CVE-2021-41659 : Exploit Details and Defense Strategies

A SQL injection vulnerability in Sourcecodester Banking System v1 allows attackers to execute arbitrary SQL commands through the username or password field.

Understanding CVE-2021-41659

What is CVE-2021-41659?

The CVE-2021-41659 vulnerability in Sourcecodester Banking System v1 enables malicious actors to inject and execute arbitrary SQL commands using the username or password input.

The Impact of CVE-2021-41659

This vulnerability can lead to unauthorized access, data leakage, manipulation of sensitive information, and potential complete system compromise.

Technical Details of CVE-2021-41659

Vulnerability Description

The SQL injection vulnerability permits attackers to insert and execute SQL queries via the login credentials fields, exploiting the system's database.

Affected Systems and Versions

Product: Sourcecodester Banking System v1
Vendor: oretnom23
Versions: All versions are affected.

Exploitation Mechanism

The vulnerability allows threat actors to input SQL commands in the username or password fields, manipulating the database queries to their advantage.

Mitigation and Prevention

Immediate Steps to Take

Implement input validation techniques to sanitize user inputs and prevent SQL injection attacks.
Regularly update and patch the Sourcecodester Banking System to address this vulnerability.

Long-Term Security Practices

Conduct regular security assessments and penetration testing to identify and remediate vulnerabilities.
Educate developers on secure coding practices to prevent SQL injection and other common web application vulnerabilities.
Monitor and log database query activities for any suspicious or malicious behavior.
Consider using web application firewalls to filter and block malicious SQL injection attempts.

Patching and Updates

Apply patches and updates provided by Sourcecodester Banking System promptly to fix the SQL injection vulnerability.