CVE-2019-0972 : Vulnerability Insights and Analysis
Learn about CVE-2019-0972, a vulnerability in LSASS that allows denial of service attacks. Find affected systems and versions, exploitation details, and mitigation steps.
This security update addresses a vulnerability in the Local Security Authority Subsystem Service (LSASS) that can lead to a denial of service attack. The vulnerability arises when an authenticated attacker sends a specific authentication request to disrupt the LSASS.
Understanding CVE-2019-0972
This CVE identifier pertains to a denial of service vulnerability in the LSASS service.
What is CVE-2019-0972?
The CVE-2019-0972 vulnerability targets the Local Security Authority Subsystem Service (LSASS) and can be exploited by an authenticated attacker to cause a denial of service by sending a malicious authentication request.
The Impact of CVE-2019-0972
The vulnerability can result in a denial of service attack on systems running affected versions of Windows and Windows Server. An attacker can disrupt the LSASS service, impacting system availability and performance.
Technical Details of CVE-2019-0972
This section provides technical insights into the CVE-2019-0972 vulnerability.
Vulnerability Description
The vulnerability in LSASS can be exploited by sending a crafted authentication request, leading to a denial of service condition.
Affected Systems and Versions
The following products and versions are affected by CVE-2019-0972:
- Windows 7, 8.1, 10
- Windows Server 2008, 2012, 2016, 2019
- Windows 10 Version 1903
Exploitation Mechanism
The vulnerability is exploited by authenticated attackers sending specially designed authentication requests to disrupt the LSASS service.
Mitigation and Prevention
To address CVE-2019-0972, follow these mitigation strategies:
Immediate Steps to Take
- Apply the security update provided by Microsoft.
- Monitor network traffic for any suspicious activity targeting LSASS.
Long-Term Security Practices
- Implement strong authentication mechanisms to prevent unauthorized access.
- Regularly update and patch systems to protect against known vulnerabilities.
Patching and Updates
Ensure that all affected systems are updated with the latest security patches from Microsoft.