PT-2023-1134 · Microsoft · Cryptographic Services+1

Published 2023-01-10 · Updated 2024-05-29 · CVE-2023-21561

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 Microsoft Cryptographic Services (affected versions not specified)

Description The issue is related to insufficient access restrictions in the Microsoft Cryptographic Services for Windows operating systems. It allows an attacker to potentially elevate their privileges using specially crafted data. The vulnerability can be exploited to affect the system.

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

LPE

Integer Overflow

Improper Privilege Management

Weakness Enumeration

CWE-264

CWE-190

CWE-269

Related Identifiers

BDU:2023-00334

CVE-2023-21561

Affected Products

Cryptographic Services

Windows

References · 7

• https://bdu.fstec.ru/vul/2023-00334 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21561 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21561 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21561 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21561 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21561 · Security Note
• https://t.me/cibsecurity/56318 · Telegram Post