PT-2023-1446 · Microsoft · Windows

Jarvis_1Oop · Published 2023-02-14 · Updated 2024-05-29 · CVE-2023-21691

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

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

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

Description The issue is related to a buffer overflow in the implementation of the Protected Extensible Authentication Protocol (PEAP) in Windows operating systems. This can be exploited by a remote attacker who sends specially crafted PEAP packets to gain unauthorized access to protected information.

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

Out of bounds Read

Weakness Enumeration

CWE-125

Related Identifiers

BDU:2023-00853

CVE-2023-21691

Affected Products

Windows

References · 10

• https://safe-surf.ru/specialists/bulletins-nkcki/690101 · Security Note
• https://bdu.fstec.ru/vul/2023-00853 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21691 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21691 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21691 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21691 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21691 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2023021436 · Note
• https://t.me/cvenotify/44909 · Telegram Post
• https://t.me/cibsecurity/58155 · Telegram Post