CVE-2023-4934 : Exploit Details and Defense Strategies

This CVE-2023-4934 was assigned by TR-CERT and was published on September 27, 2023. The vulnerability was reserved on September 13, 2023, and last updated on September 29, 2023. The CVE IDOR in Usta AYBS has the potential to allow Authentication Abuse and Authentication Bypass, impacting versions of AYBS before 1.0.3.

Understanding CVE-2023-4934

The CVE-2023-4934 vulnerability involves an Insecure Direct Object Reference (IDOR) in Usta AYBS, which could potentially lead to unauthorized access by bypassing authentication mechanisms.

What is CVE-2023-4934?

CVE-2023-4934 is an Authorization Bypass Through User-Controlled Key vulnerability in Usta AYBS, allowing for Authentication Abuse and Authentication Bypass. This vulnerability affects versions of AYBS prior to 1.0.3.

The Impact of CVE-2023-4934

The impact of CVE-2023-4934 is classified as high, with a CVSS v3.1 base score of 8.8. It has a high impact on confidentiality, integrity, and availability, with a low level of privileges required and user interaction.

Technical Details of CVE-2023-4934

The technical details of CVE-2023-4934 shed light on the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability in Usta AYBS allows for an Authorization Bypass Through User-Controlled Key, potentially leading to Authentication Abuse and Authentication Bypass.

Affected Systems and Versions

The vulnerability impacts Usta AYBS versions before 1.0.3.

Exploitation Mechanism

The exploitation of CVE-2023-4934 involves manipulating user-controlled keys to bypass authentication mechanisms and gain unauthorized access.

Mitigation and Prevention

To mitigate the risks associated with CVE-2023-4934, it is crucial to take immediate steps, implement long-term security practices, and apply available patches and updates.

Immediate Steps to Take

Immediately update Usta AYBS to version 1.0.3 or later to address the vulnerability and enhance security measures to restrict unauthorized access and prevent potential abuse.

Long-Term Security Practices

Implement robust authentication and authorization mechanisms, regularly monitor and audit access controls, and educate users on secure practices to prevent similar vulnerabilities in the future.

Patching and Updates

Regularly check for security updates and patches provided by Usta for AYBS to ensure the latest security measures are in place and to protect against known vulnerabilities.