CVE-2022-25494 in Online Banking System
Summary
by MITRE • 03/15/2022
Online Banking System v1.0 was discovered to contain a SQL injection vulnerability via staff_login.php.
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Analysis
by VulDB Data Team • 03/18/2022
The vulnerability identified as CVE-2022-25494 represents a critical SQL injection flaw within the Online Banking System version 1.0, specifically affecting the staff_login.php component. This vulnerability arises from inadequate input validation and sanitization practices within the authentication mechanism, creating an exploitable entry point for malicious actors seeking unauthorized access to banking systems. The flaw exists in the way user credentials are processed and validated, allowing attackers to manipulate database queries through crafted input parameters.
This SQL injection vulnerability falls under CWE-89, which categorizes improper neutralization of special elements used in SQL commands as a fundamental weakness in application security. The attack vector specifically targets the staff_login.php file, which serves as the primary interface for banking staff authentication. When legitimate users submit login credentials, the application fails to properly escape or parameterize input values before incorporating them into SQL query structures. This oversight enables attackers to inject malicious SQL code that can manipulate the database query execution flow.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can potentially lead to complete system compromise and data breaches. Attackers exploiting this flaw can retrieve sensitive information including staff credentials, customer data, transaction records, and potentially gain elevated privileges within the banking system. The vulnerability creates a persistent threat vector that can be leveraged for both initial access and lateral movement within the network infrastructure. According to ATT&CK framework, this represents a technique categorized under T1190 - Exploit Public-Facing Application, where adversaries target vulnerabilities in externally accessible systems to establish footholds.
Mitigation strategies should include immediate implementation of proper input validation and parameterized queries throughout the application codebase. The development team must ensure all user inputs are properly sanitized and escaped before database interaction occurs. Additionally, implementing web application firewalls, input filtering mechanisms, and regular security code reviews can significantly reduce the risk of exploitation. Database access controls should be strengthened through principle of least privilege implementation, ensuring that application accounts have minimal necessary permissions. Regular penetration testing and vulnerability assessments should be conducted to identify similar weaknesses in other components of the banking system. The remediation process must also include comprehensive security training for development teams to prevent recurrence of such vulnerabilities in future releases.