Detections
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RHEL 7 : .NET 5.0 on RHEL 7 (RHSA-2021:2351)

medium Nessus Plugin ID 150387

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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-2021:2351 advisory.

 - dotnet: ASP.NET Core Client Disconnect Denial of Service (CVE-2021-31957)

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-2021-31957

https://bugzilla.redhat.com/1966990

https://access.redhat.com/errata/RHSA-2021:2351

Plugin Details

Severity: Medium

ID: 150387

File Name: redhat-RHSA-2021-2351.nasl

Version: 1.9

Type: local

Agent: unix

Published: 6/9/2021

Updated: 12/27/2023

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 4.1

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

CVSS Score Source: CVE-2021-31957

CVSS v3

Risk Factor: Medium

Base Score: 5.9

Temporal Score: 5.5

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:7, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-aspnetcore-runtime-5.0, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-aspnetcore-targeting-pack-5.0, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-dotnet, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-dotnet-apphost-pack-5.0, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-dotnet-host, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-dotnet-hostfxr-5.0, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-dotnet-runtime-5.0, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-dotnet-sdk-5.0, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-dotnet-targeting-pack-5.0, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-dotnet-templates-5.0, p-cpe:/a:redhat:enterprise_linux:rh-dotnet50-netstandard-targeting-pack-2.1

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: 6/9/2021

Vulnerability Publication Date: 6/8/2021

Reference Information

CVE: CVE-2021-31957

CWE: 772

IAVA: 2021-A-0274-S, 2021-A-0278-S

RHSA: 2021:2351