RHEL 8 : .NET 5.0 (RHSA-2022:2200)

high Nessus Plugin ID 161081

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

The remote Redhat Enterprise Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2022:2200 advisory.

.NET Core 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 Core that address a security vulnerability are now available. The updated versions are .NET Core SDK 5.0.214 and .NET Core Runtime 5.0.17.

Security Fix(es):

* dotnet: excess memory allocation via HttpClient causes DoS (CVE-2022-23267)

* dotnet: malicious content causes high CPU and memory usage (CVE-2022-29117)

* dotnet: parsing HTML causes Denial of Service (CVE-2022-29145)

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 these issues 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?ed35d118

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

https://access.redhat.com/errata/RHSA-2022:2200

https://bugzilla.redhat.com/show_bug.cgi?id=2083647

https://bugzilla.redhat.com/show_bug.cgi?id=2083649

https://bugzilla.redhat.com/show_bug.cgi?id=2083650

Plugin Details

Severity: High

ID: 161081

File Name: redhat-RHSA-2022-2200.nasl

Version: 1.12

Type: local

Agent: unix

Published: 5/12/2022

Updated: 11/7/2024

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

Vendor

Vendor Severity: Important

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-2022-29145

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:rhel_eus:8.6, p-cpe:/a:redhat:enterprise_linux:aspnetcore-targeting-pack-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-apphost-pack-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-templates-5.0, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-5.0, 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:dotnet5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-targeting-pack-5.0, cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-5.0, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-5.0-source-built-artifacts

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

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/11/2022

Vulnerability Publication Date: 5/10/2022

Reference Information

CVE: CVE-2022-23267, CVE-2022-29117, CVE-2022-29145

CWE: 551, 565, 770

IAVA: 2022-A-0201-S

RHSA: 2022:2200