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

medium Nessus Plugin ID 152595

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 this issue but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://cwe.mitre.org/data/definitions/532.html

https://cwe.mitre.org/data/definitions/732.html

https://cwe.mitre.org/data/definitions/835.html

https://access.redhat.com/security/cve/CVE-2021-26423

https://access.redhat.com/security/cve/CVE-2021-34485

https://access.redhat.com/security/cve/CVE-2021-34532

https://access.redhat.com/errata/RHSA-2021:3142

https://bugzilla.redhat.com/1990286

https://bugzilla.redhat.com/1990295

https://bugzilla.redhat.com/1990300

Plugin Details

Severity: Medium

ID: 152595

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

Version: 1.4

Type: local

Agent: unix

Published: 8/16/2021

Updated: 10/7/2021

Supported Sensors: Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, 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:redhat:enterprise_linux:8, cpe:/o:redhat:rhel_aus:8.4, cpe:/o:redhat:rhel_e4s:8.4, cpe:/o:redhat:rhel_eus:8.4, cpe:/o:redhat:rhel_tus:8.4, 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: 8/11/2021

Vulnerability Publication Date: 8/10/2021

Reference Information

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

RHSA: 2021:3142

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

CWE: 532, 732, 835