CVE-2022-34383 : Security Advisory and Response

Dell Edge Gateway 5200 (EGW) versions before 1.03.10 contain an operating system command injection vulnerability that could allow a local malicious user to execute arbitrary code during SMM by bypassing PMC mitigation using SMI.

Understanding CVE-2022-34383

This CVE involves a vulnerability in Dell's Edge Gateway 5200 (EGW) that exposes systems to potential exploitation by unauthorized users.

What is CVE-2022-34383?

CVE-2022-34383 pertains to a command injection vulnerability in Dell Edge Gateway 5200 (EGW) versions prior to 1.03.10. This flaw could permit a local malicious actor to execute arbitrary code during SMM.

The Impact of CVE-2022-34383

The vulnerability poses a high severity risk, with a CVSS base score of 8.1. It affects the confidentiality, integrity, and privileges of the impacted system, potentially allowing unauthorized code execution.

Technical Details of CVE-2022-34383

This section provides in-depth technical insights into the CVE.

Vulnerability Description

The vulnerability allows a local malicious user to perform command injection on the Edge Gateway 5200, potentially leading to arbitrary code execution during SMM.

Affected Systems and Versions

Affected Product: Dell Edge Gateway 5200
Vendor: Dell
Vulnerable Versions: Versions prior to 1.03.10

Exploitation Mechanism

A malicious user can exploit the vulnerability by utilizing an SMI to bypass PMC mitigation on Dell Edge Gateway 5200 systems.

Mitigation and Prevention

Protecting systems from CVE-2022-34383 requires immediate action and proactive security measures.

Immediate Steps to Take

Users should update Dell Edge Gateway 5200 systems to version 1.03.10 or newer to mitigate the vulnerability. Additionally, restrict local access to prevent unauthorized exploitation.

Long-Term Security Practices

Implementing strict access controls and monitoring system activities can help prevent potential security breaches.

Patching and Updates

Regularly check for security updates from Dell and apply patches promptly to address known vulnerabilities.