Understand CVE-2022-32490, a Dell BIOS vulnerability allowing local authenticated users to execute arbitrary code in SMRAM. Learn about impact, technical details, and mitigation steps.
This article provides detailed information about CVE-2022-32490, a vulnerability found in Dell BIOS that allows a local authenticated malicious user to gain arbitrary code execution in SMRAM.
Understanding CVE-2022-32490
This section delves into the nature of the vulnerability and its potential impact.
What is CVE-2022-32490?
CVE-2022-32490 is an improper input validation vulnerability in Dell BIOS, which can be exploited by a local authenticated malicious user using an SMI to execute arbitrary code in SMRAM.
The Impact of CVE-2022-32490
The impact of this vulnerability is rated as HIGH due to its potential for allowing arbitrary code execution and compromising the confidentiality, integrity, and availability of the affected system.
Technical Details of CVE-2022-32490
Explore the specific technical aspects of the vulnerability in this section.
Vulnerability Description
The vulnerability arises from improper input validation in Dell BIOS, creating an opportunity for a malicious user to execute arbitrary code within SMRAM.
Affected Systems and Versions
The affected system is Dell BIOS version 1.8. Users running this version are at risk of exploitation.
Exploitation Mechanism
An attacker with local authenticated access can exploit the vulnerability by leveraging an SMI to execute arbitrary code within SMRAM.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2022-32490 and safeguard your system.
Immediate Steps to Take
Users are advised to update to a patched version of Dell BIOS to address the vulnerability and enhance system security.
Long-Term Security Practices
Implementing strong access controls, regular security audits, and monitoring can help prevent unauthorized access and exploitation.
Patching and Updates
Stay proactive about applying security patches and updates provided by Dell to protect against known vulnerabilities.