CVE-2025-1894: Restaurant Table Booking System SQLi Flaw

CVE-2025-1894 Overview

A critical SQL Injection vulnerability has been identified in PHPGurukul Restaurant Table Booking System version 1.0. The vulnerability exists in the /search-result.php file where the searchdata parameter is not properly sanitized before being used in SQL queries. This allows remote attackers to inject malicious SQL commands through manipulated input, potentially leading to unauthorized data access, modification, or deletion. The exploit has been publicly disclosed, increasing the risk of active exploitation in the wild.

Critical Impact

Remote attackers can exploit this SQL injection vulnerability to extract sensitive database contents, modify or delete records, and potentially compromise the entire application database without authentication.

Affected Products

• PHPGurukul Restaurant Table Booking System 1.0
• Web applications using the vulnerable /search-result.php component
• Installations with the unpatched searchdata parameter handling

Discovery Timeline

• 2025-03-04 - CVE-2025-1894 published to NVD
• 2025-03-05 - Last updated in NVD database

Technical Details for CVE-2025-1894

Vulnerability Analysis

This SQL Injection vulnerability stems from improper input validation in the search functionality of the PHPGurukul Restaurant Table Booking System. The application fails to sanitize user-supplied input in the searchdata parameter before incorporating it into SQL queries executed against the backend database. This classic injection flaw allows attackers to break out of the intended query structure and execute arbitrary SQL commands.

The vulnerability is network-exploitable, meaning any attacker with remote access to the web application can attempt exploitation. No authentication is required to reach the vulnerable endpoint, significantly lowering the barrier to exploitation. The impact includes potential unauthorized read access to database contents, modification of existing records, and possible deletion of data stored in the application's database.

Root Cause

The root cause of this vulnerability is the lack of proper input sanitization and parameterized query usage in the /search-result.php file. The searchdata parameter value is directly concatenated into SQL queries without escaping special characters or using prepared statements. This violates secure coding practices for database interactions and allows malicious SQL syntax to be interpreted as part of the query structure rather than as data.

Attack Vector

The attack can be launched remotely over the network by sending crafted HTTP requests to the /search-result.php endpoint. An attacker manipulates the searchdata parameter to include SQL injection payloads that alter the query logic. Common attack techniques include:

The vulnerability allows for various SQL injection techniques including UNION-based injection to extract data from other tables, boolean-based blind injection to enumerate database contents character by character, and time-based blind injection when response-based detection is not possible. Attackers can leverage these methods to extract sensitive information such as user credentials, customer booking data, and administrative details stored in the database.

Detection Methods for CVE-2025-1894

Indicators of Compromise

• Unusual or malformed HTTP requests to /search-result.php containing SQL syntax characters such as single quotes, double dashes, or UNION keywords
• Database error messages appearing in application logs or responses indicating SQL syntax errors
• Unexpected database queries in database logs with commands like SELECT, UNION, or administrative SQL statements
• Anomalous patterns in the searchdata parameter values including encoded SQL keywords

Detection Strategies

• Implement Web Application Firewall (WAF) rules to detect and block common SQL injection patterns targeting the searchdata parameter
• Enable detailed logging for the /search-result.php endpoint and monitor for suspicious request patterns
• Deploy database activity monitoring to detect unusual query patterns or unauthorized data access attempts
• Utilize intrusion detection systems with signatures for SQL injection attack patterns

Monitoring Recommendations

• Monitor web server access logs for requests to /search-result.php with unusually long or encoded parameter values
• Set up alerts for database errors indicating potential injection attempts in application logs
• Track and investigate any sudden increases in database query volume or unusual query execution patterns
• Implement real-time monitoring of the vulnerable endpoint for exploitation attempts

How to Mitigate CVE-2025-1894

Immediate Actions Required

• Restrict or disable access to the /search-result.php endpoint until a patch is applied
• Implement Web Application Firewall rules to filter SQL injection attempts targeting the searchdata parameter
• Review and audit database permissions to limit potential damage from successful exploitation
• Enable database logging to capture and review all queries for forensic analysis

Patch Information

As of the last NVD update on 2025-03-05, no official vendor patch has been released for this vulnerability. Administrators should monitor the PHP Gurukul Security Resources for security updates. Technical details about the vulnerability are tracked in the GitHub CVE Issue Tracker and additional information is available via VulDB #298412.

Workarounds

• Implement input validation on the searchdata parameter to allow only alphanumeric characters and expected search terms
• Modify the vulnerable code to use parameterized queries or prepared statements instead of direct string concatenation
• Deploy a reverse proxy or WAF in front of the application to filter malicious requests before they reach the vulnerable endpoint
• Consider temporarily disabling the search functionality if it is not critical to business operations until a proper fix is implemented

# Configuration example - Apache mod_rewrite rule to block suspicious requests
# Add to .htaccess in the web root directory
RewriteEngine On
RewriteCond %{QUERY_STRING} (union|select|insert|update|delete|drop|--) [NC]
RewriteRule ^search-result\.php$ - [F,L]