RHEL 8 : .NET Core (RHSA-2020:2988)

high Nessus Plugin ID 138842

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-2020:2988 advisory.

- dotnet: XML source markup processing remote code execution (CVE-2020-1147)

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-2020-1147

https://access.redhat.com/errata/RHSA-2020:2988

https://bugzilla.redhat.com/1856929

Plugin Details

Severity: High

ID: 138842

File Name: redhat-RHSA-2020-2988.nasl

Version: 1.14

Type: local

Agent: unix

Published: 7/22/2020

Updated: 4/25/2023

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

Risk Information

VPR

Risk Factor: High

Score: 8.4

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.6

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

CVSS Score Source: CVE-2020-1147

CVSS v3

Risk Factor: High

Base Score: 7.8

Temporal Score: 7.2

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

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

Vulnerability Information

CPE: cpe:/o:redhat:rhel_e4s:8.1, cpe:/o:redhat:rhel_eus:8.1, p-cpe:/a:redhat:enterprise_linux:dotnet-host-fxr-2.1, p-cpe:/a:redhat:enterprise_linux:dotnet-runtime-2.1, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-2.1, p-cpe:/a:redhat:enterprise_linux:dotnet-sdk-2.1.5xx

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: 7/16/2020

Vulnerability Publication Date: 7/14/2020

CISA Known Exploited Vulnerability Due Dates: 5/3/2022

Exploitable With

Core Impact

Metasploit (SharePoint DataSet / DataTable Deserialization)

Reference Information

CVE: CVE-2020-1147

CWE: 502

IAVA: 2020-A-0304-S, 2020-A-0305-S

RHSA: 2020:2988