#VU67272 Input validation error in Windows Server and Windows


Published: 2022-09-13

Vulnerability identifier: #VU67272

Vulnerability risk: High

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

CVE-ID: CVE-2022-30196

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

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

Vendor: Microsoft

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 Secure Channel. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack or disclose a single byte of kernel memory.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Windows Server: 2003 - 2022 20H2

Windows: 10 - 10 S, 11 - 11 21H2, 7 - 7 SP1, 8.1 - 8.1 RT, 8 - 8 RT, 2000, XP, Vista


External links
http://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2022-30196


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