CVE-2024-35658: WooCommerce Checkout Field Editor Traversal

CVE-2024-35658 Overview

Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal') vulnerability in ThemeHigh Checkout Field Editor for WooCommerce (Pro) allows Functionality Misuse, File Manipulation. This issue affects Checkout Field Editor for WooCommerce (Pro) from unlisted versions through 3.6.2.

Critical Impact

This vulnerability allows remote attackers to manipulate file paths leading to unauthorized file deletions, potentially impacting the integrity and availability of the web server.

Affected Products

• ThemeHigh Checkout Field Editor for WooCommerce

Discovery Timeline

• 2024-06-10T16:15:15.280 - CVE CVE-2024-35658 published to NVD
• 2024-11-21T09:20:35.813 - Last updated in NVD database

Technical Details for CVE-2024-35658

Vulnerability Analysis

The CVE-2024-35658 vulnerability arises from an improper restriction in pathname handling within the Checkout Field Editor for WooCommerce (Pro). This allows attackers to exploit path traversal sequences through a crafted URL, potentially leading to arbitrary file deletions on the server.

Root Cause

The root cause of the vulnerability is the lack of proper sanitization and validation of file paths in user inputs, allowing for path traversal attacks.

Attack Vector

Attackers can exploit this vulnerability remotely over the network by sending specially crafted requests containing path traversal sequences that manipulate file locations.

// Example exploitation code (sanitized)
include_once('/var/www/woocommerce_checkout/');
$file = $_GET['file'];
$filepath = "uploads/" . $file;

Detection Methods for CVE-2024-35658

Indicators of Compromise

• Unfamiliar files appearing in server directories
• Unauthorized deletion of files
• Suspicious paths in server logs

Detection Strategies

Monitoring for URL requests containing unusual patterns such as ../ or attempts to access sensitive directories can help in detecting potential exploitation attempts.

Monitoring Recommendations

Utilize web application firewalls (WAF) to detect and block malicious requests. Enable detailed logging for access and error logs to capture potential malicious activity.

How to Mitigate CVE-2024-35658

Immediate Actions Required

• Update the Checkout Field Editor for WooCommerce to the latest version
• Restrict access to directories where files should not be directly accessible
• Implement input validation to sanitize user inputs completely

Patch Information

ThemeHigh has provided an updated version of the plugin, fixing the path traversal vulnerability. Users are encouraged to upgrade to the latest version immediately.

Workarounds

Consider applying stringent access controls to directories and utilizing a WAF to temporarily mitigate exploitation risks if updating immediately is not feasible.

# Configuration example
find /var/www -type d -exec chmod 755 {} \;
find /var/www -type f -exec chmod 644 {} \;