PT-2023-6945 · Microsoft · Windows Server 2022+5

Ouyang Fei · Published 2023-11-14 · Updated 2024-05-29 · CVE-2023-36394

Positive Technologies (AI Summary)

CVSS v3.1

7.0

High

Base vector

AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Windows Search Service versions prior to the fixed version

Description The issue is related to synchronization errors when using a shared resource, specifically a "race condition" situation. This can allow an attacker to elevate their privileges. The estimated number of potentially affected devices is not specified. There are reports of real-world incidents where this issue was exploited, with a threat actor claiming to sell an exploit for this vulnerability. The exploit allegedly works on Windows 10-11 and servers 2019-2022.

Recommendations For versions prior to the fixed version, update to the latest version to resolve the issue. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Race Condition

Link Following

Weakness Enumeration

CWE-362

CWE-59

Related Identifiers

BDU:2023-07964

CVE-2023-36394

Affected Products

Windows

Windows 10

Windows 11

Windows Search Service

Windows Server 2019

Windows Server 2022

References · 10

• https://bdu.fstec.ru/vul/2023-07964 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-36394 · Security Note
• https://osv.dev/vulnerability/CVE-2023-36394 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36394 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-36394 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-36394 · Security Note
• https://t.me/cvenotify/60792 · Telegram Post
• https://twitter.com/CVEnew/status/1724491763329449996 · Twitter Post
• https://twitter.com/DailyDarkWeb/status/1732112609342595406 · Twitter Post
• https://cybersecurity-help.cz/vdb/SB2023111461 · Note