CVE-2023-45230 : What You Need to Know

This article provides detailed information about CVE-2023-45230, a buffer overflow vulnerability in EDK II Network Package.

Understanding CVE-2023-45230

EDK2's Network Package is susceptible to a buffer overflow vulnerability via a long server ID option in DHCPv6 client. This vulnerability can be exploited by an attacker to gain unauthorized access and potentially lead to a loss of Confidentiality, Integrity, and/or Availability.

What is CVE-2023-45230?

CVE-2023-45230 is a buffer overflow vulnerability in the EDK II Network Package, allowing attackers to compromise the targeted system's security.

The Impact of CVE-2023-45230

The vulnerability poses a high severity risk, potentially resulting in unauthorized access, data breaches, and disruption of services.

Technical Details of CVE-2023-45230

The vulnerability is categorized under CAPEC-540 - Overread Buffers.

Vulnerability Description

EDK2's Network Package is affected by a buffer overflow vulnerability causing a risk of unauthorized access and potential loss of data integrity.

Affected Systems and Versions

The affected product is 'edk2' from vendor TianoCore, specifically the version 'edk2-stable202308'.

Exploitation Mechanism

Attackers can exploit the vulnerability by sending a long server ID option in the DHCPv6 client, triggering the buffer overflow.

Mitigation and Prevention

It is crucial to take immediate steps to address the CVE-2023-45230 vulnerability and implement long-term security measures.

Immediate Steps to Take

Apply the latest security patches and updates provided by TianoCore for the affected version.
Implement network security controls to minimize the risk of unauthorized access.

Long-Term Security Practices

Regularly monitor network traffic and system logs for any suspicious activities.
Conduct security assessments and penetration testing to identify and address potential vulnerabilities.

Patching and Updates

Stay informed about security advisories from TianoCore and promptly apply patches and updates to mitigate known vulnerabilities.