The vulnerability of the Windows Common Log File System (CLFS) driver in Windows operating systems allows a hacker to gain elevated privileges.

The vulnerability of the Windows Common Log File System CLFS driver in Windows operating systems is related to incorrect handling of symbolic links before accessing the file. Exploiting this vulnerability can allow an attacker to gain increased privileges...

Windows CLFS and five exploits used by ransomware operators (Exploit #3 – October 2022)

This is part four of our study about the Common Log File System CLFS and five vulnerabilities in this Windows OS component that have been used in ransomware attacks throughout the year. Please read the previous parts first if you havent already. You can skip to the other parts using this table of...

PT-2023-9403 · Microsoft · Windows 11 +5

Name of the Vulnerable Software and Affected Versions: Microsoft Windows 10, Windows 11, Windows Server 2016, Windows Server 2019, and Windows Server 2022 affected versions not specified Description: A Denial of Service in the CLFS.sys driver allows a malicious authenticated low-privilege user to...

Buffer Overflow

libzephyr.so is vulnerable to Buffer Overflows. The vulnerability is caused by the CLFS driver. An attacker is able to exploit this vulnerability by sending a specially crafted log file to a vulnerable system. If the log file is processed by the CLFS driver, the buffer overflow can be triggered,...

Microsoft Windows CLFS Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the CLF...

Microsoft Windows CLFS Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the...

Update now! April’s Patch Tuesday includes a fix for one zero-day

Its Patch Tuesday again. Microsoft and other vendors have released their monthly updates. Among a total of 97 patched vulnerabilities there is one actively exploited zero-day. Microsoft classifies a vulnerability as a zero-day if it is publicly disclosed or actively exploited with no official fix...

PT-2023-2243

Name of the Vulnerable Software and Affected Versions Windows Common Log File System Driver affected versions not specified Description The issue is related to an elevation-of-privilege vulnerability in the Windows Common Log File System CLFS Driver. This vulnerability allows attackers to affect...

Unspecified Vulnerability in Microsoft Windows Common Log File System Driver

The Microsoft Windows Common Log File System Driver is Microsoft's Common Log File System CLFS API that provides a high-performance, general-purpose log file subsystem that can be used by specialized client applications and shared by multiple clients to optimize logging and access. access. A...

Microsoft Windows Common Log File System Driver权限提升漏洞

Microsoft Windows Common Log File System Driver is a Microsoft Corporation Common Log File System CLFS API that provides a high-performance, common log file subsystem that can be used by dedicated client applications and shared by multiple clients to optimize log access. An elevation-of-privilege...

Microsoft Windows CLFS Driver Privilege Escalation Vulnerability

Microsoft Windows Common Log File System CLFS Driver contains an unspecified vulnerability that allows for privilege escalation...

Microsoft Windows CLFS Integer Overflow Information Disclosure Vulnerability

This vulnerability allows local attackers to disclose sensitive information on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the...

Vulnerability Spotlight: Privilege escalation in Windows 10 CLFS driver

Marcin “Icewall” Noga of Cisco Talos discovered this vulnerability. Blog by Jon Munshaw. Cisco Talos recently discovered a privilege escalation vulnerability in the Windows 10 Common Log File System. CLFS is a general-purpose logging service that can be used by software clients running in user-mo...

Microsoft Windows Multiple Vulnerabilities (KB4537814)

This host is missing a critical security update according to Microsoft KB4537814 Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This progra...

CVE-2020-0657

An elevation of privilege vulnerability exists when the Windows Common Log File System CLFS driver improperly handles objects in memory, aka 'Windows Common Log File System Driver Elevation of Privilege Vulnerability'...

Windows Common Log File System Driver Information Disclosure Vulnerability

An information disclosure vulnerability exists in the Windows Common Log File System CLFS driver when it fails to properly handle objects in memory. An attacker who successfully exploited this vulnerability could potentially read data that was not intended to be disclosed. Note that this...

KB4537789: Windows 10 Version 1709 February 2020 Security Update

The remote Windows host is missing security update 4537789. It is, therefore, affected by multiple vulnerabilities : - A remote code execution vulnerability exists in the Windows Remote Desktop Client when a user connects to a malicious server. An attacker who successfully exploited this...

KB4532691: Windows 10 Version 1809 and Windows Server 2019 February 2020 Security Update

The remote Windows host is missing security update 4532691. It is, therefore, affected by multiple vulnerabilities : - A remote code execution vulnerability exists in the Windows Remote Desktop Client when a user connects to a malicious server. An attacker who successfully exploited this...

Microsoft Windows CLFS Driver Out-Of-Bounds Read Information Disclosure Vulnerability

This vulnerability allows attackers to disclose sensitive information on affected installations of Microsoft Windows. An attacker must first obtain the ability to execute low-privileged code on the target system in order to exploit this vulnerability. The specific flaw exists within the CLFS...

Microsoft Windows Multiple Vulnerabilities (KB4534293)

This host is missing a critical security update according to Microsoft KB4534293 Copyright C 2020 Greenbone Networks GmbH Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-or-later This progra...