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

high Nessus Plugin ID 157875

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.

.NET is a managed-software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET that address a security vulnerability are now available. The updated versions are .NET SDK 6.0.102 and .NET Runtime 6.0.2.

Security Fix(es):

* dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service (CVE-2022-219862)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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?2f05fedb

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: 1.12

Type: local

Agent: unix

Published: 2/10/2022

Updated: 11/7/2024

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

Vendor

Vendor Severity: Important

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