CVE-2022-2667 in Loan Management System
Summary
by MITRE • 08/05/2022
A vulnerability was found in SourceCodester Loan Management System and classified as critical. This issue affects some unknown processing of the file delete_lplan.php. The manipulation of the argument lplan_id leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The associated identifier of this vulnerability is VDB-205619.
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Analysis
by VulDB Data Team • 11/27/2024
The CVE-2022-2667 vulnerability represents a critical sql injection flaw within the SourceCodester Loan Management System, demonstrating a fundamental weakness in input validation and database interaction processes. This vulnerability specifically targets the delete_lplan.php file, which serves as a critical component for loan plan deletion functionality within the system. The flaw emerges from improper handling of the lplan_id parameter, which flows directly into database queries without adequate sanitization or parameterization measures, creating an exploitable pathway for malicious actors to manipulate the underlying database operations through crafted input values.
The technical execution of this vulnerability follows a classic sql injection attack pattern where the attacker can manipulate the lplan_id argument to inject malicious sql code into the database query execution context. This allows for unauthorized data access, modification, or deletion of loan plan records within the system. The vulnerability's remote exploitation capability means that attackers do not require physical access to the system or network, enabling them to target the vulnerable application from external networks. The public disclosure of the exploit code further amplifies the threat level, as it provides attackers with readily available tools to leverage this weakness without requiring advanced technical skills or extensive reconnaissance.
The operational impact of this vulnerability extends beyond simple data corruption or unauthorized access, potentially compromising the entire loan management system infrastructure. Attackers could extract sensitive customer loan information, manipulate existing loan records, or even delete critical data structures that would severely impact the system's functionality and business operations. The vulnerability's classification as critical indicates that successful exploitation could lead to complete system compromise, data breaches, and significant financial losses for the organization relying on this loan management solution. The presence of a public exploit code means that the window of opportunity for exploitation is immediate and widespread.
Security mitigations for this vulnerability should focus on implementing proper parameterized queries and input validation mechanisms throughout the application's database interaction layers. The system must enforce strict sanitization of all user-supplied input, particularly parameters like lplan_id that are used in database operations. Application developers should implement the principle of least privilege for database connections and employ prepared statements or stored procedures to prevent sql injection attacks. Additionally, regular security assessments and penetration testing should be conducted to identify similar vulnerabilities within the application's codebase. Organizations should also consider implementing web application firewalls and intrusion detection systems to monitor for suspicious activities targeting known vulnerable endpoints. This vulnerability aligns with CWE-89 sql injection and follows attack patterns consistent with ATT&CK technique T1190 for exploitation of remote services, highlighting the need for comprehensive defensive measures across multiple security layers to protect against such critical threats.