PT-2023-2394 · Microsoft · Windows

John Askew · Published 2023-04-11 · Updated 2024-05-29 · CVE-2023-28244

Positive Technologies (AI Summary)

CVSS v3.1

8.1

High

Base vector

AV:N/AC:H/PR:N/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 related to an insecure implementation of the Kerberos protocol in Windows, specifically involving the use of the RC4 encryption algorithm with the MD4 hash function. This can be exploited by a remote attacker to perform a "man-in-the-middle" attack and elevate their privileges. The 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.

Use of a Broken Cryptographic Algorithm

Weakness Enumeration

CWE-264

CWE-327

Related Identifiers

BDU:2023-02177

CVE-2023-28244

Affected Products

Windows

References · 8

• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-28244 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-28244 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-02177 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-28244 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-28244 · Security Note
• https://osv.dev/vulnerability/CVE-2023-28244 · Vendor Advisory
• https://t.me/cvenotify/48246 · Telegram Post
• https://cybersecurity-help.cz/vdb/SB2023041151 · Note