CVE-2023-39535 : What You Need to Know

This article provides detailed information about CVE-2023-39535, a vulnerability found in AMI AptioV BIOS affecting confidentiality, integrity, and availability.

Understanding CVE-2023-39535

This section delves into the nature of the vulnerability and its impact.

What is CVE-2023-39535?

CVE-2023-39535 is a vulnerability in AMI AptioV BIOS that allows an attacker to exploit improper input validation via the local network. Successful exploitation can result in a loss of confidentiality, integrity, and availability. The vulnerability falls under CAPEC-153 - Input Data Manipulation.

The Impact of CVE-2023-39535

The CVSS score for CVE-2023-39535 is 7.5, classifying it as a high severity issue due to its impact on confidentiality, integrity, and availability. The attack complexity is high, requiring local access and elevated privileges.

Technical Details of CVE-2023-39535

This section covers specific technical details of the vulnerability.

Vulnerability Description

The vulnerability arises from improper input validation in AMI AptioV BIOS, allowing an attacker to manipulate input data via the local network.

Affected Systems and Versions

The affected product is AptioV by AMI, with all versions being impacted by this vulnerability.

Exploitation Mechanism

The attacker exploits the vulnerability by using improper input validation via the local network to compromise the system's confidentiality, integrity, and availability.

Mitigation and Prevention

In this section, we discuss steps to mitigate and prevent exploitation of CVE-2023-39535.

Immediate Steps to Take

Users are advised to apply security patches provided by AMI promptly to address the vulnerability. Additionally, restrict network access to prevent unauthorized exploitation.

Long-Term Security Practices

Implement robust security practices such as regular security updates, network segmentation, and monitoring to enhance overall system security.

Patching and Updates

Stay informed about security advisories from AMI and promptly apply relevant BIOS updates to patch the vulnerability and enhance system security.