Detections
Analytics

CentOS 8 : .NET 5.0 (CESA-2022:0495)

high Nessus Plugin ID 158086

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Synopsis

The remote CentOS host is missing a security update.

Description

The remote CentOS Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CESA-2022:0495 advisory.

 - dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service (CVE-2022-21986)

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/errata/RHSA-2022:0495

Plugin Details

Severity: High

ID: 158086

File Name: centos8_RHSA-2022-0495.nasl

Version: 1.3

Type: local

Agent: unix

Published: 2/16/2022

Updated: 3/11/2022

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

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2022-21986

CVSS v3

Risk Factor: High

Base Score: 7.5

Temporal Score: 6.5

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

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

Vulnerability Information

CPE: cpe:/o:centos:centos:8-stream, p-cpe:/a:centos:centos:dotnet-targeting-pack-5.0, p-cpe:/a:centos:centos:dotnet-sdk-5.0-source-built-artifacts, p-cpe:/a:centos:centos:dotnet-templates-5.0, p-cpe:/a:centos:centos:dotnet-sdk-5.0, p-cpe:/a:centos:centos:aspnetcore-targeting-pack-5.0, p-cpe:/a:centos:centos:dotnet-hostfxr-5.0, p-cpe:/a:centos:centos:dotnet-runtime-5.0, p-cpe:/a:centos:centos:dotnet-apphost-pack-5.0, p-cpe:/a:centos:centos:aspnetcore-runtime-5.0

Required KB Items: Host/local_checks_enabled, Host/CentOS/release, Host/CentOS/rpm-list, Host/cpu

Exploit Ease: No known exploits are available

Patch Publication Date: 2/9/2022

Vulnerability Publication Date: 2/8/2022

Reference Information

CVE: CVE-2022-21986

IAVA: 2022-A-0064-S, 2022-A-0078-S

RHSA: 2022:0495