CVE-2022-31225 : What You Need to Know

Dell BIOS versions contain an Unchecked Return Value vulnerability that allows a local authenticated administrator user to potentially change the system state or cause unexpected failures.

Understanding CVE-2022-31225

This CVE, published on August 5, 2022, affects Dell's CPG BIOS.

What is CVE-2022-31225?

CVE-2022-31225 is an Unchecked Return Value vulnerability in Dell BIOS versions that can be exploited by an authenticated local administrator to impact system integrity.

The Impact of CVE-2022-31225

With a base score of 3 and low severity, this vulnerability can lead to system state modification or unexpected failures by a privileged user.

Technical Details of CVE-2022-31225

The following technical details provide insights into the vulnerability's description, affected systems, and exploitation mechanism.

Vulnerability Description

The vulnerability arises from unchecked return values within Dell BIOS versions, allowing unauthorized changes to system states.

Affected Systems and Versions

CPG BIOS from Dell with versions of less than 21Q4 platforms are impacted by this vulnerability.

Exploitation Mechanism

A local authenticated administrator user with high privileges can exploit this vulnerability without requiring user interaction, leading to potential system integrity compromise.

Mitigation and Prevention

To address CVE-2022-31225, immediate steps and long-term security practices are essential.

Immediate Steps to Take

Users should apply relevant security patches and updates provided by Dell to mitigate the risk of exploitation.

Long-Term Security Practices

Implementing least privilege access, regular security audits, and monitoring system integrity can enhance long-term security posture.

Patching and Updates

Regularly check for BIOS updates from Dell and apply them promptly to ensure system protection.