RHEL 8 : dotnet3.1 (RHSA-2021:0790)

high Nessus Plugin ID 147365

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-2021:0790 advisory.

- dotnet: System.Text.Encodings.Web Remote Code Execution (CVE-2021-26701)

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-2021-26701

https://access.redhat.com/errata/RHSA-2021:0790

https://bugzilla.redhat.com/1933740

Plugin Details

Severity: High

ID: 147365

File Name: redhat-RHSA-2021-0790.nasl

Version: 1.10

Type: local

Agent: unix

Published: 3/10/2021

Updated: 1/11/2024

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

Risk Information

VPR

Risk Factor: High

Score: 7.4

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

CVSS Score Source: CVE-2021-26701

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.1

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

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

Vulnerability Information

CPE: cpe:/o:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_aus:8.6, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_e4s:8.6, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_eus:8.6, cpe:/o:redhat:rhel_tus:8.4, cpe:/o:redhat:rhel_tus:8.6, 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

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: 3/9/2021

Vulnerability Publication Date: 2/9/2021

Reference Information

CVE: CVE-2021-26701

CWE: 119

IAVA: 2021-A-0091-S

RHSA: 2021:0790