Detections
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Alibaba Cloud Linux 3 : 0039: .NET Core 3.1 (ALINUX3-SA-2021:0039)

high Nessus Plugin ID 236757

Synopsis

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

Description

The remote Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2021:0039 advisory.

 Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

 CVE-2021-31957:
 ASP.NET Denial of Service Vulnerability

Tenable has extracted the preceding description block directly from the Alibaba Cloud Linux security advisory.

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

http://mirrors.aliyun.com/alinux/3/cve/alinux3-sa-20210039.xml

Plugin Details

Severity: High

ID: 236757

File Name: alinux3_sa_2021-0039.nasl

Version: 1.1

Type: local

Published: 5/14/2025

Updated: 5/14/2025

Supported Sensors: Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 4.4

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.7

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

CVSS Score Source: CVE-2021-31957

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: p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-sdk-3.1-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:aspnetcore-runtime-3.1, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-hostfxr-3.1-debuginfo, cpe:/o:alibabacloud:alibaba_cloud_linux_3, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-apphost-pack-3.1-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-hostfxr-3.1, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-sdk-3.1, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet3.1-debugsource, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-runtime-3.1, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-targeting-pack-3.1, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:aspnetcore-targeting-pack-3.1, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-templates-3.1, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet3.1-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-runtime-3.1-debuginfo, p-cpe:/a:alibabacloud:alibaba_cloud_linux_3:dotnet-apphost-pack-3.1

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

Exploit Ease: No known exploits are available

Patch Publication Date: 7/14/2021

Vulnerability Publication Date: 6/8/2021

Reference Information

CVE: CVE-2021-31957