PT-2020-3174 · Microsoft · Windows Cryptography Next Generation (Cng) Key Isolation Service+1

Published 2020-07-14 · Updated 2021-07-21 · CVE-2020-1384

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Windows Cryptography Next Generation (CNG) Key Isolation service (affected versions not specified)

Description The issue is related to an elevation of privilege vulnerability that exists due to improper memory handling by the Windows Cryptography Next Generation (CNG) Key Isolation service. This vulnerability can be exploited by an attacker using a specially crafted application to elevate their privileges.

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

Buffer Overflow

Weakness Enumeration

CWE-119

Related Identifiers

BDU:2020-03472

CVE-2020-1384

Affected Products

Windows

Windows Cryptography Next Generation (Cng) Key Isolation Service

References · 7

• https://nvd.nist.gov/vuln/detail/CVE-2020-1384 · Security Note
• https://osv.dev/vulnerability/CVE-2020-1384 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-03472 · Security Note
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1384 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2020-1384 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-1384 · Security Note
• https://cybersecurity-help.cz/vdb/SB2020071454 · Note