CVE-2023-28028 : Security Advisory and Response

This CVE-2023-28028 article provides an overview of the Dell BIOS vulnerability, its impact, technical details, and mitigation strategies.

Understanding CVE-2023-28028

This section delves into the specifics of CVE-2023-28028, shedding light on what it entails and the potential risks associated with it.

What is CVE-2023-28028?

CVE-2023-28028 pertains to an improper input validation vulnerability found in Dell BIOS. This vulnerability could be exploited by a local malicious user with administrator privileges to alter a UEFI variable.

The Impact of CVE-2023-28028

The impact of CVE-2023-28028 is of medium severity with a base score of 5.1. While the confidentiality impact is none, the integrity impact is high. The vulnerability requires high privileges to exploit and has a low attack complexity and vector, making it a concerning threat.

Technical Details of CVE-2023-28028

In this section, we explore the technical aspects of the CVE-2023-28028 vulnerability, including its description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The Dell BIOS vulnerability involves improper input validation, potentially allowing a local authenticated malicious user to manipulate a UEFI variable.

Affected Systems and Versions

The vulnerability affects all versions of CPG BIOS by Dell.

Exploitation Mechanism

A local authenticated malicious user with administrator privileges could exploit this vulnerability to modify a UEFI variable, posing a risk to the system's integrity.

Mitigation and Prevention

This section outlines the necessary steps to mitigate the risks posed by CVE-2023-28028 and prevent potential exploitation.

Immediate Steps to Take

It is crucial to apply security updates and patches provided by Dell promptly to address the vulnerability and enhance system security.

Long-Term Security Practices

Implementing robust security practices such as restricting user privileges, conducting regular security audits, and staying abreast of security advisories can help prevent similar vulnerabilities in the future.

Patching and Updates

Users should regularly check for security updates from Dell and apply them promptly to secure their systems against potential exploits of CVE-2023-28028.