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CVE-2023-50867: Unauthenticated SQL Injection Vulnerability in Travel Website v1.0

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Vulnerability Summary

  • CVE ID: CVE-2023-50867​

  • Severity: Critical (CVSS 3.1 Score: 9.8)​

  • Attack Vector: Network

  • Privileges Required: None​

  • User Interaction: None​

  • Impact: Remote Code Execution, Data Exfiltration​

CVE-2023-50867 is a critical vulnerability in the Travel Website v1.0 application, allowing unauthenticated attackers to perform SQL injection via the username parameter in the signupAction.php script. The application fails to properly sanitize user input, enabling attackers to execute arbitrary SQL commands on the backend database. ​

Affected Products

The following product is affected:​

  • Product: Travel Website

  • Version: 1.0​

  • Vendor: Kashipara​

Exploitation Details

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An attacker can exploit this vulnerability by sending a crafted HTTP POST request to the signupAction.php endpoint with a malicious username parameter. For example:​

POST /signupAction.php HTTP/1.1
Host: vulnerable-site.com
Content-Type: application/x-www-form-urlencoded

username=' OR '1'='1&password=pass123

This payload manipulates the SQL query to always return true, potentially bypassing authentication or extracting sensitive data.​

Potential Risks

  • Unauthorized access to sensitive user data​

  • Modification or deletion of database records​

  • Execution of arbitrary commands on the server​

  • Complete compromise of the web application​

Mitigation Recommendations

  • Input Validation: Implement strict input validation and sanitization for all user-supplied data.​

  • Use Prepared Statements: Utilize parameterized queries or prepared statements to prevent SQL injection.​

  • Update Software: If available, apply patches or updates provided by the vendor to address this vulnerability.​

  • Restrict Database Permissions: Ensure the database user has the minimum necessary privileges to limit potential damage.​

Conclusion

CVE-2023-50867 poses a significant threat to applications using Travel Website v1.0. Due to the ease of exploitation and the potential impact, it’s crucial to implement the recommended mitigations promptly to secure affected systems.​

References

Disclaimer:

The information and code presented in this article are provided for educational and defensive cybersecurity purposes only. Any conceptual or pseudocode examples are simplified representations intended to raise awareness and promote secure development and system configuration practices.

Do not use this information to attempt unauthorized access or exploit vulnerabilities on systems that you do not own or have explicit permission to test.

Ameeba and its authors do not endorse or condone malicious behavior and are not responsible for misuse of the content. Always follow ethical hacking guidelines, responsible disclosure practices, and local laws.

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