Multiple vulnerabilities in Microsoft Windows Kerberos

Published: 2022-09-13 | Updated: 2022-11-30

Risk	High
Patch available	YES
Number of vulnerabilities	2
CVE-ID	CVE-2022-33679 CVE-2022-33647
CWE-ID	CWE-264
Exploitation vector	Network
Public exploit	Public exploit code for vulnerability #1 is available.
Vulnerable software Subscribe	Windows Server Operating systems & Components / Operating system
Vendor	Microsoft

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU67274

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-33679

CWE-ID:

Exploit availability:

Description

The vulnerability allows a remote attacker to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in the Windows Kerberos. A remote attacker can perform a man-in-the-middle attack, leading to security restrictions bypass and privilege escalation.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2003 - 2022 20H2

Fixed software versions

CPE2.3

cpe:2.3:o:microsoft:windows_server:2022:20H2:*:*:*:*:*:*

External links

http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-33679
http://bugs.chromium.org/p/project-zero/issues/detail?id=2310

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) Permissions, Privileges, and Access Controls

EUVDB-ID: #VU67276