CVE-2023-22312 : Vulnerability Insights and Analysis

This CVE record was published by Intel on May 10, 2023, and it involves an improper access control vulnerability in some Intel(R) NUC BIOS firmware that could potentially lead to the escalation of privilege for a privileged user via local access.

Understanding CVE-2023-22312

This section will delve into the details of CVE-2023-22312, outlining what the vulnerability entails and its potential impact.

What is CVE-2023-22312?

CVE-2023-22312 refers to an improper access control vulnerability found in certain Intel(R) NUC BIOS firmware. This flaw could be exploited by a privileged user to potentially enable the escalation of privilege through local access.

The Impact of CVE-2023-22312

The impact of CVE-2023-22312 is considered high, with a base severity rating of "HIGH" according to the CVSS v3.1 base score of 7.2. This vulnerability could lead to unauthorized privilege escalation, posing risks to the confidentiality, integrity, and availability of affected systems.

Technical Details of CVE-2023-22312

In this section, we will explore the technical aspects of CVE-2023-22312, including the vulnerability description, affected systems and versions, and the exploitation mechanism.

Vulnerability Description

The vulnerability in the Intel(R) NUC BIOS firmware is due to improper access control, which could be leveraged by a privileged user to elevate their privileges locally, potentially leading to unauthorized actions on the system.

Affected Systems and Versions

The affected product in this CVE is the Intel(R) NUC BIOS firmware. The specific versions impacted are not disclosed, and users are advised to refer to the provided references for more information on the affected versions.

Exploitation Mechanism

To exploit this vulnerability, a privileged user with local access to the system could potentially manipulate the improper access control within the Intel(R) NUC BIOS firmware to escalate their privileges and gain unauthorized control over the system.

Mitigation and Prevention

This section focuses on the measures that can be taken to mitigate the risks posed by CVE-2023-22312 and prevent potential exploitation.

Immediate Steps to Take

Users are advised to refer to the Intel Security Advisory (INTEL-SA-00777) for specific guidance on addressing this vulnerability. Implementing recommended patches and security updates from Intel is crucial to remediate the improper access control vulnerability in the affected BIOS firmware.

Long-Term Security Practices

In addition to applying immediate patches, maintaining robust security practices such as regular system updates, monitoring for unusual activities, and enforcing least privilege access can help enhance overall security posture and prevent similar vulnerabilities in the future.

Patching and Updates

Stay informed about security advisories from Intel and promptly apply patches and updates to the Intel(R) NUC BIOS firmware to address vulnerabilities like CVE-2023-22312. Regularly check for new firmware releases and security bulletins to ensure your system is protected against known threats.