CVE-2022-21998 Windows Common Log File System Driver Information Disclosure Vulnerability.

CVE-2022-21998 Windows Common Log File System Driver Information Disclosure Vulnerability.

This vulnerability is rated as Critical as it can be exploited remotely to get access to critical system data. The Common Log File System Driver is a standard driver that is used in operating systems such as Windows, Linux and UNIX to access various devices, such as hard drives and cameras. If this driver is compromised, it may allow hackers to take advantage of various system functions such as reading and manipulating data to access or modify the system. End-users and system administrators are recommended to keep Common Log File System Driver updated to protect their system from this vulnerability.

To check if this driver is installed and enabled on your system, you may follow these steps: Windows users may follow these steps to check Common Log File System Driver: Go to Start menu and click “Device Manager” option.

In the “Device Manager” window, click “+” sign at the top right corner, select “View” option and click “Update driver” option.

Select “Browse my computer for driver software” option, click “Next” and “Next” again.

Select “Specify these driver details” and click “Next”.

Select “Have Disk” option and click “Next”.

Type “Common Log File System Driver” in the “Filter for selection” option and click “Next”.

Mac OS users may follow these steps to check Common Log File System Driver: Go to Applications option and click “Utilities” option.


In the “Utilities” window, select “System Information” option and click “DriverDetails” option.

In the “DriverDetails” window, enter ‘Common Log File System Driver’ in the search field and click on the first result.

Select the version for your Mac OS and click on Update button.

If you see a yellow exclamation mark or warning icon next to this driver then it indicates that this is an outdated version of Common Log File System Driver. You may update this driver by clicking on Update button again.

Windows OS updates

Updates are available for Windows 10 and can be obtained by visiting the following webpage: https://www.microsoft.com/en-us/software-download/windows10

To check if other updates are available for your operating system, you may follow these steps:
Windows 7: Launch Control Panel applet. In the Control Panel, click “Programs” option to view installed programs and their associated functions. If a program is outdated or not compatible with your current system, it will be displayed in gray color.

Windows 8 or 8.1: Open Settings applet on your computer screen and click “Update & security” option under “System” tab to view installed programs and their associated functions. If a program is outdated or not compatible with your current system, it will be displayed in gray color.

Windows OS Updates

Various updates were released by Microsoft to address the vulnerability. It is recommended that you update your system for protection against this vulnerability.

You can also manually update Common Log File System Driver. You may go to the following link and download the latest version of driver:
www.microsoft.com/en-us/download/details.aspx?id=36772

Check for Common Log File System Driver Using Command Prompt

Windows users may follow these steps to check Common Log File System Driver using command prompt: Type “cmd” in the Start menu and press Enter key.

Type “ipconfig /all” and press Enter.

Look for a section that says “Drivers:” and type “Common Log File System Driver” in the filter box.

If you see an output, your system is already compromised. If you don't see anything, then skip to Step 4.

References

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