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Red Hat Enterprise Linux 8 RHSA-2022-0495-01 Critical ASP.NET 5.0 DoS Alert

red hat
Calendar Grey February 9, 2022
Dist Redhat Esm H88
Delve into vital security enhancements and bug rectifications for .NET 5.0 on Red Hat Enterprise Linux, addressing key threats and weaknesses.
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 5.0.211 and .NET Runtime 5.0.14.
Security Fix(es):
* dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service (CVE-2022-219862)
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 denial of service Red Hat security impact ASP.NET bugfix update

References

https://access.redhat.com/security/cve/CVE-2022-219862 https://access.redhat.com/security/updates/classification/#important

Package List

Red Hat Enterprise Linux AppStream (v. 8):
Source: dotnet5.0-5.0.211-1.el8_5.src.rpm
x86_64: aspnetcore-runtime-5.0-5.0.14-1.el8_5.x86_64.rpm aspnetcore-targeting-pack-5.0-5.0.14-1.el8_5.x86_64.rpm dotnet-apphost-pack-5.0-5.0.14-1.el8_5.x86_64.rpm dotnet-apphost-pack-5.0-debuginfo-5.0.14-1.el8_5.x86_64.rpm dotnet-hostfxr-5.0-5.0.14-1.el8_5.x86_64.rpm dotnet-hostfxr-5.0-debuginfo-5.0.14-1.el8_5.x86_64.rpm dotnet-runtime-5.0-5.0.14-1.el8_5.x86_64.rpm dotnet-runtime-5.0-debuginfo-5.0.14-1.el8_5.x86_64.rpm dotnet-sdk-5.0-5.0.211-1.el8_5.x86_64.rpm dotnet-sdk-5.0-debuginfo-5.0.211-1.el8_5.x86_64.rpm dotnet-targeting-pack-5.0-5.0.14-1.el8_5.x86_64.rpm dotnet-templates-5.0-5.0.211-1.el8_5.x86_64.rpm dotnet5.0-debuginfo-5.0.211-1.el8_5.x86_64.rpm dotnet5.0-debugsource-5.0.211-1.el8_5.x86_64.rpm
Red Hat CodeReady Linux Builder (v. 8):
x86_64: dotnet-apphost-pack-5.0-debuginfo-5.0.14-1.el8_5.x86_64.rpm dotnet-hostfxr-5.0-debuginfo-5.0.14-1.el8_5.x86_64.rpm dotnet-runtime-5.0-debuginfo-5.0.14-1.el8_5.x86_64.rpm dotnet-sdk-5.0-debuginfo-5.0.211-1.el8_5.x86_64.rpm dotnet-sdk-5.0-source-built-artifacts-5.0.211-1.el8_5.x86_64.rpm dotnet5.0-debuginfo-5.0.211-1.el8_5.x86_64.rpm dotnet5.0-debugsource-5.0.211-1.el8_5.x86_64.rpm
These packages are GPG signed by Red Hat for security. Our key and

Read the Full Advisory


Severity
important
Lowest
Low
Medium
High
Critical

Advisory ID: RHSA-2022:0495-01
Product: Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2022:0495
Issue date: 2022-02-09

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 denial of service Red Hat security impact ASP.NET bugfix update

Relevant Releases Architectures

Red Hat CodeReady Linux Builder (v. 8) - x86_64

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

Bugs Fixed

2051490 - CVE-2022-219862 dotnet: ASP.NET Core Krestel HTTP headers pooling denial of service

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