CVE-2023-28060 : What You Need to Know

This is a detailed overview of CVE-2023-28060 outlining the vulnerability, its impact, technical details, and mitigation strategies.

Understanding CVE-2023-28060

CVE-2023-28060 is a vulnerability concerning Dell BIOS, where an improper input validation flaw exists. This vulnerability could be exploited by a local authenticated malicious user with administrator privileges to modify a UEFI variable.

What is CVE-2023-28060?

The CVE-2023-28060 vulnerability pertains to Dell BIOS and involves an improper input validation issue. Specifically, a local authenticated malicious user may exploit this flaw to alter a UEFI variable within the system.

The Impact of CVE-2023-28060

The impact of CVE-2023-28060 is rated as MEDIUM severity, with a base score of 5.1 according to CVSS v3.1 metrics. While the confidentiality impact is considered NONE, the integrity impact is HIGH, emphasizing the potential risk associated with unauthorized modification of UEFI variables by privileged users.

Technical Details of CVE-2023-28060

This section delves into a deeper understanding of the vulnerability, its affected systems, and the exploitation mechanism.

Vulnerability Description

The vulnerability in Dell BIOS reveals an improper input validation weakness, allowing local authenticated malicious users with administrator privileges to manipulate a UEFI variable. This flaw poses a security threat to the affected systems.

Affected Systems and Versions

The affected product associated with this vulnerability is CPG BIOS by Dell, impacting all versions of the BIOS. Organizations utilizing these systems are at risk of exploitation by threat actors with the necessary privileges.

Exploitation Mechanism

The exploitation of CVE-2023-28060 involves a local authenticated malicious user leveraging their administrator privileges to exploit the improper input validation vulnerability within Dell BIOS. By successfully manipulating the UEFI variable, the attacker can compromise the system's integrity.

Mitigation and Prevention

To safeguard systems from the CVE-2023-28060 vulnerability, immediate steps along with long-term security practices and patching recommendations are crucial.

Immediate Steps to Take

Organizations should promptly apply security updates provided by Dell to address the improper input validation vulnerability in Dell BIOS. Restricting user privileges and monitoring for any suspicious activities can also enhance security posture.

Long-Term Security Practices

Implementing security best practices such as regular vulnerability assessments, enhancing user awareness on security threats, and maintaining a robust incident response plan can fortify the overall defense against similar vulnerabilities in the future.

Patching and Updates

Dell has released a security update addressing the CVE-2023-28060 vulnerability in Dell BIOS. It is imperative for organizations to promptly apply these patches to mitigate the risk of exploitation and ensure the security of their systems.