EUVD-2024-49732

Comprehensive Technical Analysis of EUVD-2024-49732

1. Vulnerability Assessment and Severity Evaluation

The vulnerability in the UltimateAI plugin for WordPress, identified as EUVD-2024-49732 (CVE-2024-9105), is classified as an authentication bypass issue. This vulnerability allows unauthenticated attackers to log in as any existing user on the site, including administrators, if they have access to the user's email. The severity of this vulnerability is rated with a CVSS Base Score of 9.8, which is considered critical.

CVSS Base Score Vector Breakdown:

• AV:N (Network Vector): The vulnerability is exploitable over the network.
• AC:L (Low Complexity): The attack requires low skill or resources.
• PR:N (No Privileges Required): No privileges are needed to exploit the vulnerability.
• UI:N (No User Interaction): No user interaction is required.
• S:U (Unchanged): The scope of the vulnerability does not change.
• C:H (High Confidentiality Impact): Complete loss of confidentiality.
• I:H (High Integrity Impact): Complete loss of integrity.
• A:H (High Availability Impact): Complete loss of availability.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Email Enumeration: Attackers can enumerate valid email addresses through various means, such as social engineering, phishing, or scraping publicly available information.
• Direct Exploitation: Once an attacker has a valid email address, they can exploit the vulnerability in the ultimate_ai_register_or_login_with_google function to log in as the user associated with that email.

Exploitation Methods:

• Automated Scripts: Attackers can use automated scripts to test common email patterns or brute-force email addresses.
• Phishing Campaigns: Attackers can launch phishing campaigns to trick users into revealing their email addresses.
• Public Data Mining: Attackers can mine public data sources, such as social media profiles or data breaches, to obtain valid email addresses.

3. Affected Systems and Software Versions

Affected Software:

• UltimateAI plugin for WordPress

Affected Versions:

• All versions up to and including 2.8.3

Vendor:

• Tophive

4. Recommended Mitigation Strategies

Immediate Actions:

• Update the Plugin: Immediately update the UltimateAI plugin to a version higher than 2.8.3 if available.
• Disable the Plugin: If an update is not available, consider disabling the plugin until a patch is released.
• Implement Additional Authentication: Add multi-factor authentication (MFA) to mitigate the risk of unauthorized access.

Long-Term Strategies:

• Regular Audits: Conduct regular security audits of all plugins and third-party integrations.
• User Education: Educate users about the risks of phishing and the importance of not sharing sensitive information.
• Monitoring and Logging: Implement robust monitoring and logging to detect and respond to suspicious activities.

5. Impact on European Cybersecurity Landscape

The vulnerability poses a significant risk to the European cybersecurity landscape, particularly for organizations and individuals using the UltimateAI plugin. The potential for unauthorized access to administrative accounts can lead to data breaches, unauthorized modifications, and service disruptions. This underscores the importance of timely patch management and the need for robust cybersecurity practices across the EU.

6. Technical Details for Security Professionals

Vulnerable Function:

• ultimate_ai_register_or_login_with_google

Insufficient Verification:

• The vulnerability arises from insufficient verification of the user being supplied in the function. This allows an attacker to bypass authentication mechanisms by providing a valid email address.

Detection and Response:

• Log Analysis: Review login attempt logs for unusual patterns or repeated attempts from unknown IP addresses.
• Intrusion Detection Systems (IDS): Implement IDS to detect and alert on suspicious login activities.
• Patch Management: Ensure that all plugins and software are regularly updated and patched.

References:

• Wordfence Threat Intelligence
• UltimateAI Plugin on CodeCanyon

By addressing this vulnerability promptly and implementing robust security measures, organizations can significantly reduce the risk of unauthorized access and potential data breaches.