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 Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability

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

Synopsis:          Important: .NET 6.0 security, bug fix, and enhancement update
Advisory ID:       RHSA-2023:3581-01
Product:           Red Hat Enterprise Linux
Advisory URL:      https://access.redhat.com/errata/RHSA-2023:3581
Issue date:        2023-06-14
CVE Names:         CVE-2023-24936 CVE-2023-29331 CVE-2023-29337 
                   CVE-2023-33128 
====================================================================
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 Important. 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 6.0.118 and .NET Runtime
6.0.18.

The following packages have been upgraded to a later upstream version:
dotnet6.0 (6.0.118). (BZ#2212379)

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: Bypass restrictions when deserializing a DataSet or DataTable
from XML (CVE-2023-24936)

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:

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/):

2192438 - CVE-2023-24936 dotnet: Bypass restrictions when deserializing a DataSet or DataTable from XML
2212617 - CVE-2023-29331 dotnet: .NET Kestrel: Denial of Service processing X509 Certificates
2212618 - CVE-2023-33128 dotnet: Remote Code Execution - Source generators issue can lead to a crash due to unmanaged heap corruption
2213703 - CVE-2023-29337 dotnet: vulnerability exists in NuGet where a potential race condition can lead to a symlink attack

6. Package List:

Red Hat Enterprise Linux AppStream (v. 9):

Source:
dotnet6.0-6.0.118-1.el9_2.src.rpm

aarch64:
aspnetcore-runtime-6.0-6.0.18-1.el9_2.aarch64.rpm
aspnetcore-targeting-pack-6.0-6.0.18-1.el9_2.aarch64.rpm
dotnet-apphost-pack-6.0-6.0.18-1.el9_2.aarch64.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.18-1.el9_2.aarch64.rpm
dotnet-hostfxr-6.0-6.0.18-1.el9_2.aarch64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.18-1.el9_2.aarch64.rpm
dotnet-runtime-6.0-6.0.18-1.el9_2.aarch64.rpm
dotnet-runtime-6.0-debuginfo-6.0.18-1.el9_2.aarch64.rpm
dotnet-sdk-6.0-6.0.118-1.el9_2.aarch64.rpm
dotnet-sdk-6.0-debuginfo-6.0.118-1.el9_2.aarch64.rpm
dotnet-targeting-pack-6.0-6.0.18-1.el9_2.aarch64.rpm
dotnet-templates-6.0-6.0.118-1.el9_2.aarch64.rpm
dotnet6.0-debuginfo-6.0.118-1.el9_2.aarch64.rpm
dotnet6.0-debugsource-6.0.118-1.el9_2.aarch64.rpm

s390x:
aspnetcore-runtime-6.0-6.0.18-1.el9_2.s390x.rpm
aspnetcore-targeting-pack-6.0-6.0.18-1.el9_2.s390x.rpm
dotnet-apphost-pack-6.0-6.0.18-1.el9_2.s390x.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.18-1.el9_2.s390x.rpm
dotnet-hostfxr-6.0-6.0.18-1.el9_2.s390x.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.18-1.el9_2.s390x.rpm
dotnet-runtime-6.0-6.0.18-1.el9_2.s390x.rpm
dotnet-runtime-6.0-debuginfo-6.0.18-1.el9_2.s390x.rpm
dotnet-sdk-6.0-6.0.118-1.el9_2.s390x.rpm
dotnet-sdk-6.0-debuginfo-6.0.118-1.el9_2.s390x.rpm
dotnet-targeting-pack-6.0-6.0.18-1.el9_2.s390x.rpm
dotnet-templates-6.0-6.0.118-1.el9_2.s390x.rpm
dotnet6.0-debuginfo-6.0.118-1.el9_2.s390x.rpm
dotnet6.0-debugsource-6.0.118-1.el9_2.s390x.rpm

x86_64:
aspnetcore-runtime-6.0-6.0.18-1.el9_2.x86_64.rpm
aspnetcore-targeting-pack-6.0-6.0.18-1.el9_2.x86_64.rpm
dotnet-apphost-pack-6.0-6.0.18-1.el9_2.x86_64.rpm
dotnet-apphost-pack-6.0-debuginfo-6.0.18-1.el9_2.x86_64.rpm
dotnet-hostfxr-6.0-6.0.18-1.el9_2.x86_64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.18-1.el9_2.x86_64.rpm
dotnet-runtime-6.0-6.0.18-1.el9_2.x86_64.rpm
dotnet-runtime-6.0-debuginfo-6.0.18-1.el9_2.x86_64.rpm
dotnet-sdk-6.0-6.0.118-1.el9_2.x86_64.rpm
dotnet-sdk-6.0-debuginfo-6.0.118-1.el9_2.x86_64.rpm
dotnet-targeting-pack-6.0-6.0.18-1.el9_2.x86_64.rpm
dotnet-templates-6.0-6.0.118-1.el9_2.x86_64.rpm
dotnet6.0-debuginfo-6.0.118-1.el9_2.x86_64.rpm
dotnet6.0-debugsource-6.0.118-1.el9_2.x86_64.rpm

Red Hat Enterprise Linux CRB (v. 9):

aarch64:
dotnet-apphost-pack-6.0-debuginfo-6.0.18-1.el9_2.aarch64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.18-1.el9_2.aarch64.rpm
dotnet-runtime-6.0-debuginfo-6.0.18-1.el9_2.aarch64.rpm
dotnet-sdk-6.0-debuginfo-6.0.118-1.el9_2.aarch64.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.118-1.el9_2.aarch64.rpm
dotnet6.0-debuginfo-6.0.118-1.el9_2.aarch64.rpm
dotnet6.0-debugsource-6.0.118-1.el9_2.aarch64.rpm

s390x:
dotnet-apphost-pack-6.0-debuginfo-6.0.18-1.el9_2.s390x.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.18-1.el9_2.s390x.rpm
dotnet-runtime-6.0-debuginfo-6.0.18-1.el9_2.s390x.rpm
dotnet-sdk-6.0-debuginfo-6.0.118-1.el9_2.s390x.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.118-1.el9_2.s390x.rpm
dotnet6.0-debuginfo-6.0.118-1.el9_2.s390x.rpm
dotnet6.0-debugsource-6.0.118-1.el9_2.s390x.rpm

x86_64:
dotnet-apphost-pack-6.0-debuginfo-6.0.18-1.el9_2.x86_64.rpm
dotnet-hostfxr-6.0-debuginfo-6.0.18-1.el9_2.x86_64.rpm
dotnet-runtime-6.0-debuginfo-6.0.18-1.el9_2.x86_64.rpm
dotnet-sdk-6.0-debuginfo-6.0.118-1.el9_2.x86_64.rpm
dotnet-sdk-6.0-source-built-artifacts-6.0.118-1.el9_2.x86_64.rpm
dotnet6.0-debuginfo-6.0.118-1.el9_2.x86_64.rpm
dotnet6.0-debugsource-6.0.118-1.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-2023-24936
https://access.redhat.com/security/cve/CVE-2023-29331
https://access.redhat.com/security/cve/CVE-2023-29337
https://access.redhat.com/security/cve/CVE-2023-33128
https://access.redhat.com/security/updates/classification#important

8. Contact:

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

Copyright 2023 Red Hat, Inc.
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