PT-2023-1463 · Microsoft · Windows+1

Jarvis_1Oop · Published 2023-02-14 · Updated 2024-05-29 · CVE-2023-21695

Positive Technologies (AI Summary)

CVSS v3.1

8.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Protected Extensible Authentication Protocol (PEAP) (affected versions not specified)

Description The issue is related to insufficient input validation in the implementation of the Protected Extensible Authentication Protocol (PEAP) in Windows operating systems. This can be exploited by a remote attacker to execute arbitrary code by sending specially crafted PEAP packets. The vulnerability allows remote attackers to execute arbitrary code and affect the system.

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

RCE

Heap Based Buffer Overflow

Weakness Enumeration

CWE-20

CWE-122

Related Identifiers

BDU:2023-00870

CVE-2023-21695

Affected Products

Peap

Windows

References · 9

• https://safe-surf.ru/specialists/bulletins-nkcki/690101 · Security Note
• https://bdu.fstec.ru/vul/2023-00870 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21695 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21695 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21695 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21695 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2023-21695 · Security Note
• https://cybersecurity-help.cz/vdb/SB2023021436 · Note
• https://t.me/cibsecurity/58159 · Telegram Post