CVE-2023-28041 Explained : Impact and Mitigation

This CVE-2023-28041 entry discusses a vulnerability found in Dell BIOS that could potentially be exploited by a local authenticated malicious user with administrator privileges. The vulnerability lies in an improper input validation issue within the BIOS, which may allow the attacker to modify a UEFI variable.

Understanding CVE-2023-28041

This section delves into the specifics of the CVE-2023-28041 vulnerability, including its impact, technical details, and mitigation strategies.

What is CVE-2023-28041?

The CVE-2023-28041 vulnerability revolves around an improper input validation flaw within Dell BIOS. This flaw could be leveraged by a local authenticated malicious user with administrator privileges to tamper with a UEFI variable, potentially leading to unauthorized system modifications.

The Impact of CVE-2023-28041

The impact of CVE-2023-28041 is classified as having a medium severity level, with a base score of 5.1 on the CVSS v3.1 scale. The vulnerability's integrity impact is deemed high, indicating the potential for significant unauthorized changes to affected systems.

Technical Details of CVE-2023-28041

Understanding the technical aspects of CVE-2023-28041 is crucial for comprehending the nature of the vulnerability and its potential implications.

Vulnerability Description

The vulnerability in Dell BIOS is attributed to improper input validation, which poses a risk of unauthorized modification of UEFI variables by a local authenticated malicious user with administrator privileges.

Affected Systems and Versions

All versions of the CPG BIOS by Dell are affected by this vulnerability, making a broad range of systems susceptible to exploitation if not mitigated promptly.

Exploitation Mechanism

To exploit CVE-2023-28041, a local authenticated malicious user with elevated privileges needs to leverage the improper input validation flaw within Dell BIOS to manipulate UEFI variables actively.

Mitigation and Prevention

Taking proactive measures to mitigate the risks associated with CVE-2023-28041 is essential to safeguard systems and prevent potential exploitation.

Immediate Steps to Take

It is recommended to apply security updates or patches provided by Dell promptly to address the vulnerability and prevent unauthorized alterations to UEFI variables within affected systems.

Long-Term Security Practices

Implementing robust cybersecurity practices, such as regular security assessments, access control measures, and employee awareness training, can enhance overall system security and resilience against similar vulnerabilities in the future.

Patching and Updates

Regularly monitoring for security advisories from Dell and promptly applying BIOS updates and patches can effectively mitigate the vulnerability, ensuring the ongoing security of systems and data.