CVE-2023-24022 : Vulnerability Insights and Analysis

This CVE details a vulnerability in Baicells Nova 227, Nova 233, and Nova 243 LTE TDD eNodeB devices with firmware through RTS/RTD 3.7.11.3 that exposes hardcoded credentials, making it possible for remote attackers to authenticate via ssh.

Understanding CVE-2023-24022

This section provides insights into the nature of CVE-2023-24022, its impact, technical details, and mitigation strategies.

What is CVE-2023-24022?

CVE-2023-24022 refers to the hardcoded credential vulnerability found in Baicells Nova LTE TDD eNodeB devices, allowing remote attackers to authenticate via ssh using easily discoverable credentials stored in the firmware.

The Impact of CVE-2023-24022

The impact of CVE-2023-24022 is significant, as it enables attackers to bypass electronic locks and access controls (CAPEC-395). This vulnerability poses a critical threat due to its potential for high confidentiality and integrity impacts.

Technical Details of CVE-2023-24022

This section delves into the specifics of the vulnerability, including its description, affected systems and versions, as well as the exploitation mechanism.

Vulnerability Description

The vulnerability in Baicells Nova LTE TDD eNodeB devices arises from hardcoded credentials stored in the firmware, encrypted using the crypt function. These credentials can be easily obtained by attackers to authenticate via ssh and potentially gain unauthorized access.

Affected Systems and Versions

Baicells Nova 227, Nova 233, and Nova 243 LTE TDD eNodeB devices with firmware through RTS/RTD 3.7.11.3 are affected by this vulnerability, exposing them to exploitation.

Exploitation Mechanism

Remote attackers can exploit this vulnerability by leveraging the discovered hardcoded credentials within the firmware to authenticate via ssh, granting unauthorized access to the affected devices.

Mitigation and Prevention

In response to CVE-2023-24022, it is crucial to implement immediate steps to mitigate the risk and adopt long-term security practices to prevent similar incidents in the future. Regular patching and updates are also essential to address the underlying vulnerability.

Immediate Steps to Take

Baicells recommends that all customers currently using an earlier version of RTS/RTD upgrade their devices to the 3.7.11.6 firmware to mitigate the hardcoded credential vulnerability effectively.

Long-Term Security Practices

To enhance overall security posture, organizations should enforce robust access control measures, conduct regular security assessments, and prioritize ongoing monitoring for unauthorized access attempts.

Patching and Updates

Regularly applying security patches and firmware updates provided by Baicells is vital to address vulnerabilities like the hardcoded credential issue identified in CVE-2023-24022 and strengthen the overall security of the affected devices.