CVE-2025-4152: PHPGurukul Birth Certificate SQL Injection

CVE-2025-4152 Overview

A critical SQL injection vulnerability has been discovered in PHPGurukul Online Birth Certificate System version 1.0. The vulnerability exists in the administrative reporting functionality, specifically within the /admin/bwdates-reports-details.php file. By manipulating the fromdate parameter, attackers can inject malicious SQL queries to compromise the underlying database. This vulnerability is remotely exploitable without authentication, and public exploit information has been disclosed. Additional parameters in the affected file may also be vulnerable to similar injection attacks.

Critical Impact

Unauthenticated remote attackers can exploit this SQL injection vulnerability to extract sensitive birth certificate records, modify database contents, or potentially gain further access to the system through database-level privileges.

Affected Products

• PHPGurukul Online Birth Certificate System 1.0
• phpgurukul:online_birth_certificate_system component

Discovery Timeline

• 2025-05-01 - CVE-2025-4152 published to NVD
• 2025-05-07 - Last updated in NVD database

Technical Details for CVE-2025-4152

Vulnerability Analysis

This vulnerability is classified as SQL Injection (CWE-89) and more broadly as an Injection flaw (CWE-74). The affected component is the administrative birth certificate reporting module at /admin/bwdates-reports-details.php. The application fails to properly sanitize user-supplied input in the fromdate parameter before incorporating it into SQL queries.

The vulnerability is network-accessible, meaning attackers can exploit it remotely through standard HTTP requests. No authentication is required to trigger the vulnerability, and no user interaction is necessary, making automated exploitation feasible. The exploit has been publicly disclosed, increasing the risk of widespread attacks against unpatched systems.

Root Cause

The root cause of this vulnerability is improper input validation and the lack of parameterized queries in the affected PHP file. When processing date range filters for birth certificate reports, the application directly concatenates user-supplied fromdate parameter values into SQL query strings without proper sanitization or the use of prepared statements. This allows attackers to break out of the intended query structure and execute arbitrary SQL commands.

Attack Vector

The attack is conducted remotely over the network by sending specially crafted HTTP requests to the vulnerable endpoint. An attacker targets the /admin/bwdates-reports-details.php file and manipulates the fromdate parameter to inject malicious SQL syntax. The injection can be used to extract sensitive data such as birth certificate details, personal information, and administrative credentials. Depending on database permissions, attackers may also modify or delete records, or leverage database-specific features to escalate the attack.

Since the exploit has been publicly disclosed (see the GitHub CVE Issue Discussion and VulDB entry #306684), attackers have access to detailed information about exploiting this vulnerability. The CVE description also notes that other parameters in the same file may be similarly vulnerable.

Detection Methods for CVE-2025-4152

Indicators of Compromise

• Unusual SQL error messages in application logs referencing /admin/bwdates-reports-details.php
• Suspicious HTTP requests to the affected endpoint containing SQL syntax characters such as single quotes, double dashes, or UNION keywords in the fromdate parameter
• Database query logs showing unexpected queries or extraction of large amounts of birth certificate data
• Evidence of time-based delays or error-based responses that indicate SQL injection probing

Detection Strategies

• Deploy Web Application Firewall (WAF) rules to detect and block SQL injection patterns in request parameters targeting the administrative reporting pages
• Implement application-level logging to capture all requests to /admin/bwdates-reports-details.php and similar administrative endpoints
• Configure database activity monitoring to alert on anomalous query patterns, including UNION-based injection attempts and large data extractions
• Use intrusion detection systems (IDS) to identify known SQL injection attack signatures in network traffic

Monitoring Recommendations

• Monitor access logs for the /admin/ directory, particularly the bwdates-reports-details.php file, for abnormal request patterns
• Set up alerts for database errors that may indicate SQL injection attempts, such as syntax errors or unauthorized access attempts
• Review authentication logs for any unauthorized access to administrative functions following potential exploitation

How to Mitigate CVE-2025-4152

Immediate Actions Required

• Restrict access to the /admin/ directory using network-level controls or IP whitelisting until patches are applied
• Implement input validation on the fromdate parameter to accept only properly formatted date values
• Deploy WAF rules specifically targeting SQL injection patterns in date parameters
• If feasible, temporarily disable or restrict access to the affected reporting functionality

Patch Information

At the time of this writing, no official vendor patch has been identified for CVE-2025-4152. System administrators should monitor the PHP Gurukul website for security updates. Additionally, the VulDB entry and GitHub issue may provide updated information as remediation becomes available.

Workarounds

• Apply input sanitization by modifying the affected PHP file to use prepared statements with parameterized queries instead of string concatenation
• Implement a Web Application Firewall to filter malicious SQL injection attempts before they reach the application
• Restrict database user privileges used by the application to minimize potential damage from successful exploitation
• Consider taking the vulnerable reporting feature offline until a proper fix is implemented

# Configuration example - Apache .htaccess to restrict admin access by IP
<Directory "/var/www/html/admin">
    Order Deny,Allow
    Deny from all
    Allow from 192.168.1.0/24
    Allow from 10.0.0.0/8
</Directory>