#VU67272 Input validation error in Windows Server and Windows - CVE-2022-30196

Vulnerability identifier: #VU67272

Vulnerability risk: High

CVSSv4.0: 6.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

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, 2008 R2 SP1 - 2008, 2012 Gold - 2012, 2016 10.0.14393.10, 2019 10.0.17763.1 - 2019 2004, 2022 10.0.20348.202 - 2022 20H2

Windows: Vista, RT, XP, 7 SP1 - 7, 8 RT - 8.1, 10 Gold, 10 Mobile, 10 S, 10 20H2 10.0.19042.572, 10 21H1 10.0.19043.985, 10 21H2 10.0.19044.1288, 10 1507 10.0.10240.16405, 10 1511 10.0.10586.3, 10 1607 10.0.14393.10, 10 1703 10.0.15063.138, 10 1706, 10 1709 10.0.16299.19, 10 1803 10.0.17134.48, 10 1809 10.0.17763.1, 10 1903 10.0.18362.116, 10 1909 10.0.18363.476, 10 2004 10.0.19041.264, 10, 11 21H2 10.0.22000.194, 11, 2000

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

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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.