EUVD-2024-49198

Comprehensive Technical Analysis of EUVD-2024-49198

1. Vulnerability Assessment and Severity Evaluation

The vulnerability described in EUVD-2024-49198 is an SQL injection vulnerability affecting the user_id parameter in the /jobportal/admin/user/controller.php script. This vulnerability allows an attacker to send a specially crafted query to retrieve all information stored in the database.

Severity Evaluation:

• Base Score: 9.8 (Critical)
• Base Score Version: CVSS 3.1
• Base Score Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

The CVSS score of 9.8 indicates a critical vulnerability. The vector string breaks down as follows:

• Attack Vector (AV): Network (N)
• Attack Complexity (AC): Low (L)
• Privileges Required (PR): None (N)
• User Interaction (UI): None (N)
• Scope (S): Unchanged (U)
• Confidentiality (C): High (H)
• Integrity (I): High (H)
• Availability (A): High (H)

This high score reflects the significant risk posed by this vulnerability, as it can be exploited remotely with low complexity and without requiring any special privileges or user interaction.

2. Potential Attack Vectors and Exploitation Methods

Attack Vectors:

• Remote Exploitation: An attacker can exploit this vulnerability over the network by sending a specially crafted HTTP request to the vulnerable endpoint.
• Automated Tools: Attackers may use automated tools to scan for and exploit SQL injection vulnerabilities.

Exploitation Methods:

• SQL Injection: The attacker can inject malicious SQL code into the user_id parameter to manipulate the database queries.
• Data Exfiltration: By crafting specific SQL queries, the attacker can retrieve sensitive information such as user credentials, personal data, and other stored information.
• Database Manipulation: The attacker can potentially modify or delete database entries, leading to data integrity issues.

3. Affected Systems and Software Versions

Affected Product:

• Product Name: Job Portal
• Product Version: 1.0

Vendor:

• Vendor Name: PHPGurukul

All systems running Job Portal version 1.0 are vulnerable to this SQL injection attack.

4. Recommended Mitigation Strategies

Immediate Mitigation:

• Patching: Apply the latest security patches provided by the vendor.
• Input Validation: Implement strict input validation and sanitization for the user_id parameter to prevent malicious input.
• Parameterized Queries: Use parameterized queries or prepared statements to ensure that SQL code is not directly injected into the database.

Long-Term Mitigation:

• Regular Audits: Conduct regular security audits and code reviews to identify and fix similar vulnerabilities.
• Web Application Firewalls (WAF): Deploy WAFs to monitor and block malicious traffic targeting the vulnerable endpoint.
• Security Training: Provide security training for developers to understand and mitigate SQL injection vulnerabilities.

5. Impact on European Cybersecurity Landscape

The presence of this vulnerability in a widely used job portal software highlights the importance of robust security measures in web applications. Given the critical nature of the vulnerability, it poses a significant risk to the confidentiality, integrity, and availability of user data. Organizations using the affected software must prioritize patching and implementing security best practices to protect against potential data breaches and compliance violations.

6. Technical Details for Security Professionals

Vulnerability Details:

• Vulnerable Endpoint: /jobportal/admin/user/controller.php
• Vulnerable Parameter: user_id
• Exploitation Method: SQL injection through crafted SQL queries.

Example Exploit:

user_id=1' OR '1'='1

This query could bypass authentication or retrieve unauthorized data.

Mitigation Code Example:

// Using prepared statements in PHP
$stmt = $pdo->prepare("SELECT * FROM users WHERE user_id = :user_id");
$stmt->bindParam(':user_id', $user_id, PDO::PARAM_INT);
$stmt->execute();

References:

• INCIBE Notice

Aliases:

• CVE ID: CVE-2024-8465

Assigner:

• INCIBE (Spanish National Cybersecurity Institute)

By addressing this vulnerability promptly and comprehensively, organizations can significantly reduce the risk of data breaches and ensure the security of their web applications.