EUVD-2024-44005

Comprehensive Technical Analysis of EUVD-2024-44005

1. Vulnerability Assessment and Severity Evaluation

Vulnerability Description: The CoDesigner WooCommerce Builder for Elementor plugin for WordPress is vulnerable to PHP Object Injection due to the deserialization of untrusted input from the recently_viewed_products cookie. This vulnerability affects all versions up to and including 4.4.1.

Severity Evaluation:

• Base Score: 9.0 (CVSS 3.1)
• Vector String: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

The high base score indicates a critical vulnerability. The attack complexity (AC:H) is high, but the impact on confidentiality, integrity, and availability (C:H/I:H/A:H) is severe. The attack vector (AV:N) is network-based, and no user interaction (UI:N) or privileges (PR:N) are required. The scope change (S:C) indicates that the vulnerability can affect components beyond the initial security scope.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Unauthenticated Attackers: The vulnerability can be exploited by unauthenticated attackers, making it a significant risk.
• Deserialization of Untrusted Input: The attacker can manipulate the recently_viewed_products cookie to inject malicious PHP objects.

Exploitation Methods:

• PHP Object Injection: By injecting a PHP object, an attacker can potentially execute arbitrary code if a Property-Oriented Programming (POP) chain is present.
• POP Chain Exploitation: Although no known POP chain exists in the vulnerable plugin, the presence of such a chain in another installed plugin or theme could lead to file deletion, data retrieval, or code execution.

3. Affected Systems and Software Versions

Affected Software:

• Plugin: CoDesigner WooCommerce Builder for Elementor
• Versions: All versions up to and including 4.4.1

Affected Systems:

• WordPress Sites: Any WordPress site using the affected versions of the CoDesigner plugin.
• E-commerce Sites: Particularly those using WooCommerce, as the plugin is designed for WooCommerce integration.

4. Recommended Mitigation Strategies

Immediate Actions:

• Update the Plugin: Ensure that the CoDesigner plugin is updated to a version higher than 4.4.1.
• Disable the Plugin: If an update is not immediately available, consider disabling the plugin until a fix is released.

Long-Term Mitigation:

• Regular Updates: Implement a regular update schedule for all plugins and themes.
• Input Validation: Ensure that all input, including cookies, is properly validated and sanitized.
• Security Plugins: Use security plugins like Wordfence to monitor and protect against vulnerabilities.
• Code Review: Conduct thorough code reviews to identify and mitigate similar vulnerabilities in other plugins and themes.

5. Impact on European Cybersecurity Landscape

Impact Assessment:

• Widespread Use: Given the popularity of WordPress and WooCommerce, this vulnerability could affect a large number of e-commerce sites in Europe.
• Data Breaches: The potential for data retrieval and arbitrary code execution poses a significant risk of data breaches and financial loss.
• Compliance Issues: Non-compliance with GDPR due to data breaches could result in legal and financial penalties.

Regulatory Considerations:

• GDPR Compliance: Ensure that all personal data is protected and that any breaches are reported within the required timeframe.
• Incident Response: Have a robust incident response plan in place to quickly address and mitigate any security incidents.

6. Technical Details for Security Professionals

Technical Analysis:

• Deserialization Vulnerability: The core issue is the deserialization of untrusted input from the recently_viewed_products cookie. This allows an attacker to inject a PHP object, which can be exploited if a POP chain is present.
• POP Chain: Although no POP chain is known in the vulnerable plugin, the presence of such a chain in other installed plugins or themes can lead to severe exploitation.

Detection and Monitoring:

• Log Analysis: Monitor logs for unusual activity related to the recently_viewed_products cookie.
• Intrusion Detection: Implement intrusion detection systems (IDS) to detect and alert on suspicious activities.
• Code Audits: Regularly audit the codebase for similar vulnerabilities and ensure proper input validation and sanitization.

Conclusion: The vulnerability in the CoDesigner WooCommerce Builder for Elementor plugin is critical and requires immediate attention. Updating the plugin, implementing robust security measures, and conducting regular code reviews are essential steps to mitigate the risk. The potential impact on European e-commerce sites underscores the importance of proactive cybersecurity practices.

References:

• Wordfence Threat Intel
• WordPress Plugin Changeset