CVE-2025-2681

Remediation/Mitigation Strategy: SQL Injection Vulnerability in PHPGurukul Bank Locker Management System 1.0

This document outlines the vulnerability, its severity, known exploits, and a strategy for remediation and mitigation in PHPGurukul Bank Locker Management System 1.0.

1. Vulnerability Description:

  • Vulnerability: SQL Injection
  • Affected Software: PHPGurukul Bank Locker Management System 1.0
  • Affected File: /edit-locker.php
  • Affected Parameter: lockersize
  • Description: A SQL Injection vulnerability exists in the /edit-locker.php file of the PHPGurukul Bank Locker Management System 1.0. The lockersize parameter is vulnerable to SQL Injection, allowing an attacker to potentially execute arbitrary SQL queries on the database.
  • Attack Vector: Remote

2. Severity:

  • CVSS Score: 9.8 (Critical)
  • Impact:
    • Confidentiality: High - Attackers can potentially access sensitive data stored in the database, including user credentials, financial information, and other confidential data.
    • Integrity: High - Attackers can modify or delete data in the database, leading to data corruption and loss of integrity.
    • Availability: High - Attackers can potentially disrupt the availability of the application by causing database errors or performing a denial-of-service attack.

3. Known Exploit:

  • Publicly Disclosed: Yes. An exploit is publicly available and can be readily used to exploit the vulnerability. This significantly increases the risk of exploitation.

4. Remediation Strategy:

The primary goal is to eliminate the SQL Injection vulnerability to prevent unauthorized access, data modification, and system disruption.

  • Immediate Actions (Short-term Mitigation):

    • Input Validation: Implement strict input validation and sanitization for the lockersize parameter in /edit-locker.php. This includes:
      • Data Type Enforcement: Ensure that the lockersize parameter is an integer.
      • Whitelisting: If possible, define a set of allowed values or a range of values for lockersize and reject any input that falls outside of this range.
      • Blacklisting: While not recommended as the sole solution, blacklist common SQL injection keywords and characters such as ';, --, /*, */, UNION, SELECT, INSERT, UPDATE, DELETE, DROP, CREATE, ALTER, EXEC, etc.
    • Web Application Firewall (WAF): Deploy a Web Application Firewall (WAF) to detect and block SQL Injection attempts targeting the /edit-locker.php file. Configure the WAF with rules specifically designed to prevent SQL Injection attacks.
    • Disable Remote Access (If possible): If feasible, restrict access to the /edit-locker.php file to only authorized internal users.

  • Long-term Remediation (Code-level Fix):

    • Parameterized Queries (Prepared Statements): Replace the vulnerable code in /edit-locker.php with parameterized queries (prepared statements). Parameterized queries separate the SQL code from the data, preventing the database from interpreting user-supplied input as code. This is the most effective method for preventing SQL Injection.
    • Escaping Output: Ensure all data that is retrieved from the database is properly escaped before being displayed to the user. This will prevent stored XSS attacks if the injection has been successful in injecting code into the database.
    • Least Privilege Principle: Ensure the database user account used by the application has the minimum necessary privileges. Avoid using a database user account with administrative or root privileges.
    • Code Review: Conduct a thorough code review of the entire application to identify and remediate any other potential vulnerabilities, including other SQL Injection points and other types of web application vulnerabilities.

  • Testing and Validation:

    • Penetration Testing: Conduct a comprehensive penetration test after implementing the remediation steps to verify that the SQL Injection vulnerability has been successfully resolved and to identify any remaining security weaknesses.
    • Regression Testing: Perform regression testing to ensure that the changes made to fix the vulnerability have not introduced any new bugs or broken existing functionality.

5. Mitigation Strategy:

Even after remediation, it is important to have a mitigation strategy in place to minimize the impact of any future attacks.

  • Security Monitoring: Implement robust security monitoring to detect and respond to suspicious activity. Monitor database logs, web server logs, and network traffic for signs of SQL Injection attempts.
  • Intrusion Detection System (IDS): Deploy an Intrusion Detection System (IDS) to detect and alert on malicious activity targeting the application and database.
  • Incident Response Plan: Develop an incident response plan that outlines the steps to take in the event of a successful SQL Injection attack. This plan should include procedures for containing the attack, restoring data, and notifying affected parties.
  • Regular Security Audits: Conduct regular security audits of the application and infrastructure to identify and address any potential vulnerabilities.
  • Keep Software Up-to-Date: Apply security patches and updates to the operating system, web server, database server, and application framework as soon as they become available. Since this is version 1.0, it is unlikely there will be updates. This should be considered end-of-life software and replaced with a more secure system.

6. Communication:

  • Notify users of the potential vulnerability and the steps being taken to address it.
  • Communicate the remediation and mitigation strategy to relevant stakeholders, including developers, security personnel, and system administrators.

7. Timeline:

  • Immediate Actions: Implement within 24-48 hours.
  • Long-term Remediation: Complete within 1-2 weeks, depending on the complexity of the code and the availability of resources.
  • Testing and Validation: Conduct immediately after remediation is complete.
  • Ongoing Mitigation: Implement ongoing monitoring and security audits.

By implementing this remediation and mitigation strategy, the risk associated with the SQL Injection vulnerability in PHPGurukul Bank Locker Management System 1.0 can be significantly reduced, protecting sensitive data and ensuring the availability of the application. Replace this vulnerable system as soon as possible.

Assigner

Date

  • Published Date: 2025-03-24 04:15:14
  • Updated Date: 2025-03-24 17:37:02

More Details

CVE-2025-2681