RHEL 8 : .NET Core 3.1 (RHSA-2021:3142)

medium Nessus Plugin ID 152595

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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-2021:3142 advisory.

- dotnet: ASP.NET Core WebSocket frame processing DoS (CVE-2021-26423)

- dotnet: Dump file created world-readable (CVE-2021-34485)

- dotnet: ASP.NET Core JWT token logging (CVE-2021-34532)

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.

Plugin Details

Severity: Medium

ID: 152595

File Name: redhat-RHSA-2021-3142.nasl

Version: 1.9

Type: local

Agent: unix

Family: Red Hat Local Security Checks

Published: 8/16/2021

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: Low

Base Score: 2.1

Temporal Score: 1.6

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

CVSS Score Source: CVE-2021-34532

CVSS v3

Risk Factor: Medium

Base Score: 5.5

Temporal Score: 4.8

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, p-cpe:/a:redhat:enterprise_linux:aspnetcore-runtime-3.1, p-cpe:/a:redhat:enterprise_linux:aspnetcore-targeting-pack-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-apphost-pack-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-hostfxr-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-targeting-pack-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet-templates-3.1, p-cpe:/a:redhat:enterprise_linux:dotnet3.1

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: 8/11/2021

Vulnerability Publication Date: 8/10/2021

Reference Information

CVE: CVE-2021-26423, CVE-2021-34485, CVE-2021-34532

CWE: 532, 732, 835

IAVA: 2021-A-0378-S, 2021-A-0379, 2021-A-0380-S

RHSA: 2021:3142

Detections

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