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RHEL 7 : .NET Core 3.1 on Red Hat Enterprise Linux (RHSA-2021:0472)

medium Nessus Plugin ID 146382

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Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0472 advisory.

 - dotnet: certificate chain building recursion Denial of Service (CVE-2021-1721)

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

Solution

Update the affected packages.

See Also

https://access.redhat.com/security/cve/CVE-2021-1721

https://access.redhat.com/errata/RHSA-2021:0472

https://bugzilla.redhat.com/1926918

Plugin Details

Severity: Medium

ID: 146382

File Name: redhat-RHSA-2021-0472.nasl

Version: 1.11

Type: local

Agent: unix

Published: 2/10/2021

Updated: 1/23/2023

Supported Sensors: Frictionless Assessment AWS, Frictionless Assessment Azure, Frictionless Assessment Agent, Nessus Agent, Agentless Assessment, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2021-1721

CVSS v3

Risk Factor: Medium

Base Score: 6.5

Temporal Score: 5.7

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-aspnetcore-runtime-3.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-aspnetcore-targeting-pack-3.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-dotnet, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-dotnet-apphost-pack-3.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-dotnet-host, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-dotnet-hostfxr-3.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-dotnet-runtime-3.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-dotnet-sdk-3.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-dotnet-targeting-pack-3.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-dotnet-templates-3.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet31-netstandard-targeting-pack-2.1

Required KB Items: Host/local_checks_enabled, Host/RedHat/release, Host/RedHat/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 2/10/2021

Vulnerability Publication Date: 2/9/2021

Reference Information

CVE: CVE-2021-1721

CWE: 674

IAVA: 2021-A-0091-S

RHSA: 2021:0472