PT-2023-1512 · Microsoft · Windows

Nick Landers · Published 2023-02-14 · Updated 2024-05-29 · CVE-2023-21817

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 (affected versions not specified)

Description The issue is caused by a buffer overflow in the Kerberos protocol implementation in the Windows operating system. This allows an attacker to execute arbitrary code with SYSTEM privileges. An elevation-of-privilege vulnerability exists, enabling attackers to affect the system.

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

Exploit

LPE

Buffer Overflow

Improper Authentication

Weakness Enumeration

CWE-119

CWE-287

Related Identifiers

BDU:2023-00954

CVE-2023-21817

Affected Products

Windows

References · 10

• 🔥 https://github.com/MzHmO/Exploit-Street/tree/main/2023/CVE-2023-21817 · Exploit
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21817 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21817 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00954 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21817 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21817 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21817 · Vendor Advisory
• https://t.me/poxek/2815 · Telegram Post
• https://t.me/cybersecuritytechnologies/8109 · Telegram Post
• https://t.me/offensivetwitter/1788 · Telegram Post