Oracle Linux 8 : .NET / Core / 3.1 (ELSA-2021-3142)

medium Nessus Plugin ID 152549

Synopsis

The remote Oracle Linux host is missing one or more security updates.

Description

The remote Oracle Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the ELSA-2021-3142 advisory.

- .NET Core and Visual Studio Information Disclosure Vulnerability (CVE-2021-34485)

- ASP.NET Core and Visual Studio Information Disclosure Vulnerability (CVE-2021-34532)

- .NET Core and Visual Studio Denial of Service Vulnerability (CVE-2021-26423)

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://linux.oracle.com/errata/ELSA-2021-3142.html

Plugin Details

Severity: Medium

ID: 152549

File Name: oraclelinux_ELSA-2021-3142.nasl

Version: 1.3

Type: local

Agent: unix

Published: 8/13/2021

Updated: 8/19/2021

Supported Sensors: Frictionless Assessment Agent, Nessus Agent

Risk Information

CVSS Score Source: CVE-2021-34532

VPR

Risk Factor: Low

Score: 3.6

CVSS v2

Risk Factor: Low

Base Score: 2.1

Temporal Score: 1.6

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

Temporal Vector: E:U/RL:OF/RC:C

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: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:oracle:linux:8, p-cpe:/a:oracle:linux:aspnetcore-runtime-3.1, p-cpe:/a:oracle:linux:aspnetcore-targeting-pack-3.1, p-cpe:/a:oracle:linux:dotnet-apphost-pack-3.1, p-cpe:/a:oracle:linux:dotnet-hostfxr-3.1, p-cpe:/a:oracle:linux:dotnet-runtime-3.1, p-cpe:/a:oracle:linux:dotnet-sdk-3.1, p-cpe:/a:oracle:linux:dotnet-targeting-pack-3.1, p-cpe:/a:oracle:linux:dotnet-templates-3.1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 8/13/2021

Vulnerability Publication Date: 8/10/2021

Reference Information

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