CVE-2023-0750 : What You Need to Know

This CVE was published by NCSC.ch on April 6, 2023. It pertains to a vulnerability in the Yellowbrik PEC-1864 device, affecting its authentication process and potentially leading to critical security issues.

Understanding CVE-2023-0750

This vulnerability allows an attacker to bypass authentication on the Yellowbrik PEC-1864 device, enabling them to perform malicious actions that compromise the device's security and integrity.

What is CVE-2023-0750?

The Yellowbrik PEC-1864 device implements authentication checks via JavaScript in the frontend interface. If accessed over the network, an attacker could bypass this authentication, granting unauthorized access to the device. The attacker could then change the password, disrupt the streaming source, or compromise the streaming destination.

The Impact of CVE-2023-0750

This vulnerability has a CVSS v3.1 base score of 9.8, categorizing it as critical. It poses high confidentiality, integrity, and availability impacts, making it crucial to address to prevent potential exploitation.

Technical Details of CVE-2023-0750

This section provides detailed information about the vulnerability, the affected systems, and how the exploitation can occur.

Vulnerability Description

The vulnerability in Yellowbrik PEC-1864 allows attackers to bypass authentication via the device's frontend interface, potentially leading to unauthorized access and malicious activities.

Affected Systems and Versions

The specific affected system identified is Yellowbrik: PEC 1864. Unfortunately, no patch has been issued for this model as it has been discontinued.

Exploitation Mechanism

By leveraging this vulnerability, attackers could change passwords, disrupt streaming sources, or compromise streaming destinations, resulting in significant security breaches and potential harm.

Mitigation and Prevention

Understanding how to mitigate and prevent the exploitation of CVE-2023-0750 is essential to safeguard systems and data.

Immediate Steps to Take

Isolating the PEC-1864 device behind a firewall and restricting access to the web interface can help prevent unauthorized access and protect against potential attacks.

Long-Term Security Practices

Implementing robust security protocols, keeping systems up-to-date, and monitoring network traffic can enhance overall cybersecurity posture and mitigate similar vulnerabilities in the future.

Patching and Updates

While no patch has been released for the discontinued Yellowbrik PEC-1864 model, it is recommended to stay informed about security advisories from manufacturers and apply patches promptly to mitigate risks.