CVE-2021-27319 Scanner

The Doctor Appointment System is a web-based application utilized by healthcare facilities to streamline the process of scheduling appointments. This software facilitates easier management of patient appointments, reducing the workload on medical staff and improving the patient experience. The system allows patients to select available slots for their appointments, enabling healthcare providers to manage their schedules efficiently. It is designed to be user-friendly and accessible, making it an essential tool for modern healthcare practices seeking to optimize their operations and provide better service.

The issue arises from improper validation and sanitization of user-supplied data in the email field of the contact form. By crafting a malicious input that includes SQL commands and injecting it into the email parameter, attackers can manipulate the underlying SQL queries executed by the application's backend database. This vulnerability does not require authentication, making it possible for any remote attacker to exploit it. The lack of adequate input validation mechanisms exposes the system to potential unauthorized data access and manipulation, underscoring the need for robust security practices in web application development.

The exploitation of this SQL Injection vulnerability could lead to several adverse consequences, including unauthorized access to sensitive patient information, manipulation or deletion of critical data, and disruption of healthcare services. Such incidents could compromise patient confidentiality, erode trust in the healthcare provider, and potentially lead to legal and financial repercussions. It highlights the importance of securing web applications against SQL Injection attacks to protect against data breaches and maintain the integrity of healthcare operations.

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References

• https://www.sourcecodester.com/php/14182/doctor-appointment-system.html
• http://packetstormsecurity.com/files/161642/Doctor-Appointment-System-1.0-Blind-SQL-Injection.html
• https://nvd.nist.gov/vuln/detail/CVE-2021-27319