#VU67276 Permissions, Privileges, and Access Controls in Windows Server


Published: 2022-09-13 | Updated: 2022-10-03

Vulnerability identifier: #VU67276

Vulnerability 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-2022-33647

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Windows Server
Operating systems & Components / Operating system

Vendor: Microsoft

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


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-33647
http://bugs.chromium.org/p/project-zero/issues/detail?id=2310


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.


Latest bulletins with this vulnerability