Security Updates for Microsoft .NET core (April 2023)

high Nessus Plugin ID 174219

Synopsis

The Microsoft .NET core installations on the remote host are affected by a remote code execution vulnerability.

Description

A remote code execution vulnerability exists in .NET core 6.0 < 6.0.16 and .NET Core 7.0 < 7.0.5. This vulnerability exists due to how .NET running on Windows where a runtime DLL can be loaded from an unexpected location, resulting in remote code execution.

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 6.0.16 or 7.0.5.

See Also

https://github.com/advisories/GHSA-w4m3-43gp-x8hx

http://www.nessus.org/u?b9ab4ed7

Plugin Details

Severity: High

ID: 174219

File Name: smb_nt_ms23_apr_dotnet_core.nasl

Version: 1.6

Type: local

Agent: windows

Family: Windows

Published: 4/13/2023

Updated: 1/16/2024

Supported Sensors: Frictionless Assessment Agent, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5

Vector: CVSS2#AV:L/AC:L/Au:S/C:C/I:C/A:C

CVSS Score Source: CVE-2023-28260

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

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

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

Vulnerability Information

CPE: cpe:/a:microsoft:.net_core

Exploit Ease: No known exploits are available

Patch Publication Date: 4/11/2023

Vulnerability Publication Date: 4/11/2023

Reference Information

CVE: CVE-2023-28260

IAVA: 2023-A-0185-S