PT-2023-1532 · Microsoft · Windows Secure Channel+1

Andrei Popov + 2 · Published 2023-02-14 · Updated 2024-05-29 · CVE-2023-21818

Positive Technologies (AI Summary)

CVSS v2.0

7.8

High

Base vector

AV:N/AC:L/Au:N/C:N/I:N/A:C

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

Description The issue exists due to insufficient input validation in the Windows Secure Channel component of the Windows operating system. Exploitation of this issue may allow a remote attacker to cause a denial of service.

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

DoS

RCE

Weakness Enumeration

CWE-20

Related Identifiers

BDU:2023-00975

CVE-2023-21818

Affected Products

Windows

Windows Secure Channel

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2023-21818 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21818 · Vendor Advisory
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21818 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21818 · Security Note
• https://bdu.fstec.ru/vul/2023-00975 · Security Note
• https://osv.dev/vulnerability/CVE-2023-21818 · Vendor Advisory
• https://cybersecurity-help.cz/vdb/SB2023021502 · Note
• https://t.me/cibsecurity/58173 · Telegram Post