#VU60380 Input validation error in Microsoft .NET Core and Visual Studio - CVE-2022-21986
Published: February 8, 2022 / Updated: February 9, 2022
Vulnerability identifier: #VU60380
Vulnerability risk: Medium
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2022-21986
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerable software:
Microsoft .NET Core
Visual Studio
Microsoft .NET Core
Visual Studio
Software vendor:
Microsoft
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 ASP.NET Core Krestel when pooling HTTP/2 and HTTP/3 headers. A remote attacker can pass specially crafted input to the application and perform a denial of service (DoS) attack.
Remediation
Install updates from vendor's website.