A .NET 6.0 security and bug fix update has been released for Red Hat Enterprise Linux 7.

[RHSA-2023:5142-01] Moderate: .NET 6.0 security and bug fix update

=====================================================================
Red Hat Security Advisory

Synopsis: Moderate: .NET 6.0 security and bug fix update
Advisory ID: RHSA-2023:5142-01
Product: .NET Core on Red Hat Enterprise Linux
Advisory URL: https://access.redhat.com/errata/RHSA-2023:5142
Issue date: 2023-09-13
CVE Names: CVE-2023-36799
=====================================================================

1. Summary:

An update for .NET 6.0 is now available for Red Hat Enterprise Linux 7.

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.

2. Relevant releases/architectures:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7) - x86_64
.NET Core on Red Hat Enterprise Linux Server (v. 7) - x86_64
.NET Core on Red Hat Enterprise Linux Workstation (v. 7) - x86_64

3. Description:

.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 6.0.122 and .NET Runtime
6.0.22.

Security Fix(es):

* dotnet: Denial of Service with Client Certificates using .NET Kestrel
(CVE-2023-36799)

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.

Bug Fix(es):

* Update .NET 6.0 to SDK 6.0.122 and Runtime 6.0.22 (BZ#2236895)

4. 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

5. Bugs fixed ( https://bugzilla.redhat.com/):

2237317 - CVE-2023-36799 dotnet: Denial of Service with Client Certificates using .NET Kestrel

6. Package List:

.NET Core on Red Hat Enterprise Linux ComputeNode (v. 7):

Source:
rh-dotnet60-dotnet-6.0.122-1.el7_9.src.rpm

x86_64:
rh-dotnet60-aspnetcore-runtime-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-apphost-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-debuginfo-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-host-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-hostfxr-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-runtime-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-sdk-6.0-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-sdk-6.0-source-built-artifacts-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-targeting-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-templates-6.0-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-netstandard-targeting-pack-2.1-6.0.122-1.el7_9.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Server (v. 7):

Source:
rh-dotnet60-dotnet-6.0.122-1.el7_9.src.rpm

x86_64:
rh-dotnet60-aspnetcore-runtime-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-apphost-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-debuginfo-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-host-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-hostfxr-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-runtime-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-sdk-6.0-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-sdk-6.0-source-built-artifacts-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-targeting-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-templates-6.0-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-netstandard-targeting-pack-2.1-6.0.122-1.el7_9.x86_64.rpm

.NET Core on Red Hat Enterprise Linux Workstation (v. 7):

Source:
rh-dotnet60-dotnet-6.0.122-1.el7_9.src.rpm

x86_64:
rh-dotnet60-aspnetcore-runtime-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-aspnetcore-targeting-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-apphost-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-debuginfo-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-host-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-hostfxr-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-runtime-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-sdk-6.0-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-sdk-6.0-source-built-artifacts-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-targeting-pack-6.0-6.0.22-1.el7_9.x86_64.rpm
rh-dotnet60-dotnet-templates-6.0-6.0.122-1.el7_9.x86_64.rpm
rh-dotnet60-netstandard-targeting-pack-2.1-6.0.122-1.el7_9.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/

7. References:

https://access.redhat.com/security/cve/CVE-2023-36799
https://access.redhat.com/security/updates/classification/#moderate

8. Contact:

The Red Hat security contact is [secalert@redhat.com]. More contact
details at https://access.redhat.com/security/team/contact/

Copyright 2023 Red Hat, Inc.

--