CVE-2022-36339 : Exploit Details and Defense Strategies
Learn about CVE-2022-36339, an Intel NUC firmware vulnerability enabling privilege escalation. Understand impacts, affected systems, and mitigation steps.
This article provides an overview of CVE-2022-36339, a vulnerability related to improper input validation in Intel(R) NUC Compute Elements that could lead to an escalation of privilege.
Understanding CVE-2022-36339
In this section, we will dive deeper into the details of CVE-2022-36339.
What is CVE-2022-36339?
The CVE-2022-36339 vulnerability involves improper input validation in the firmware of Intel(R) NUC 8 Compute Element, Intel(R) NUC 11 Compute Element, and Intel(R) NUC 12 Compute Element. This issue may allow a privileged user to enable an escalation of privilege through local access.
The Impact of CVE-2022-36339
The impact of this vulnerability is rated as HIGH based on the CVSS v3.1 base score of 7.5. It can lead to confidentiality, integrity, and availability impacts on affected systems.
Technical Details of CVE-2022-36339
In this section, we will explore the technical aspects of CVE-2022-36339 in detail.
Vulnerability Description
The vulnerability arises from improper input validation in the firmware, potentially enabling a privileged user to elevate their privileges through local access.
Affected Systems and Versions
The affected products include Intel(R) NUC 8 Compute Element, Intel(R) NUC 11 Compute Element, and Intel(R) NUC 12 Compute Element. The specific versions impacted are detailed in the references.
Exploitation Mechanism
The privilege escalation can be achieved by exploiting the lack of proper input validation in the firmware of the Intel(R) NUC Compute Elements.
Mitigation and Prevention
In this section, we will discuss measures to mitigate and prevent the exploitation of CVE-2022-36339.
Immediate Steps to Take
It is crucial to apply security updates and patches provided by Intel to address this vulnerability. Additionally, limit local access to vulnerable systems to reduce the risk of exploitation.
Long-Term Security Practices
Implementing strict access controls, regular security assessments, and firmware integrity checks can help prevent similar privilege escalation vulnerabilities in the future.
Patching and Updates
Stay informed about security advisories from Intel and promptly apply patches and updates to ensure the security of Intel(R) NUC Compute Elements.