PT-2023-6946 · Microsoft · Windows

Published 2023-11-14 · Updated 2024-05-29 · CVE-2023-36400

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows (affected versions not specified)

Description The issue is related to the implementation of the HMAC (Hash-based Message Authentication Code) algorithm in Windows, which is associated with insufficient access control when forming a key. This can allow an attacker to bypass security restrictions and elevate their privileges. An elevation-of-privilege vulnerability allows attackers to affect the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

LPE

Improper Access Control

Heap Based Buffer Overflow

Improper Privilege Management

Weakness Enumeration

CWE-284

CWE-264

CWE-122

CWE-269

Related Identifiers

BDU:2023-07965

CVE-2023-36400

Affected Products

Windows

References · 8

• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-36400 · Security Note
• https://osv.dev/vulnerability/CVE-2023-36400 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-07965 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36400 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-36400 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-36400 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2023111439 · Note
• https://twitter.com/CVEnew/status/1724491768991772934 · Twitter Post