpp' => 'application/vnd.ms-project',
'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
'onetoc' => 'application/onenote',
'onetoc2' => 'application/onenote',
'onetmp' => 'application/onenote',
'onepkg' => 'application/onenote',
// OpenOffice formats
'odt' => 'application/vnd.oasis.opendocument.text',
'odp' => 'application/vnd.oasis.opendocument.presentation',
'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
'odg' => 'application/vnd.oasis.opendocument.graphics',
'odc' => 'application/vnd.oasis.opendocument.chart',
'odb' => 'application/vnd.oasis.opendocument.database',
'odf' => 'application/vnd.oasis.opendocument.formula',
// WordPerfect formats
'wp' => 'application/wordperfect',
'wpd' => 'application/wordperfect',
]; ];
/** /**
@ -187,7 +83,11 @@ class Uploads
public static function getName($source, $data) public static function getName($source, $data)
{ {
$extension = strtolower(self::fileInfo($source)['extension']); $extension = strtolower(self::fileInfo($source)['extension']);
$ok = self::isSupportedType($extension); $allowed = self::isSupportedType($extension);
if (!$allowed) {
return false;
}
$directory = base_dir().'/'.self::getDirectory($data['id_module'], $data['id_plugin']); $directory = base_dir().'/'.self::getDirectory($data['id_module'], $data['id_plugin']);
@ -411,7 +311,7 @@ class Uploads
*/ */
protected static function isSupportedType($extension) protected static function isSupportedType($extension)
{ {
return in_array(strtolower($extension), array_keys(self::$allowed_types)); return !in_array(strtolower($extension), array_keys(self::$not_allowed_types));
} }
/** /**