RHSA-2023:4448: Important: .NET 6.0 security update

Published Aug 3, 2023
·
Updated

.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 6.0.120 and .NET Runtime 6.0.20.Security Fix(es): dotnet: .NET Kestrel: Denial of Service processing X509 Certificates (CVE-2023-29331) dotnet: vulnerability exists in NuGet where a potential race condition can lead to a symlink attack (CVE-2023-29337) dotnet: Remote Code Execution - Source generators issue can lead to a crash due to unmanaged heap corruption (CVE-2023-33128) dotnet: race condition in Core SignInManager<TUser> PasswordSignInAsync method (CVE-2023-33170) 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.

Affected Software

67 affected componentsFixes available
redhat/dotnet6.0<6.0.120-1.el8_6
6.0.120-1.el8_6
redhat/aspnetcore-runtime<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/aspnetcore-targeting-pack<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet<6.0.120-1.el8_6
6.0.120-1.el8_6
redhat/dotnet-apphost-pack<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet-apphost-pack<6.0-debuginfo-6.0.20-1.el8_6
6.0-debuginfo-6.0.20-1.el8_6
redhat/dotnet-host<6.0.20-1.el8_6
6.0.20-1.el8_6
redhat/dotnet-host-debuginfo<6.0.20-1.el8_6
6.0.20-1.el8_6
redhat/dotnet-hostfxr<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet-hostfxr<6.0-debuginfo-6.0.20-1.el8_6
6.0-debuginfo-6.0.20-1.el8_6
redhat/dotnet-runtime<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet-runtime<6.0-debuginfo-6.0.20-1.el8_6
6.0-debuginfo-6.0.20-1.el8_6
redhat/dotnet-sdk<6.0-6.0.120-1.el8_6
6.0-6.0.120-1.el8_6
redhat/dotnet-sdk<6.0-debuginfo-6.0.120-1.el8_6
6.0-debuginfo-6.0.120-1.el8_6
redhat/dotnet-targeting-pack<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet-templates<6.0-6.0.120-1.el8_6
6.0-6.0.120-1.el8_6
redhat/dotnet6.0-debuginfo<6.0.120-1.el8_6
6.0.120-1.el8_6
redhat/dotnet6.0-debugsource<6.0.120-1.el8_6
6.0.120-1.el8_6
redhat/netstandard-targeting-pack<2.1-6.0.120-1.el8_6
2.1-6.0.120-1.el8_6
redhat/aspnetcore-runtime<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/aspnetcore-targeting-pack<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet<6.0.120-1.el8_6
6.0.120-1.el8_6
redhat/dotnet-apphost-pack<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet-apphost-pack<6.0-debuginfo-6.0.20-1.el8_6
6.0-debuginfo-6.0.20-1.el8_6
redhat/dotnet-host<6.0.20-1.el8_6
6.0.20-1.el8_6
redhat/dotnet-host-debuginfo<6.0.20-1.el8_6
6.0.20-1.el8_6
redhat/dotnet-hostfxr<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet-hostfxr<6.0-debuginfo-6.0.20-1.el8_6
6.0-debuginfo-6.0.20-1.el8_6
redhat/dotnet-runtime<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet-runtime<6.0-debuginfo-6.0.20-1.el8_6
6.0-debuginfo-6.0.20-1.el8_6
redhat/dotnet-sdk<6.0-6.0.120-1.el8_6
6.0-6.0.120-1.el8_6
redhat/dotnet-sdk<6.0-debuginfo-6.0.120-1.el8_6
6.0-debuginfo-6.0.120-1.el8_6
redhat/dotnet-targeting-pack<6.0-6.0.20-1.el8_6
6.0-6.0.20-1.el8_6
redhat/dotnet-templates<6.0-6.0.120-1.el8_6
6.0-6.0.120-1.el8_6
redhat/dotnet6.0-debuginfo<6.0.120-1.el8_6
6.0.120-1.el8_6
redhat/dotnet6.0-debugsource<6.0.120-1.el8_6
6.0.120-1.el8_6
redhat/netstandard-targeting-pack<2.1-6.0.120-1.el8_6
2.1-6.0.120-1.el8_6
redhat/aspnetcore-runtime<6.0-6.0.20-1.el8_6.aa
6.0-6.0.20-1.el8_6.aa
redhat/aspnetcore-targeting-pack<6.0-6.0.20-1.el8_6.aa
6.0-6.0.20-1.el8_6.aa
redhat/dotnet<6.0.120-1.el8_6.aa
6.0.120-1.el8_6.aa
redhat/dotnet-apphost-pack<6.0-6.0.20-1.el8_6.aa
6.0-6.0.20-1.el8_6.aa
redhat/dotnet-apphost-pack<6.0-debuginfo-6.0.20-1.el8_6.aa
6.0-debuginfo-6.0.20-1.el8_6.aa
redhat/dotnet-host<6.0.20-1.el8_6.aa
6.0.20-1.el8_6.aa
redhat/dotnet-host-debuginfo<6.0.20-1.el8_6.aa
6.0.20-1.el8_6.aa
redhat/dotnet-hostfxr<6.0-6.0.20-1.el8_6.aa
6.0-6.0.20-1.el8_6.aa
redhat/dotnet-hostfxr<6.0-debuginfo-6.0.20-1.el8_6.aa
6.0-debuginfo-6.0.20-1.el8_6.aa
redhat/dotnet-runtime<6.0-6.0.20-1.el8_6.aa
6.0-6.0.20-1.el8_6.aa
redhat/dotnet-runtime<6.0-debuginfo-6.0.20-1.el8_6.aa
6.0-debuginfo-6.0.20-1.el8_6.aa
redhat/dotnet-sdk<6.0-6.0.120-1.el8_6.aa
6.0-6.0.120-1.el8_6.aa
redhat/dotnet-sdk<6.0-debuginfo-6.0.120-1.el8_6.aa
6.0-debuginfo-6.0.120-1.el8_6.aa
redhat/dotnet-targeting-pack<6.0-6.0.20-1.el8_6.aa
6.0-6.0.20-1.el8_6.aa
redhat/dotnet-templates<6.0-6.0.120-1.el8_6.aa
6.0-6.0.120-1.el8_6.aa
redhat/dotnet6.0-debuginfo<6.0.120-1.el8_6.aa
6.0.120-1.el8_6.aa
redhat/dotnet6.0-debugsource<6.0.120-1.el8_6.aa
6.0.120-1.el8_6.aa
redhat/netstandard-targeting-pack<2.1-6.0.120-1.el8_6.aa
2.1-6.0.120-1.el8_6.aa
redhat/dotnet-sdk<6.0-source-built-artifacts-6.0.120-1.el8_6
6.0-source-built-artifacts-6.0.120-1.el8_6
redhat/dotnet-sdk<6.0-source-built-artifacts-6.0.120-1.el8_6
6.0-source-built-artifacts-6.0.120-1.el8_6
redhat/dotnet-sdk<6.0-source-built-artifacts-6.0.120-1.el8_6.aa
6.0-source-built-artifacts-6.0.120-1.el8_6.aa
Red Hat Red Hat CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux Server - TUS
Red Hat Red Hat Enterprise Linux Server - AUS
Red Hat Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions
Red Hat Red Hat CodeReady Linux Builder for IBM z Systems - Extended Update Support
Red Hat Red Hat Enterprise Linux for ARM 64 - Extended Update Support

Remediation

Event History

Aug 3, 2023
Advisory Published
via Red Hat·12:00 AM
Data Sourced
via Red Hat·12:00 AM
RemedyDescriptionAffected Software
Advisory Published
07:43 AM
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Frequently Asked Questions

1

What is the severity of RHSA-2023:4448?

The severity of RHSA-2023:4448 is critical due to the potential impact on system security.

2

How do I fix RHSA-2023:4448?

To fix RHSA-2023:4448, update affected packages to the recommended versions, specifically dotnet SDK 6.0.120 and related runtime components.

3

Which products are affected by RHSA-2023:4448?

RHSA-2023:4448 affects several Red Hat products, including Red Hat Enterprise Linux and Red Hat CodeReady Linux Builder.

4

Are there specific package updates mentioned in RHSA-2023:4448?

Yes, the advisory specifies updates for packages like dotnet, aspnetcore-runtime, and dotnet-sdk, among others.

5

What are the recommended actions for users of affected software in RHSA-2023:4448?

Users of affected software should promptly apply the available updates to mitigate any security risks.

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