CVE-2022-0962: Upload file vulnerability · star7th/showdoc@3caa323

@@ -54,10 +54,10 @@ public function deleteFile($file_id){ }
//上传文件，返回url public function upload($_files , $file_key , $uid , $item_id = 0 , $page_id = 0 ){ public function upload($_files , $file_key , $uid , $item_id = 0 , $page_id = 0 , $check_filename = true ){ $uploadFile = $_files[$file_key] ;
if( !$this->isAllowedFilename($_files[$file_key][‘name’]) ){ if( $check_filename && !$this->isAllowedFilename($_files[$file_key][‘name’]) ){ return false; }
@@ -324,14 +324,12 @@ public function isDangerFilename($filename){ public function isAllowedFilename($filename){ $allow_array = array( '.jpg’,’.jpeg’,’.png’,’.bmp’,’.gif’,’.ico’,’.webp’, '.mp3’,’.wav’,’.mp4’, '.mov’,’.webmv’,’.flac’,’.mkv’, '.mp3’,’.wav’,’.mp4’,’.mov’,’.flac’,’.mkv’, '.zip’,’.tar’,’.gz’,’.tgz’,’.ipa’,’.apk’,’.rar’,’.iso’, '.pdf’,’.ofd’,’.swf’,’.epub’,’.xps’, '.doc’,’.docx’,’.wps’, '.pdf’,’.epub’,’.xps’,’.doc’,’.docx’,’.wps’, '.ppt’,’.pptx’,’.xls’,’.xlsx’,’.txt’,’.psd’,’.csv’, ‘.cer’,’.ppt’,’.pub’,’.json’,’.css’, ) ; ) ;
$ext = strtolower(substr($filename,strripos($filename,’.’)) ); //获取文件扩展名（转为小写后） if(in_array( $ext , $allow_array ) ){