CVE-2024-0182: Engineers Online Portal SQLi Vulnerability

CVE-2024-0182 Overview

A critical SQL Injection vulnerability has been identified in SourceCodester Engineers Online Portal version 1.0. This vulnerability exists in the Admin Login component, specifically within the /admin/ endpoint, where improper handling of the username and password parameters allows attackers to inject malicious SQL statements. The flaw enables remote attackers to bypass authentication mechanisms, extract sensitive database information, and potentially gain unauthorized administrative access to the application.

Critical Impact

Unauthenticated remote attackers can exploit this SQL injection vulnerability to bypass authentication, access or modify sensitive database contents, and potentially compromise the entire application and underlying server.

Affected Products

• Janobe Engineers Online Portal 1.0
• SourceCodester Engineers Online Portal 1.0

Discovery Timeline

• 2024-01-01 - CVE-2024-0182 published to NVD
• 2024-11-21 - Last updated in NVD database

Technical Details for CVE-2024-0182

Vulnerability Analysis

The vulnerability resides in the Admin Login functionality of the Engineers Online Portal application. When processing login requests, the application fails to properly sanitize user-supplied input in the username and password form fields before incorporating them into SQL queries. This classic SQL injection pattern allows attackers to manipulate the authentication query logic, potentially bypassing login requirements entirely or extracting data from the database.

The vulnerability is classified under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), which represents one of the most common and dangerous web application security flaws. Because the vulnerable endpoint is the administrative login page, successful exploitation grants immediate access to privileged functionality within the application.

Root Cause

The root cause of this vulnerability is insufficient input validation and the use of unsanitized user input in SQL query construction. The application directly concatenates user-provided username and password values into SQL statements without proper parameterization or escaping. This allows specially crafted input containing SQL metacharacters to alter the intended query logic, enabling authentication bypass or data extraction attacks.

Attack Vector

The attack can be launched remotely over the network without requiring any prior authentication or user interaction. An attacker can target the /admin/ login endpoint and submit malicious payloads through the username or password form fields. Common exploitation techniques include:

• Authentication Bypass: Injecting payloads like ' OR '1'='1 to force the query to return a valid result regardless of the actual credentials
• Union-Based Extraction: Using UNION SELECT statements to retrieve data from other database tables
• Error-Based Enumeration: Triggering database errors to reveal schema information and extract data character by character
• Time-Based Blind Injection: Using conditional time delays to infer information when direct output is not available

The vulnerability can be exploited using common SQL injection tools and techniques. For detailed technical information, refer to the VulDB advisory.

Detection Methods for CVE-2024-0182

Indicators of Compromise

• Unusual login attempts to /admin/ endpoint containing SQL metacharacters (', ", --, ;, OR, UNION)
• Database error messages in application logs referencing syntax errors or unexpected query results
• Abnormal database query patterns or increased query execution times
• Unauthorized administrative access or new admin accounts appearing in the system

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block common SQL injection patterns in HTTP POST parameters
• Implement application-level logging for all authentication attempts, capturing full request parameters for forensic analysis
• Configure database audit logging to detect anomalous query patterns or unauthorized data access
• Monitor for authentication success events that do not correspond to legitimate user login activity

Monitoring Recommendations

• Enable detailed access logging on web servers for the /admin/ endpoint and review logs regularly
• Set up alerts for multiple failed login attempts followed by a successful authentication from the same source
• Monitor database connection pools for unusual activity patterns or connection spikes
• Implement intrusion detection system (IDS) signatures specific to SQL injection attack patterns

How to Mitigate CVE-2024-0182

Immediate Actions Required

• Restrict access to the /admin/ endpoint using IP allowlisting or VPN requirements to limit exposure
• Implement a Web Application Firewall (WAF) with SQL injection protection enabled
• Consider taking the Engineers Online Portal admin interface offline until a patch is applied or the code is remediated
• Review database and application logs for any evidence of prior exploitation

Patch Information

At the time of publication, no official patch has been released by the vendor. Organizations using SourceCodester Engineers Online Portal 1.0 should contact the vendor for remediation guidance or consider migrating to an alternative solution. For additional details, consult the VulDB entry.

Workarounds

• Implement prepared statements or parameterized queries in the login functionality if source code modifications are possible
• Deploy network-level access controls to restrict administrative interface access to trusted IP addresses only
• Use a reverse proxy or WAF to filter malicious SQL injection payloads before they reach the application
• Disable or remove the vulnerable admin login component if it is not required for operations

If source code access is available, ensure all database queries use parameterized statements:

// Secure parameterized query example
$stmt = $pdo->prepare("SELECT * FROM users WHERE username = ? AND password = ?");
$stmt->execute([$username, $hashed_password]);