Zero-day vulnerability in Windows

Race condition
CVE-2018-8611

This vulnerability was reported to Microsoft by Kaspersky Lab. It is believed it was used by FruityArmor and SandCat APT groups against companies in the Middle East and Africa.

Vulnerability details

Advisory: SB2018121105 - Privilege escalation in Windows kernel

Vulnerable component: Windows

CVE-ID: CVE-2018-8611

CVSSv3 score: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-362 - Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')

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.

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