CVE-2022-40116 in Online Banking System
Summary
by MITRE • 09/24/2022
Online Banking System v1.0 was discovered to contain a SQL injection vulnerability via the search parameter at /net-banking/beneficiary.php.
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Analysis
by VulDB Data Team • 05/21/2025
The vulnerability identified as CVE-2022-40116 represents a critical security flaw in the Online Banking System version 1.0, specifically targeting the web application's input validation mechanisms. This SQL injection vulnerability exists within the beneficiary search functionality of the banking system's net-banking module, making it a significant concern for financial institutions and their customers. The flaw manifests through the search parameter in the beneficiary.php endpoint, which fails to properly sanitize user input before incorporating it into database queries. This oversight creates an exploitable entry point that allows malicious actors to manipulate the underlying database through crafted input sequences.
The technical nature of this vulnerability aligns with CWE-89, which defines SQL injection as a code injection technique that exploits vulnerabilities in applications using untrusted input in database queries. The attack vector specifically targets the /net-banking/beneficiary.php endpoint where the search parameter is processed without adequate input sanitization or parameterized query construction. When an attacker submits malicious SQL commands through the search field, the application's insufficient validation allows these commands to be executed directly against the backend database, potentially enabling unauthorized access to sensitive financial data including customer account information, transaction histories, and beneficiary details.
The operational impact of this vulnerability extends beyond simple data exposure, as it can facilitate comprehensive database compromise and unauthorized transaction processing within the banking system. Attackers could leverage this vulnerability to extract confidential customer information, modify beneficiary records, or potentially execute administrative commands on the database server. The consequences include potential financial fraud, identity theft, regulatory violations, and significant reputational damage to the financial institution. The vulnerability's location within the beneficiary search functionality means that any user with access to the net-banking portal could potentially exploit this weakness, making it particularly dangerous for systems with broad user access.
Mitigation strategies for this vulnerability should follow established security best practices and align with the ATT&CK framework's defense-in-depth principles. Organizations must implement proper input validation and parameterized queries to prevent SQL injection attacks, ensuring that all user inputs are properly escaped or parameterized before database execution. The remediation process should include immediate code review and patching of the beneficiary.php endpoint, implementation of web application firewalls, and comprehensive security testing including penetration testing and vulnerability scanning. Additionally, access controls should be strengthened around database resources, and regular security audits should be conducted to identify similar vulnerabilities in other application components. The implementation of proper error handling that does not expose database structure information to end users further reduces the attack surface and prevents information leakage that could aid attackers in exploiting similar vulnerabilities.