CVE-2023-42429 : Exploit Details and Defense Strategies
Learn about CVE-2023-42429, a HIGH severity vulnerability in Intel NUC BIOS firmware allowing privilege escalation. Find technical details, impacts, and mitigation strategies here.
A detailed overview of CVE-2023-42429 affecting Intel NUC BIOS firmware.
Understanding CVE-2023-42429
This section will cover what CVE-2023-42429 is, its impact, technical details, and mitigation strategies.
What is CVE-2023-42429?
CVE-2023-42429 involves improper buffer restrictions in certain Intel NUC BIOS firmware versions, potentially enabling a privileged user to escalate privileges through local access.
The Impact of CVE-2023-42429
The vulnerability has a CVSS base score of 7.5, categorizing it as HIGH severity. It could allow an attacker with local access to elevate privileges, leading to confidentiality, integrity, and availability risks.
Technical Details of CVE-2023-42429
This section will delve into the vulnerability description, affected systems and versions, as well as the exploitation mechanism.
Vulnerability Description
The vulnerability arises from improper buffer restrictions within Intel NUC BIOS firmware, creating an opportunity for privilege escalation for a privileged user.
Affected Systems and Versions
The vulnerability affects Intel NUC BIOS firmware. Specific affected versions are detailed in the references.
Exploitation Mechanism
The exploitation involves leveraging the improper buffer restrictions to gain escalated privileges through local access.
Mitigation and Prevention
This section will outline immediate steps to take, long-term security practices, and the importance of patching and updates.
Immediate Steps to Take
Users are advised to refer to the provided references for specific affected versions and corresponding patches. Ensure BIOS updates are applied promptly.
Long-Term Security Practices
In the long term, maintaining regular updates and monitoring security advisories from Intel is crucial to stay protected against emerging vulnerabilities.
Patching and Updates
Regularly check for BIOS firmware updates from Intel and apply them as soon as they become available to mitigate the CVE-2023-42429 vulnerability.