CVE-2022-24417 : Vulnerability Insights and Analysis

Dell BIOS contains a critical vulnerability due to improper input validation, allowing a local authenticated malicious user to execute arbitrary code during SMM (System Management Mode).

Understanding CVE-2022-24417

This vulnerability affects Dell's CPG BIOS versions lower than 1.10.0, posing a significant threat to system security.

What is CVE-2022-24417?

The CVE-2022-24417 vulnerability in Dell BIOS arises from inadequate input validation, enabling an attacker with local authentication to trigger arbitrary code execution by leveraging an SMI in SMM.

The Impact of CVE-2022-24417

With a CVSS base score of 7.5 (High), this vulnerability has a severe impact on confidentiality, integrity, and availability. The attack complexity is high, requiring no user interaction but high privileges.

Technical Details of CVE-2022-24417

The technical details of CVE-2022-24417 include:

Vulnerability Description

The vulnerability allows a local authenticated attacker to exploit the BIOS improper input validation to run arbitrary code during SMM.

Affected Systems and Versions

The vulnerability affects Dell's CPG BIOS versions less than 1.10.0.

Exploitation Mechanism

By using an SMI, a local authenticated malicious user can trigger arbitrary code execution in SMM.

Mitigation and Prevention

To address CVE-2022-24417, consider the following steps:

Immediate Steps to Take

Update Dell CPG BIOS to version 1.10.0 or higher.
Regularly monitor Dell's security advisories for patches and fixes.

Long-Term Security Practices

Maintain least privilege access to systems to limit the impact of potential exploits.
Implement network segmentation and access controls to minimize attack surfaces.

Patching and Updates

Apply security patches promptly and consistently to mitigate vulnerabilities like CVE-2022-24417 and enhance overall system security.