CVE-2019-0973 : Security Advisory and Response
Learn about CVE-2019-0973, a Windows Installer vulnerability allowing unauthorized access to higher privileges. Find affected systems and versions, exploitation risks, and mitigation steps.
Windows Installer vulnerability allows unauthorized access to higher privileges due to insufficient input sanitization, enabling attackers to execute arbitrary code with elevated system privileges.
Understanding CVE-2019-0973
What is CVE-2019-0973?
The vulnerability in Windows Installer permits authenticated attackers to gain elevated system privileges by executing arbitrary code.
The Impact of CVE-2019-0973
The 'Windows Installer Elevation of Privilege Vulnerability' can lead to unauthorized access to higher privileges, posing a significant security risk.
Technical Details of CVE-2019-0973
Vulnerability Description
The flaw in Windows Installer arises from inadequate input sanitization, allowing attackers to exploit the system.
Affected Systems and Versions
- Windows 7, 8.1, RT 8.1, 10 (multiple versions)
- Windows Server 2008, 2012, 2016, 2019 (multiple versions)
- Windows 10 Version 1903 (32-bit, x64-based, ARM64-based)
Exploitation Mechanism
Attackers with local authentication can leverage the vulnerability to execute malicious code with elevated system privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates promptly
- Monitor system logs for suspicious activities
- Implement the principle of least privilege
Long-Term Security Practices
- Conduct regular security audits
- Educate users on safe computing practices
- Employ network segmentation to limit attack surfaces
Patching and Updates
Regularly check for and install security patches and updates to mitigate the risk of exploitation.