Denial of service in Microsoft Windows Lightweight Directory Access Protocol (LDAP)

1) Input validation error

EUVDB-ID: #VU86425

Risk: Medium

CVSSv3.1: 5.7 [CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2024-21356

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input in the Windows Lightweight Directory Access Protocol (LDAP). A remote user can pass specially crafted input to the application and perform a denial of service (DoS) attack.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows: 10 - 11 23H2 10.0.22631.2428

Windows Server: 2008 - 2022 23H2

CPE2.3

• cpe:2.3:o:microsoft:windows:10 1809:10.0.17763.1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11 21H2:10.0.22000.194:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1607:10.0.14393.10:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 22H2:10.0.19045.2130:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10:1706:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 21H2:10.0.19044.1288:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 21H1:10.0.19043.985:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10:S:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1507:10.0.10240.16405:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 20H2:10.0.19042.572:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10:Mobile:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 2004:10.0.19041.264:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1909:10.0.18363.476:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1903:10.0.18362.116:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1803:10.0.17134.48:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1709:10.0.16299.19:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1703:10.0.15063.138:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10 1511:10.0.10586.3:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:10:Gold:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11 23H2:10.0.22631.2428:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows:11 22H2:10.0.22621.521:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2022:10.0.20348.202:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:*

External links

http://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21356

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.