high
7
CWE
362
Advisory Published
Advisory Published

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

First published: Thu Aug 03 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.<br>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.<br>Security Fix(es):<br><li> dotnet: .NET Kestrel: Denial of Service processing X509 Certificates (CVE-2023-29331)</li> <li> dotnet: vulnerability exists in NuGet where a potential race condition can lead to a symlink attack (CVE-2023-29337)</li> <li> dotnet: Remote Code Execution - Source generators issue can lead to a crash due to unmanaged heap corruption (CVE-2023-33128)</li> <li> dotnet: race condition in Core SignInManager&lt;TUser&gt; PasswordSignInAsync method (CVE-2023-33170)</li> 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 SoftwareAffected VersionHow to fix
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 CodeReady Linux Builder for x86_64 - Extended Update Support
Red Hat Enterprise Linux for x86_64 - Extended Update Support
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Server
Red Hat CodeReady Linux Builder for ARM 64 - Extended Update Support
Red Hat Enterprise Linux for SAP Solutions
Red Hat CodeReady Linux Builder for IBM z Systems
Red Hat Enterprise Linux for ARM64 EUS

Never miss a vulnerability like this again

Sign up to SecAlerts for real-time vulnerability data matched to your software, aggregated from hundreds of sources.

Read MoreStart Free Trial

Reference Links

Frequently Asked Questions

  • What is the severity of RHSA-2023:4448?

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

  • 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.

  • 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.

  • 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.

  • 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.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2025 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203