CVE-2023-4885 : What You Need to Know

This CVE record relates to multiple vulnerabilities found in Open5GS, with CVE ID CVE-2023-4885 being specifically assigned to a "Man in the Middle" vulnerability that could potentially allow attackers to intercept Virtual Network Function (VNF) communications, leading to the exposure of sensitive information.

Understanding CVE-2023-4885

This section delves into the specific details and impact of CVE-2023-4885.

What is CVE-2023-4885?

CVE-2023-4885 is a "Man in the Middle" vulnerability in Open5GS, where attackers could exploit the flaw to intercept VNF communications, thereby compromising the confidentiality of sensitive data.

The Impact of CVE-2023-4885

The impact of CVE-2023-4885, categorized under CAPEC-94 (Adversary in the Middle), poses a moderate risk with a base severity score of 6.5. It could potentially lead to the exposure of confidential information due to interception in communication channels.

Technical Details of CVE-2023-4885

In this section, we explore the technical aspects of the vulnerability found in Open5GS.

Vulnerability Description

The vulnerability involves a Man in the Middle scenario, allowing unauthorized interception of VNF communications within Open5GS, leading to a breach of data confidentiality.

Affected Systems and Versions

Open5GS versions up to and including 2.4.10 are impacted by this vulnerability, making them susceptible to exploitation by threat actors.

Exploitation Mechanism

The exploitation of CVE-2023-4885 revolves around intercepting VNF communications, enabling attackers to eavesdrop on sensitive information being transmitted within the network.

Mitigation and Prevention

To address and mitigate the risks associated with CVE-2023-4885, immediate actions and long-term security measures are essential.

Immediate Steps to Take

Deploying network encryption protocols, monitoring for unauthorized access, and restricting network privileges can help mitigate the immediate risks posed by the vulnerability.

Long-Term Security Practices

Implementing regular security audits, conducting penetration testing, and ensuring secure configurations can enhance the overall security posture of the network infrastructure to prevent similar vulnerabilities in the future.

Patching and Updates

Open5GS is actively working on a fix for the reported vulnerabilities. It is crucial for users to apply security patches and updates promptly to protect their systems from potential exploitation of CVE-2023-4885.