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RHEL 8 : .NET 6.0 (RHSA-2022:0496)

high Nessus Plugin ID 157875

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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-2022:0496 advisory.

 - dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service (CVE-2022-21986)

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

http://www.nessus.org/u?3c818058

https://access.redhat.com/security/updates/classification/#important

https://access.redhat.com/errata/RHSA-2022:0496

https://bugzilla.redhat.com/show_bug.cgi?id=2051490

Plugin Details

Severity: High

ID: 157875

File Name: redhat-RHSA-2022-0496.nasl

Version: 1.11

Type: local

Agent: unix

Published: 2/10/2022

Updated: 4/28/2024

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-2022-21986

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: p-cpe:/a:redhat:enterprise_linux:dotnet-targeting-pack-6.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-6.0, p-cpe:/a:redhat:enterprise_linux:dotnet, p-cpe:/a:redhat:enterprise_linux:dotnet-apphost-pack-6.0, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-6.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-6.0, p-cpe:/a:redhat:enterprise_linux:dotnet6.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-targeting-pack-6.0, p-cpe:/a:redhat:enterprise_linux:dotnet-templates-6.0, p-cpe:/a:redhat:enterprise_linux:netstandard-targeting-pack-2.1, p-cpe:/a:redhat:enterprise_linux:dotnet-hostfxr-6.0, p-cpe:/a:redhat:enterprise_linux:dotnet-host, cpe:/o:redhat:enterprise_linux:8

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: 2/9/2022

Vulnerability Publication Date: 2/8/2022

Reference Information

CVE: CVE-2022-21986

CWE: 770

IAVA: 2022-A-0078-S, 2022-A-0101

RHSA: 2022:0496