CVE-2021-27124 : Exploit Details and Defense Strategies

SQL injection vulnerability in the expertise parameter in search_result.php in Doctor Appointment System v1.0 allows authenticated patient users to extract database credentials.

Understanding CVE-2021-27124

This CVE highlights a SQL injection flaw in the Doctor Appointment System v1.0, enabling authenticated patient users to perform database credential extraction.

What is CVE-2021-27124?

CVE-2021-27124 is a security vulnerability discovered in the Doctor Appointment System v1.0, allowing authenticated individuals to execute a SQL injection attack and retrieve sensitive database credentials.

The Impact of CVE-2021-27124

The impact of this vulnerability is significant as it enables attackers to gain unauthorized access to the system's database, compromising the confidentiality and integrity of patient data and potentially leading to further security breaches.

Technical Details of CVE-2021-27124

This section provides a deeper insight into the vulnerability.

Vulnerability Description

The vulnerability arises due to improper input validation on the 'expertise' parameter in the 'search_result.php' file, which can be exploited by authenticated patient users to inject malicious SQL queries and extract sensitive database credentials.

Affected Systems and Versions

Doctor Appointment System version 1.0 is specifically impacted by this vulnerability.

Exploitation Mechanism

By injecting malicious SQL queries into the 'expertise' parameter in the 'search_result.php' file, authenticated patient users can manipulate the database query to extract confidential information.

Mitigation and Prevention

To mitigate the risks associated with CVE-2021-27124, immediate actions and long-term security practices should be implemented.

Immediate Steps to Take

Apply security patches provided by the software vendor promptly.
Implement strict input validation mechanisms to prevent SQL injection attacks.
Monitor and log user input to detect and investigate any suspicious activities.

Long-Term Security Practices

Conduct regular security audits and penetration testing to identify and remediate vulnerabilities.
Train staff and users on cybersecurity best practices to prevent and detect potential attacks.
Stay informed about the latest security threats and implement robust security measures.

Patching and Updates

Regularly check for software updates and security patches released by the vendor to address known vulnerabilities and strengthen the overall security posture of the application.