Learn about CVE-2023-29495 involving improper input validation in Intel NUC BIOS firmware, allowing privilege escalation. Explore impact, affected systems, and mitigation steps.
A detailed overview of CVE-2023-29495 highlighting the impact, technical details, and mitigation strategies.
Understanding CVE-2023-29495
Exploring the vulnerability, its implications, and affected systems.
What is CVE-2023-29495?
The CVE-2023-29495 vulnerability involves improper input validation in some versions of Intel NUC BIOS firmware before version IN0048. This flaw could potentially allow a privileged user to escalate their privileges through local access.
The Impact of CVE-2023-29495
The vulnerability poses a high severity risk, with a CVSS base score of 7.5. It has the potential to enable an attacker to elevate their privileges locally, leading to confidentiality, integrity, and availability compromise.
Technical Details of CVE-2023-29495
A closer look at the vulnerability description, affected systems, and exploitation mechanism.
Vulnerability Description
The flaw arises from improper input validation in certain Intel NUC BIOS firmware versions, creating an opportunity for a local user to exploit and escalate their privileges.
Affected Systems and Versions
The vulnerability impacts Intel NUC BIOS firmware versions preceding IN0048, making them susceptible to privilege escalation via local access.
Exploitation Mechanism
By leveraging the inadequate input validation in the affected BIOS firmware versions, a privileged user could potentially exploit the vulnerability to escalate their privileges locally.
Mitigation and Prevention
Effective strategies to address and prevent the CVE-2023-29495 vulnerability.
Immediate Steps to Take
It is crucial to update the Intel NUC BIOS firmware to version IN0048 or later to mitigate the vulnerability and eliminate the risk of privilege escalation.
Long-Term Security Practices
Regularly apply security patches and updates provided by Intel to ensure the ongoing protection of the BIOS firmware and prevent similar vulnerabilities from being exploited.
Patching and Updates
Stay informed about security advisories and releases from Intel to promptly apply patches and updates that address known vulnerabilities and enhance system security.