Detections
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RHEL 8 : dotnet5.0 (RHSA-2021:0094)

high Nessus Plugin ID 144931

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Synopsis

The remote Red Hat host is missing a security update.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by a vulnerability as referenced in the RHSA-2021:0094 advisory.

 - dotnet: ASP.NET Core Callbacks outside of locks cause Krestel deadlock when using HTTP2 (CVE-2021-1723)

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-2021-1723

https://access.redhat.com/errata/RHSA-2021:0094

https://bugzilla.redhat.com/1914258

Plugin Details

Severity: High

ID: 144931

File Name: redhat-RHSA-2021-0094.nasl

Version: 1.10

Type: local

Agent: unix

Published: 1/13/2021

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: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-1723

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:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.4, cpe:/o:redhat:rhel_tus:8.6, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-5.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-targeting-pack-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet, p-cpe:/a:redhat:enterprise_linux:dotnet-apphost-pack-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-host, p-cpe:/a:redhat:enterprise_linux:dotnet-hostfxr-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-targeting-pack-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-templates-5.0, p-cpe:/a:redhat:enterprise_linux: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: 1/13/2021

Vulnerability Publication Date: 1/12/2021

Reference Information

CVE: CVE-2021-1723

CWE: 833

IAVA: 2021-A-0021

RHSA: 2021:0094