CVE-2023-28252: Windows Common Log File System Driver Elevation of Privilege Vulnerability

Overview

Severity
High (CVSS 7.8)
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:F/RL:O/RC:C
Category
Elevation of Privilege
Exploit Status
Actively Exploited
Exploitation Likelihood
Detected
Patch Tuesday
2023-Apr
Released
2023-04-11
EPSS Score
53.71% (percentile: 98.0%)
CISA KEV
Listed — due 2023-05-02

FAQ

What privileges could be gained by an attacker who successfully exploited this vulnerability? An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.

Known Exploits (4)

  • Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability — added 2024-06-16T12:35:57Z
  • Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability — added 2024-03-21T16:16:52Z
  • Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability — added 2024-01-22T10:38:02Z
  • Microsoft Windows Common Log File System (CLFS) Driver Privilege Escalation Vulnerability — added 2023-06-27T12:22:05Z

Detection & Weaponization (2 sources)

Maturity: Exploit

  • Metasploit modules: Windows Common Log File System Driver (clfs.sys) Elevation of Privilege Vulnerability
  • GitHub PoC: 7 repositories

Affected Products (35)

Windows

  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 1809 for ARM64-based Systems
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows 10 Version 20H2 for 32-bit Systems
  • Windows 10 Version 20H2 for ARM64-based Systems
  • Windows 11 version 21H2 for x64-based Systems
  • Windows 11 version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)

ESU

  • Windows Server 2008 for 32-bit Systems Service Pack 2
  • Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 for x64-based Systems Service Pack 2
  • Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1
  • Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)

Security Updates (15)

Acknowledgments

<a href="https://twitter.com/oct0xor">Boris Larin (oct0xor)</a> with <a href="https://www.kaspersky.com/">Kaspersky</a>, <a>Quan Jin</a> with <a href="https://www.dbappsecurity.com.cn/product/cloud250.html/">DBAPPSecurity WeBin Lab</a>, Genwei Jiang with Mandiant

Revision History

  • 2023-04-11: Information published.