Security features bypass in Microsoft Active Directory Federation Service

1) Security features bypass

EUVDB-ID: #VU78220

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:P/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2023-35348

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a local user to compromise the target system.

The vulnerability exists due to security features bypass in Active Directory Federation Service. A local administrator can craft a long-lived assertion using the Windows Hello for Business Key from the victim's device.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2016 10.0.14393.10 - 2022 10.0.20348.202

CPE2.3

• cpe:2.3:o:microsoft:windows_server:2016:10.0.14393.10:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019:10.0.17763.1:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_20H2:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_1709:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_1803:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_1903:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_1909:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2019_2004:*:*:*:*:*:*:*
• cpe:2.3:o:microsoft:windows_server:2022:10.0.20348.202:*:*:*:*:*:*

External links

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-35348

Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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