Detections
Analytics
Security Update for Microsoft .NET Core SDK (February 2024)
high Nessus Plugin ID 190486
Language:
Synopsis
The remote Windows host is affected by multiple Microsoft .NET Core SDK vulnerabilities.Description
The version of .NET Core SDK installed on the remote host is 6.x prior to 6.0.27, 7.x prior to 7.0.16 or 8.x prior to 8.0.2. It is, therefore, affected by multiple vulnerabilities as referenced in the February 2024 advisory:- A vulnerability exists in ASP.NET applications using SignalR where a malicious client can result in a denial-of-service. (CVE-2024-21386)
- A denial-of-service vulnerability exists in .NET with OpenSSL support when parsing X509 certificates.
(CVE-2024-21404)
Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.
Solution
Update .NET Core, remove vulnerable packages and refer to the vendor advisory.See Also
https://dotnet.microsoft.com/en-us/download/dotnet/6.0
https://dotnet.microsoft.com/en-us/download/dotnet/7.0
https://dotnet.microsoft.com/en-us/download/dotnet/8.0
https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2024-21386
https://msrc.microsoft.com/update-guide/en-US/advisory/CVE-2024-21404
http://www.nessus.org/u?c1164fe6
http://www.nessus.org/u?94253799
http://www.nessus.org/u?4010ce73
http://www.nessus.org/u?fa29660f
Plugin Details
Severity: High
ID: 190486
File Name: smb_nt_ms24_feb_dotnet_core_sdk.nasl
Version: 1.4
Type: local
Agent: windows
Family: Windows
Published: 2/13/2024
Updated: 4/8/2024
Configuration: Enable paranoid mode
Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus
Risk Information
VPR
Risk Factor: Medium
Score: 4.4
CVSS v2
Risk Factor: High
Base Score: 7.8
Temporal Score: 5.8
Vector: CVSS2#AV:N/AC:L/Au:N/C:N/I:N/A:C
CVSS Score Source: CVE-2024-21404
CVSS v3
Risk Factor: High
Base Score: 7.5
Temporal Score: 6.5
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C
Vulnerability Information
CPE: cpe:/a:microsoft:.net_core
Required KB Items: Settings/ParanoidReport, installed_sw/.NET Core SDK Windows
Exploit Ease: No known exploits are available
Patch Publication Date: 2/13/2024
Vulnerability Publication Date: 2/13/2024
Reference Information
CVE: CVE-2024-21386, CVE-2024-21404