Security features bypass in Microsoft Netlogon RPC



Published: 2022-11-09 | Updated: 2022-12-15
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2022-38023
CWE-ID CWE-254
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Windows Server
Operating systems & Components / Operating system

Vendor Microsoft

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Use of a broken or risky cryptographic algorithm

EUVDB-ID: #VU69151

Risk: High

CVSSv3.1: 7.1 [CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2022-38023

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise the target system.

The vulnerability exists due to security features bypass in Netlogon RPC. A remote attacker can bypass the Netlogon cryptography feature for signing and sealing traffic during Netlogon authentication.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2008 - 2022 20H2

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-38023


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

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



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