CVE-2022-3432 : Vulnerability Insights and Analysis
Discover the impact of CVE-2022-3432, a medium severity vulnerability in Lenovo BIOS firmware. Learn how attackers with high privileges can exploit the vulnerability on the Ideapad Y700-14ISK.
The potential vulnerability in a driver used during the manufacturing process on the Ideapad Y700-14ISK allows an attacker with elevated privileges to modify secure boot settings, impacting Lenovo BIOS firmware.
Understanding CVE-2022-3432
This CVE identifies a security vulnerability in Lenovo BIOS firmware, impacting Ideapad Y700-14ISK laptops.
What is CVE-2022-3432?
The vulnerability arises from a driver in the manufacturing process on the Ideapad Y700-14ISK that was not properly deactivated, enabling attackers to modify secure boot settings.
The Impact of CVE-2022-3432
The CVSS v3.1 base score of 6.7 classifies this vulnerability as medium severity, with high confidentiality, integrity, and availability impacts. This vulnerability requires high privileges to exploit.
Technical Details of CVE-2022-3432
This section covers the specifics of the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The driver in the manufacturing process on the Ideapad Y700-14ISK allows attackers with elevated privileges to modify secure boot settings by changing an NVRAM variable, potentially leading to unauthorized system access.
Affected Systems and Versions
The vulnerability affects Lenovo BIOS firmware on the Ideapad Y700-14ISK laptops running various versions.
Exploitation Mechanism
Attackers with high privileges can exploit this vulnerability locally to tamper with the secure boot settings, potentially compromising the system's security.
Mitigation and Prevention
Learn how to protect against CVE-2022-3432 to safeguard your system and data.
Immediate Steps to Take
To mitigate the risk, update the system firmware to the recommended version or newer as detailed in the Lenovo product Impact section.
Long-Term Security Practices
Regularly update your system firmware and follow security best practices to prevent vulnerabilities like CVE-2022-3432.
Patching and Updates
Stay informed about security patches and updates released by Lenovo to address vulnerabilities and enhance system security.