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

Synopsis:          Moderate: .NET 6.0 security update
Advisory ID:       RHSA-2023:5143-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:5143
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 9.

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:

Red Hat Enterprise Linux AppStream (v. 9) - aarch64, s390x, x86_64
Red Hat Enterprise Linux CRB (v. 9) - aarch64, s390x, 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.

4. Solution:

Before applying this update, make sure all previously released errata
relevant to your system have been applied.

For details on how to apply this update, 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:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
dotnet6.0-6.0.122-1.el9_2.src.rpm

aarch64:
aspnetcore-runtime-6.0-6.0.22-1.el9_2.aarch64.rpm
aspnetcore-targeting-pack-6.0-6.0.22-1.el9_2.aarch64.rpm
dotnet-apphost-pack-6.0-6.0.22-1.el9_2.aarch64.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm
dotnet-hostfxr-6.0-6.0.22-1.el9_2.aarch64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm
dotnet-runtime-6.0-6.0.22-1.el9_2.aarch64.rpm
dotnet-runtime-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm
dotnet-sdk-6.0-6.0.122-1.el9_2.aarch64.rpm
dotnet-sdk-6.0-debuginfo-6.0.122-1.el9_2.aarch64.rpm
dotnet-targeting-pack-6.0-6.0.22-1.el9_2.aarch64.rpm
dotnet-templates-6.0-6.0.122-1.el9_2.aarch64.rpm
dotnet6.0-debuginfo-6.0.122-1.el9_2.aarch64.rpm
dotnet6.0-debugsource-6.0.122-1.el9_2.aarch64.rpm

s390x:
aspnetcore-runtime-6.0-6.0.22-1.el9_2.s390x.rpm
aspnetcore-targeting-pack-6.0-6.0.22-1.el9_2.s390x.rpm
dotnet-apphost-pack-6.0-6.0.22-1.el9_2.s390x.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm
dotnet-hostfxr-6.0-6.0.22-1.el9_2.s390x.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm
dotnet-runtime-6.0-6.0.22-1.el9_2.s390x.rpm
dotnet-runtime-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm
dotnet-sdk-6.0-6.0.122-1.el9_2.s390x.rpm
dotnet-sdk-6.0-debuginfo-6.0.122-1.el9_2.s390x.rpm
dotnet-targeting-pack-6.0-6.0.22-1.el9_2.s390x.rpm
dotnet-templates-6.0-6.0.122-1.el9_2.s390x.rpm
dotnet6.0-debuginfo-6.0.122-1.el9_2.s390x.rpm
dotnet6.0-debugsource-6.0.122-1.el9_2.s390x.rpm

x86_64:
aspnetcore-runtime-6.0-6.0.22-1.el9_2.x86_64.rpm
aspnetcore-targeting-pack-6.0-6.0.22-1.el9_2.x86_64.rpm
dotnet-apphost-pack-6.0-6.0.22-1.el9_2.x86_64.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.22-1.el9_2.x86_64.rpm
dotnet-hostfxr-6.0-6.0.22-1.el9_2.x86_64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.22-1.el9_2.x86_64.rpm
dotnet-runtime-6.0-6.0.22-1.el9_2.x86_64.rpm
dotnet-runtime-6.0-debuginfo-6.0.22-1.el9_2.x86_64.rpm
dotnet-sdk-6.0-6.0.122-1.el9_2.x86_64.rpm
dotnet-sdk-6.0-debuginfo-6.0.122-1.el9_2.x86_64.rpm
dotnet-targeting-pack-6.0-6.0.22-1.el9_2.x86_64.rpm
dotnet-templates-6.0-6.0.122-1.el9_2.x86_64.rpm
dotnet6.0-debuginfo-6.0.122-1.el9_2.x86_64.rpm
dotnet6.0-debugsource-6.0.122-1.el9_2.x86_64.rpm

Red Hat Enterprise Linux CRB (v. 9):

aarch64:
dotnet-apphost-pack-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm
dotnet-runtime-6.0-debuginfo-6.0.22-1.el9_2.aarch64.rpm
dotnet-sdk-6.0-debuginfo-6.0.122-1.el9_2.aarch64.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.122-1.el9_2.aarch64.rpm
dotnet6.0-debuginfo-6.0.122-1.el9_2.aarch64.rpm
dotnet6.0-debugsource-6.0.122-1.el9_2.aarch64.rpm

s390x:
dotnet-apphost-pack-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm
dotnet-runtime-6.0-debuginfo-6.0.22-1.el9_2.s390x.rpm
dotnet-sdk-6.0-debuginfo-6.0.122-1.el9_2.s390x.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.122-1.el9_2.s390x.rpm
dotnet6.0-debuginfo-6.0.122-1.el9_2.s390x.rpm
dotnet6.0-debugsource-6.0.122-1.el9_2.s390x.rpm

x86_64:
dotnet-apphost-pack-6.0-debuginfo-6.0.22-1.el9_2.x86_64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.22-1.el9_2.x86_64.rpm
dotnet-runtime-6.0-debuginfo-6.0.22-1.el9_2.x86_64.rpm
dotnet-sdk-6.0-debuginfo-6.0.122-1.el9_2.x86_64.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.122-1.el9_2.x86_64.rpm
dotnet6.0-debuginfo-6.0.122-1.el9_2.x86_64.rpm
dotnet6.0-debugsource-6.0.122-1.el9_2.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.
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