CVE-2023-28052 : Vulnerability Insights and Analysis

This CVE-2023-28052 involves an improper input validation vulnerability found in Dell BIOS. A local authenticated malicious user with administrator privileges could potentially exploit this vulnerability to modify a UEFI variable.

Understanding CVE-2023-28052

This section will delve into the key details regarding CVE-2023-28052.

What is CVE-2023-28052?

CVE-2023-28052 is a vulnerability present in Dell BIOS, allowing a local authenticated malicious user with administrator privileges to manipulate a UEFI variable due to improper input validation.

The Impact of CVE-2023-28052

The impact of this vulnerability lies in the ability of an attacker to potentially make unauthorized modifications to a UEFI variable, compromising the integrity of the system.

Technical Details of CVE-2023-28052

Here, we will explore the technical aspects of CVE-2023-28052.

Vulnerability Description

The vulnerability arises from the improper input validation within Dell BIOS, enabling a local authenticated malicious user to exploit it for unauthorized UEFI variable modifications.

Affected Systems and Versions

The vulnerability affects all versions of the CPG BIOS by Dell.

Exploitation Mechanism

The exploitation of this vulnerability requires a local authenticated malicious user with administrator privileges to leverage the improper input validation within Dell BIOS.

Mitigation and Prevention

In this section, we will outline the measures to mitigate and prevent the exploitation of CVE-2023-28052.

Immediate Steps to Take

Ensure only trusted users have administrator privileges to reduce the risk of exploitation.
Regularly monitor and review UEFI variables for any unauthorized changes.

Long-Term Security Practices

Implement strong access controls and user privileges within the BIOS settings.
Keep BIOS systems up to date with the latest security patches and updates.

Patching and Updates

Dell has released a security update addressing the improper input validation vulnerability in the BIOS. It is recommended to apply this patch promptly to mitigate the risk associated with CVE-2023-28052.