CVE-2024-30990 in Client Management System
Summary
by MITRE • 04/17/2024
SQL Injection vulnerability in the "Invoices" page in phpgurukul Client Management System using PHP & MySQL 1.1 allows attacker to execute arbitrary SQL commands via "searchdata" parameter.
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Analysis
by VulDB Data Team • 04/10/2025
The CVE-2024-30990 vulnerability represents a critical SQL injection flaw within the phpgurukul Client Management System version 1.1, specifically affecting the "Invoices" page functionality. This vulnerability arises from insufficient input validation and sanitization of user-supplied data, creating an exploitable pathway for malicious actors to manipulate the underlying database operations. The system's failure to properly escape or parameterize the "searchdata" parameter exposes the application to unauthorized SQL command execution, potentially compromising the entire database infrastructure. The vulnerability resides in the web application's handling of search queries within the client management interface, where user input directly influences database query construction without adequate security controls.
The technical exploitation of this vulnerability occurs when an attacker submits malicious SQL payload through the "searchdata" parameter on the Invoices page. The application processes this input directly within SQL query construction without proper sanitization, allowing attackers to inject arbitrary SQL commands that execute with the privileges of the database user account. This flaw aligns with CWE-89, which categorizes SQL injection as a weakness where untrusted input is incorporated into SQL queries without proper escaping or parameterization. The vulnerability demonstrates characteristics of CWE-77, specifically the execution of externally-provided code through SQL injection, enabling attackers to perform unauthorized database operations including data extraction, modification, or deletion. Attackers can leverage this vulnerability to bypass authentication mechanisms, extract sensitive client information, manipulate financial records, or even escalate privileges within the database system.
The operational impact of CVE-2024-30990 extends beyond immediate data compromise to encompass broader security implications for organizations utilizing the phpgurukul Client Management System. Successful exploitation could result in unauthorized access to confidential client information including personal identification details, financial records, and business-sensitive data stored within the database. The vulnerability creates opportunities for attackers to perform data exfiltration, potentially exposing the system to regulatory compliance violations and financial penalties. Organizations may face reputational damage, legal consequences, and increased security risks as attackers could use the compromised system as a foothold for further network infiltration. The vulnerability also enables potential denial of service conditions if attackers manipulate database queries to consume excessive resources or corrupt database structures, impacting business continuity and operational effectiveness.
Security mitigations for CVE-2024-30990 should prioritize immediate implementation of input validation and parameterized queries to prevent SQL injection exploitation. Organizations must implement proper input sanitization techniques, including the use of prepared statements and parameterized queries to ensure that user input cannot influence SQL command structure. The application should enforce strict validation of all user-supplied data, particularly for search parameters, and implement proper error handling to prevent information leakage through database error messages. Additionally, implementing web application firewalls and database activity monitoring can provide additional layers of protection. Organizations should also consider implementing principle of least privilege for database accounts, ensuring that application database users have minimal required permissions to reduce potential impact of successful exploitation. The mitigation strategy should align with ATT&CK technique T1190, which addresses the exploitation of vulnerabilities through SQL injection attacks, emphasizing the importance of defensive measures including input validation, parameterized queries, and proper access controls to prevent unauthorized database access and maintain system integrity.