CVE-2019-1174 : Exploit Details and Defense Strategies
Learn about CVE-2019-1174, a Windows vulnerability allowing elevation of privilege. Find affected systems and versions, exploitation details, and mitigation steps.
Windows Elevation of Privilege Vulnerability
Understanding CVE-2019-1174
What is CVE-2019-1174?
The PsmServiceExtHost.dll in Windows has a vulnerability allowing an elevation of privilege, distinct from other CVE IDs.
The Impact of CVE-2019-1174
This vulnerability could be exploited to gain elevated privileges on affected systems.
Technical Details of CVE-2019-1174
Vulnerability Description
The vulnerability lies in the handling of objects in memory by PsmServiceExtHost.dll.
Affected Systems and Versions
- Windows 10 Version 1809 for 32-bit, x64-based, and ARM64-based Systems
- Windows Server 2019 and 2019 (Core installation)
- Windows 10 Version 1903 for 32-bit, x64-based, and ARM64-based Systems
- Windows Server, version 1903 (Server Core installation)
Exploitation Mechanism
The vulnerability allows attackers to execute arbitrary code with elevated privileges.
Mitigation and Prevention
Immediate Steps to Take
- Apply security updates provided by Microsoft promptly.
- Monitor for any unusual system behavior indicating exploitation.
Long-Term Security Practices
- Implement the principle of least privilege to limit access rights.
- Regularly update and patch systems to address vulnerabilities.
Patching and Updates
Ensure all affected systems are updated with the latest security patches from Microsoft.