PT-2023-1021 · Microsoft · Windows

Published 2023-01-10 · Updated 2024-05-29 · CVE-2023-21557

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 (affected versions not specified)

Description The issue is related to the implementation of the Lightweight Directory Access Protocol (LDAP) in Microsoft Windows, specifically due to insufficient input validation. This can be exploited by a remote attacker using specially crafted data 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

Resource Exhaustion

RCE

Integer Overflow

Weakness Enumeration

CWE-400

CWE-20

CWE-190

Related Identifiers

BDU:2023-00112

CVE-2023-21557

Affected Products

Windows

References · 6

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-21557 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-21557 · Security Note
• https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2023-21557 · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2023-21557 · Vendor Advisory
• https://bdu.fstec.ru/vul/2023-00112 · Security Note
• https://nvd.nist.gov/vuln/detail/CVE-2023-21557 · Security Note