CVE-2025-3176: Online Lawyer Management System SQLi Flaw

CVE-2025-3176 Overview

A critical SQL injection vulnerability has been identified in Project Worlds Online Lawyer Management System version 1.0. The vulnerability exists in the /single_lawyer.php file where the u_id parameter is not properly sanitized before being used in SQL queries. This allows remote unauthenticated attackers to inject malicious SQL statements, potentially leading to unauthorized data access, modification, or deletion of database contents.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to extract sensitive data from the database, modify records, or potentially gain further access to the underlying system without authentication.

Affected Products

• Project Worlds Online Lawyer Management System 1.0
• Yugesh Verma Online Lawyer Management System 1.0

Discovery Timeline

• 2025-04-03 - CVE-2025-3176 published to NVD
• 2025-05-15 - Last updated in NVD database

Technical Details for CVE-2025-3176

Vulnerability Analysis

This vulnerability stems from improper input validation in the /single_lawyer.php endpoint. When processing requests, the application directly incorporates user-supplied input from the u_id parameter into SQL queries without adequate sanitization or parameterized query implementation. This classic SQL injection flaw enables attackers to manipulate the query structure by injecting malicious SQL code through the vulnerable parameter.

The vulnerability is network-accessible, requiring no authentication or user interaction for exploitation. The exploit has been publicly disclosed, increasing the risk of active exploitation in the wild. Organizations using this legal management software should treat this as a high-priority security issue despite the medium severity rating, as SQL injection vulnerabilities can lead to complete database compromise.

Root Cause

The root cause of this vulnerability is the failure to implement proper input validation and parameterized queries (prepared statements) when handling the u_id parameter in /single_lawyer.php. The application appears to construct SQL queries through string concatenation, directly embedding user-controlled input into the query string. This violates secure coding practices and falls under CWE-89 (Improper Neutralization of Special Elements used in an SQL Command) and CWE-74 (Improper Neutralization of Special Elements in Output Used by a Downstream Component).

Attack Vector

The attack can be initiated remotely over the network by sending crafted HTTP requests to the vulnerable endpoint. An attacker would target the /single_lawyer.php file and inject SQL payloads through the u_id parameter. Since no authentication is required, any remote attacker with network access to the application can attempt exploitation.

The exploitation technique typically involves appending SQL metacharacters and commands to the u_id parameter value. For example, an attacker might use UNION-based injection to extract data from other database tables, or use boolean-based blind injection to enumerate database contents character by character. For detailed technical information about this vulnerability, refer to the GitHub CVE Issue Discussion and VulDB entry.

Detection Methods for CVE-2025-3176

Indicators of Compromise

• Unusual or malformed requests to /single_lawyer.php containing SQL syntax in the u_id parameter
• Web server logs showing requests with SQL keywords such as UNION, SELECT, OR 1=1, or single quote characters in URL parameters
• Database query logs revealing syntax errors or unexpected query patterns originating from the application
• Unexpected database access patterns or data exfiltration indicators

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block SQL injection patterns in requests to /single_lawyer.php
• Implement application-level logging to capture all requests with potentially malicious input patterns
• Configure database audit logging to identify anomalous queries or unauthorized data access attempts
• Use intrusion detection systems (IDS) with signatures for common SQL injection attack patterns

Monitoring Recommendations

• Monitor web server access logs for repeated requests to /single_lawyer.php with varying u_id parameter values
• Set up alerts for database errors that may indicate SQL injection attempts
• Implement real-time monitoring for unusual database query patterns or data access volumes
• Track network traffic for potential data exfiltration following successful exploitation

How to Mitigate CVE-2025-3176

Immediate Actions Required

• Restrict network access to the vulnerable /single_lawyer.php endpoint through firewall rules or web server configuration
• Deploy WAF rules specifically targeting SQL injection patterns in the u_id parameter
• Consider temporarily disabling the affected functionality until a proper fix is implemented
• Review web server and database logs for signs of prior exploitation

Patch Information

As of the last update on 2025-05-15, no official vendor patch has been released for this vulnerability. The software maintainer (Yugesh Verma/Project Worlds) should be contacted for remediation guidance. Organizations are advised to monitor the VulDB entry and GitHub discussion for updates on available fixes.

Workarounds

• Implement input validation at the web server level using URL rewrite rules to block malicious characters in the u_id parameter
• Deploy a reverse proxy with SQL injection filtering capabilities in front of the application
• Implement prepared statements with parameterized queries in the PHP code if source code access is available
• Apply network segmentation to limit database access only from trusted application servers

# Example Apache mod_rewrite rule to block SQL injection attempts
# Add to .htaccess or Apache configuration
RewriteEngine On
RewriteCond %{QUERY_STRING} u_id=.*['";\-\-] [NC,OR]
RewriteCond %{QUERY_STRING} u_id=.*(union|select|insert|drop|update|delete) [NC]
RewriteRule .* - [F,L]