CVE-2022-32482 : Vulnerability Insights and Analysis

Dell BIOS contains an improper input validation vulnerability that allows a local authenticated malicious user to modify a UEFI variable. This article provides an overview of CVE-2022-32482, including its impact, technical details, and mitigation steps.

Understanding CVE-2022-32482

This section delves into the details of the vulnerability and its implications.

What is CVE-2022-32482?

CVE-2022-32482 is a vulnerability found in Dell BIOS that enables a local authenticated malicious user with admin privileges to exploit improper input validation and modify a UEFI variable.

The Impact of CVE-2022-32482

The vulnerability poses a medium severity risk, with a CVSS base score of 5.6. It requires high privileges for exploitation and can lead to a high integrity impact.

Technical Details of CVE-2022-32482

This section outlines the specific technical aspects of the vulnerability.

Vulnerability Description

The vulnerability results from improper input validation in Dell BIOS, allowing unauthorized modification of UEFI variables.

Affected Systems and Versions

The affected product is CPG BIOS from Dell, with versions equal to or less than 2.15.2.

Exploitation Mechanism

A local authenticated malicious user can exploit this vulnerability by taking advantage of the improper input validation in Dell BIOS.

Mitigation and Prevention

This section covers the necessary steps to mitigate the impact of CVE-2022-32482.

Immediate Steps to Take

Users should apply patches provided by Dell as soon as possible to address this vulnerability.

Long-Term Security Practices

Implement strict access control measures and monitor for unauthorized changes to UEFI variables to enhance system security.

Patching and Updates

Stay informed about security updates from Dell and promptly install patches to protect systems against potential exploitation.