RHEL 7 : .NET Core on Red Hat Enterprise Linux (RHSA-2019:0040)

high Nessus Plugin ID 121143

Synopsis

The remote Red Hat host is missing one or more security updates for .NET Core on Red Hat Enterprise Linux.

Description

The remote Redhat Enterprise Linux 7 host has packages installed that are affected by multiple vulnerabilities as referenced in the RHSA-2019:0040 advisory.

- .NET Core: NCL - SocketsHttpHandler mishandling 1xx response as a final response leads to info disclosure (CVE-2019-0545)

- Asp.NET Core: AspNetCoreModule WebSocket DOS (CVE-2019-0548)

- Asp.NET Core: Kestrel - WebSocket DoS via CancellationToken (CoreFX and ASP.NET) (CVE-2019-0564)

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the RHEL .NET Core on Red Hat Enterprise Linux package based on the guidance in RHSA-2019:0040.

See Also

http://www.nessus.org/u?abace59c

http://www.nessus.org/u?bb9bad83

http://www.nessus.org/u?c1cb22b8

http://www.nessus.org/u?ec9714b3

https://access.redhat.com/errata/RHSA-2019:0040

https://access.redhat.com/security/updates/classification/#moderate

https://bugzilla.redhat.com/show_bug.cgi?id=1660632

https://bugzilla.redhat.com/show_bug.cgi?id=1660634

https://bugzilla.redhat.com/show_bug.cgi?id=1660636

Plugin Details

Severity: High

ID: 121143

File Name: redhat-RHSA-2019-0040.nasl

Version: 1.7

Type: local

Agent: unix

Published: 1/14/2019

Updated: 4/27/2024

Supported Sensors: Agentless Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, 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:P/I:N/A:N

CVSS Score Source: CVE-2019-0545

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:H/I:N/A:N

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

Vulnerability Information

CPE: p-cpe:/a:redhat:enterprise_linux:rh-dotnet21, p-cpe:/a:redhat:enterprise_linux:rh-dotnet21-dotnet, p-cpe:/a:redhat:enterprise_linux:rh-dotnet21-dotnet-host, p-cpe:/a:redhat:enterprise_linux:rh-dotnet21-dotnet-runtime-2.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet21-dotnet-sdk-2.1, p-cpe:/a:redhat:enterprise_linux:rh-dotnet21-dotnet-sdk-2.1.5xx, p-cpe:/a:redhat:enterprise_linux:rh-dotnet21-runtime, p-cpe:/a:redhat:enterprise_linux:rh-dotnet22, p-cpe:/a:redhat:enterprise_linux:rh-dotnet22-dotnet, p-cpe:/a:redhat:enterprise_linux:rh-dotnet22-dotnet-host, p-cpe:/a:redhat:enterprise_linux:rh-dotnet22-dotnet-host-fxr-2.2, p-cpe:/a:redhat:enterprise_linux:rh-dotnet22-dotnet-runtime-2.2, p-cpe:/a:redhat:enterprise_linux:rh-dotnet22-dotnet-sdk-2.2, p-cpe:/a:redhat:enterprise_linux:rh-dotnet22-dotnet-sdk-2.2.1xx, p-cpe:/a:redhat:enterprise_linux:rh-dotnet22-runtime, cpe:/o:redhat:enterprise_linux:7

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: 1/9/2019

Vulnerability Publication Date: 1/8/2019

Reference Information

CVE: CVE-2019-0545, CVE-2019-0548, CVE-2019-0564

CWE: 200, 400

RHSA: 2019:0040