CVE-2022-37998 : Security Advisory and Response
Learn about CVE-2022-37998, a Denial of Service vulnerability in Windows Local Session Manager (LSM) impacting multiple Microsoft Windows versions. Understand the impact, affected systems, and mitigation strategies.
A detailed look into the Windows Local Session Manager (LSM) Denial of Service Vulnerability affecting various Microsoft Windows versions.
Understanding CVE-2022-37998
This section delves into the impact, technical details, and mitigation strategies related to CVE-2022-37998.
What is CVE-2022-37998?
CVE-2022-37998 is a Denial of Service vulnerability found in Windows Local Session Manager (LSM). This vulnerability could allow an attacker to disrupt services and cause the system to become unresponsive.
The Impact of CVE-2022-37998
The impact of this vulnerability is rated as HIGH with a CVSS base score of 7.7 according to the Common Vulnerability Scoring System (CVSS) version 3.1. A successful exploit could result in service disruption and a denial of service condition.
Technical Details of CVE-2022-37998
Understanding the vulnerability description, affected systems, and the exploitation mechanism.
Vulnerability Description
The vulnerability lies in the Windows Local Session Manager (LSM) and could be exploited to trigger a denial of service condition by sending a specially crafted request to the target system.
Affected Systems and Versions
Various Microsoft Windows versions are affected, including Windows 10 Version 21H1, Windows Server 2022, Windows 10 Version 20H2, Windows 11 versions 21H2 and 22H2. Specific version ranges are mentioned for each affected product.
Exploitation Mechanism
The exploitation involves sending malicious requests to the victim system, causing the Local Session Manager (LSM) to become unresponsive and resulting in a denial of service.
Mitigation and Prevention
Discover the steps to take immediately, recommended security practices, and the importance of patching and updates.
Immediate Steps to Take
Users and system administrators are advised to apply security updates provided by Microsoft promptly. Additionally, monitoring system performance for any signs of abnormal behavior may help detect exploitation attempts.
Long-Term Security Practices
Implementing strong network segmentation, access controls, and regular security training for personnel can enhance overall security posture and mitigate the risk of similar vulnerabilities being exploited.
Patching and Updates
Regularly check for updates from Microsoft and ensure that systems are patched to the latest versions to protect against known vulnerabilities like CVE-2022-37998.