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Red Hat: RHSA-2021-2353-01 Critical: .NET 5.0 Denial of Service Patch

red hat
Calendar Grey June 8, 2021
Dist Redhat Esm H88
Get the most recent critical information regarding .NET 5.0 security patches and bug resolutions for Red Hat Enterprise Linux 8.
An update for .NET 5.0 is now available for Red Hat Enterprise Linux 8

Solution

For details on how to apply this update, which includes the changes described in this advisory, refer to:

https://access.redhat.com/articles/11258

Summary

.NET 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 that address a security vulnerability are now available. The updated versions are .NET SDK 5.0.204 and .NET Runtime 5.0.7.
Security Fix(es):
* dotnet: ASP.NET Core Client Disconnect Denial of Service (CVE-2021-31957)
For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Topics%20covered

Topics Covered

security advisory update DoS security fix Red Hat Enterprise Linux security impact ASP.NET Core

References

https://access.redhat.com/security/cve/CVE-2021-31957 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: dotnet5.0-5.0.204-1.el8_4.src.rpm
x86_64: aspnetcore-runtime-5.0-5.0.7-1.el8_4.x86_64.rpm aspnetcore-targeting-pack-5.0-5.0.7-1.el8_4.x86_64.rpm dotnet-5.0.204-1.el8_4.x86_64.rpm dotnet-apphost-pack-5.0-5.0.7-1.el8_4.x86_64.rpm dotnet-apphost-pack-5.0-debuginfo-5.0.7-1.el8_4.x86_64.rpm dotnet-host-5.0.7-1.el8_4.x86_64.rpm dotnet-host-debuginfo-5.0.7-1.el8_4.x86_64.rpm dotnet-hostfxr-5.0-5.0.7-1.el8_4.x86_64.rpm dotnet-hostfxr-5.0-debuginfo-5.0.7-1.el8_4.x86_64.rpm dotnet-runtime-5.0-5.0.7-1.el8_4.x86_64.rpm dotnet-runtime-5.0-debuginfo-5.0.7-1.el8_4.x86_64.rpm dotnet-sdk-5.0-5.0.204-1.el8_4.x86_64.rpm dotnet-sdk-5.0-debuginfo-5.0.204-1.el8_4.x86_64.rpm dotnet-targeting-pack-5.0-5.0.7-1.el8_4.x86_64.rpm dotnet-templates-5.0-5.0.204-1.el8_4.x86_64.rpm dotnet5.0-debuginfo-5.0.204-1.el8_4.x86_64.rpm dotnet5.0-debugsource-5.0.204-1.el8_4.x86_64.rpm netstandard-targeting-pack-2.1-5.0.204-1.el8_4.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and details on how to verify the signature are available from https://access.redhat.com/security/team/key/


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2021:2353-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2021:2353
Issue date: 2021-06-08

Topic

An update for .NET 5.0 is now available for Red Hat Enterprise Linux 8.Red Hat Product Security has rated this update as having a security impactof Important. A Common Vulnerability Scoring System (CVSS) base score,which gives a detailed severity rating, is available for each vulnerabilityfrom the CVE link(s) in the References section.

Topics%20covered

Topics Covered

security advisory update DoS security fix Red Hat Enterprise Linux security impact ASP.NET Core

Relevant Releases Architectures

Red Hat Enterprise Linux AppStream (v. 8) - x86_64

Bugs Fixed

1966990 - CVE-2021-31957 dotnet: ASP.NET Core Client Disconnect Denial of Service

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