CVE-2023-4891 Explained : Impact and Mitigation
Learn about CVE-2023-4891, a use-after-free vulnerability in Lenovo View Driver. Impact, affected systems, exploitation, and mitigation steps discussed.
This CVE, assigned by Lenovo, affects the Lenovo View Driver with versions prior to 2.3.18.1. It involves a potential use-after-free vulnerability that could lead to denial of service.
Understanding CVE-2023-4891
This section delves deeper into the details of CVE-2023-4891, its impact, technical description, affected systems, exploitation mechanism, and mitigation steps.
What is CVE-2023-4891?
CVE-2023-4891 is a use-after-free vulnerability in the Lenovo View Driver that has the potential to cause denial of service. It was reported by Aobo Wang of Chaitin Security Research Lab.
The Impact of CVE-2023-4891
The impact of this vulnerability is rated as MEDIUM with a CVSS base score of 5.5. It has a LOW attack complexity, LOCAL attack vector, and HIGH availability impact. The exploitation does not require user interaction and privileges needed are LOW.
Technical Details of CVE-2023-4891
The technical details provide a deeper insight into the vulnerability, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability in the Lenovo View Driver results from a use-after-free issue, potentially leading to a denial of service.
Affected Systems and Versions
This CVE affects Lenovo View Driver versions prior to 2.3.18.1.
Exploitation Mechanism
The vulnerability can be exploited locally with low privileges required, making it crucial to address promptly.
Mitigation and Prevention
To address CVE-2023-4891 and prevent potential exploitation, consider the following mitigation strategies.
Immediate Steps to Take
Upgrade to the latest version of the Lenovo View Driver, specifically version 2.3.18.1 or newer, as outlined in the Lenovo advisory.
Long-Term Security Practices
Maintain regular software updates and security patches to stay protected against known vulnerabilities.
Patching and Updates
Stay informed about security advisories from Lenovo and other software providers to promptly apply patches and updates to secure your systems.