RHEL 7 : dotNET (RHSA-2019:0040)

medium Nessus Plugin ID 121143
New! Vulnerability Priority Rating (VPR)

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VPR Score: 3.6

Synopsis

The remote Red Hat host is missing one or more security updates.

Description

Updates for rh-dotnet21-dotnet and rh-dotnet22-dotnet are now available for .NET Core on Red Hat Enterprise Linux.

Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

.NET Core is a managed software framework. It implements a subset of the .NET framework APIs and several new APIs, and it includes a CLR implementation.

New versions of .NET Core that address security vulnerabilities are now available. The updated versions are .NET Core 2.1.5 and 2.2.1.

Security Fix(es) :

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

* .NET Core: ANCM WebSocket DOS (CVE-2019-0548)

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

For more details about the security issue(s), including the impact, a CVSS score, and other related information, refer to the CVE page(s) listed in the References section.

For more information, please refer to the upstream docs in the References section.

Solution

Update the affected packages.

See Also

https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/

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

https://access.redhat.com/security/cve/cve-2019-0545

https://access.redhat.com/security/cve/cve-2019-0548

https://access.redhat.com/security/cve/cve-2019-0564

Plugin Details

Severity: Medium

ID: 121143

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

Version: 1.6

Type: local

Agent: unix

Published: 1/14/2019

Updated: 2/24/2020

Dependencies: ssh_get_info.nasl

Risk Information

Risk Factor: Medium

VPR Score: 3.6

CVSS v2.0

Base Score: 5

Temporal Score: 3.7

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

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

CVSS v3.0

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: 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-debuginfo, 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-debuginfo, 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

RHSA: 2019:0040