Race condition in Windows and Windows Server - CVE-2018-8611

 

Race condition in Windows and Windows Server - CVE-2018-8611

Published: December 11, 2018 / Updated: December 13, 2018


Vulnerability identifier: #VU16457
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:A/U:Green
CVE-ID: CVE-2018-8611
CWE-ID: CWE-362
Exploitation vector: Local access
Exploit availability: The vulnerability is being exploited in the wild
Vendor: Microsoft
Affected software:
Windows
Windows Server

Detailed vulnerability description

The vulnerability allows a local user to execute arbitrary code with elevated privileges.

The vulnerability exists due to a race condition within the Kernel Transaction Manager driver (ntoskrnl.exe) when processing transacted file operations in kernel mode. A local user can create a specially program, and run arbitrary code on the system n kernel mode.

Note: the vulnerability is being exploited in the wild.


How to mitigate CVE-2018-8611

Install updates from vendor's website.

Sources