Security Updates for Microsoft .NET core (March 2022)

medium Nessus Plugin ID 158744

Synopsis

The Microsoft .NET core installations on the remote host are affected by multiple vulnerabilities.

Description

The Microsoft .NET core installations on the remote host are missing security updates. It is, therefore, affected by multiple vulnerabilities:

- A denial of service (DoS) vulnerability. An attacker can exploit this issue to cause the affected component to deny system or application services. (CVE-2022-24464)

- A remote code execution vulnerability. An attacker can exploit this to bypass authentication and execute unauthorized arbitrary commands. (CVE-2020-8927, CVE-2022-24512)

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Update .NET Core Runtime to version 3.1.23, 5.0.15 or 6.0.3.

See Also

https://dotnet.microsoft.com/download/dotnet/3.1

https://dotnet.microsoft.com/download/dotnet/5.0

https://dotnet.microsoft.com/download/dotnet/6.0

https://github.com/dotnet/announcements/issues/210

http://www.nessus.org/u?56caba70

http://www.nessus.org/u?95177a8e

http://www.nessus.org/u?96c2a71d

Plugin Details

Severity: Medium

ID: 158744

File Name: smb_nt_ms22_mar_dotnet_core.nasl

Version: 1.7

Type: local

Agent: windows, macosx, unix

Family: Misc.

Published: 3/9/2022

Updated: 4/18/2023

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2022-24512

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L

Temporal Vector: CVSS:3.0/E:U/RL:O/RC:C

CVSS Score Source: CVE-2020-8927

Vulnerability Information

CPE: cpe:/a:microsoft:.net_core

Exploit Ease: No known exploits are available

Patch Publication Date: 3/8/2022

Vulnerability Publication Date: 8/27/2020

Reference Information

CVE: CVE-2020-8927, CVE-2022-24464, CVE-2022-24512

IAVA: 2022-A-0106-S