CVE-2024-21386

CVE Details

Release Date:	2024-02-13
Impact:	Important	What is this?

Description

A denial of service vulnerability is present in the .NET applications utilizing SignalR, which a malicious client can exploit. The issue arises from inadequate validation of user-supplied input in .NET. This flaw allows a remote attacker to trigger a denial of service (DoS) attack by providing specially crafted input.

See more information about CVE-2024-21386 from MITRE CVE dictionary and NIST NVD

NOTE: The following CVSS metrics and score provided are preliminary and subject to review.

CVSS v3 metrics

Base Score:	7.5
Vector String:	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version:	3.0
Attack Vector:	Network
Attack Complexity:	Low
Privileges Required:	None
User Interaction:	None
Scope:	Unchanged
Confidentiality Impact:	None
Integrity Impact:	None
Availability Impact:	High

Errata information

Platform	Errata	Release Date
Oracle Linux version 8 (dotnet6.0)	ELSA-2024-0808	2024-02-15
Oracle Linux version 8 (dotnet7.0)	ELSA-2024-0806	2024-02-15
Oracle Linux version 8 (dotnet8.0)	ELSA-2024-0827	2024-02-21
Oracle Linux version 9 (dotnet6.0)	ELSA-2024-0807	2024-02-15
Oracle Linux version 9 (dotnet7.0)	ELSA-2024-0805	2024-02-15
Oracle Linux version 9 (dotnet8.0)	ELSA-2024-0848	2024-02-16