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ALSA-2024:0150 — Important: .NET 8.0 security update

Affected: AlmaLinux:8: aspnetcore-runtime-8.0, AlmaLinux:8: aspnetcore-targeting-pack-8.0, AlmaLinux:8: dotnet, AlmaLinux:8: dotnet-apphost-pack-8.0, AlmaLinux:8: dotnet-host, AlmaLinux:8: dotnet-hostfxr-8.0, AlmaLinux:8: dotnet-runtime-8.0, AlmaLinux:8: dotnet-sdk-8.0, AlmaLinux:8: dotnet-sdk-8.0-source-built-artifacts, AlmaLinux:8: dotnet-targeting-pack-8.0 and 2 more

.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 8.0.101 and .NET Runtime 8.0.1.

Security Fix(es):

* dotnet: Information Disclosure: MD.SqlClient(MDS) & System.data.SQLClient (SDS) (CVE-2024-0056) * dotnet: X509 Certificates - Validation Bypass across Azure (CVE-2024-0057) * dotnet: .NET Denial of Service Vulnerability (CVE-2024-21319)

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.

bdu:2024-00642

BIT-dotnet-2024-21319 — Microsoft Identity Denial of service vulnerability

Affected: Bitnami: dotnet

Microsoft Identity Denial of service vulnerability

certfr-2024-avi-0022 — De multiples vulnérabilités ont été corrigées dans Microsoft .Net. Elles permettent à un at…

certfr-2024-avi-0022

CLEANSTART-2025-WW90034 — Microsoft Identity Denial of service vulnerability

Affected: CleanStart: dotnet6-build, CleanStart: dotnet6-runtime

CVE-2024-21319 affects multiple packages. Microsoft Identity Denial of service vulnerability See references for individual vulnerability details.

EUVD-2026-242679

fkie_cve-2024-21319

Microsoft Identity Denial of service vulnerability

GHSA-59j7-ghrg-fj52 — Microsoft ASP.NET Core project templates vulnerable to denial of service

Affected: NuGet: System.IdentityModel.Tokens.Jwt, NuGet: Microsoft.IdentityModel.JsonWebTokens

A Denial of Service vulnerability exists in ASP.NET Core project templates which utilize JWT-based authentication tokens. This vulnerability allows an unauthenticated client to consume arbitrarily large amounts of server memory, potentially triggering an out-of-memory condition on the server and making the server no longer able to respond to legitimate requests.

## Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/290

### Mitigation factors

This impacts only .NET Core-based projects that were created using any version of project templates listed in affected software. Other project templates e.g., console applications, MAUI applications, Windows Forms or WPF applications, are not affected.

## Affected software

This impacts only .NET Core-based projects that were created using any version of the below project templates.

- ASP.NET Core Web App (Model-View-Controller) - ASP.NET Core Web API - ASP.NET Core Web App (Razor Pages) - Blazor Server App - Blazor WebAssembly App

## Advisory FAQ

### How do I know if I am affected?

If you are you using project templates listed in affected software, you may be exposed to the vulnerability.

### How do I fix the issue?

#### For existing projects: If you ever created any of these projects via the dotnet new command or via Visual Studio's File -> New Project gesture, and if you enabled federated authentication at project creation time, your project may be vulnerable. To remed…

gsd-2024-21319

ICSA-25-100-02 — Siemens SIDIS Prime

Rust is a multi-paradigm, general-purpose programming language designed for performance and safety, especially safe concurrency. The Rust Security Response WG was notified that the `std::fs::remove_dir_all` standard library function is vulnerable a race condition enabling symlink following (CWE-363). An attacker could use this security issue to trick a privileged program into deleting files and directories the attacker couldn't otherwise access or delete. Rust 1.0.0 through Rust 1.58.0 is affected by this vulnerability with 1.58.1 containing a patch. Note that the following build targets don't have usable APIs to properly mitigate the attack, and are thus still vulnerable even with a patched toolchain: macOS before version 10.10 (Yosemite) and REDOX. We recommend everyone to update to Rust 1.58.1 as soon as possible, especially people developing programs expected to run in privileged contexts (including system daemons and setuid binaries), as those have the highest risk of being affected by this. Note that adding checks in your codebase before calling remove_dir_all will not mitigate the vulnerability, as they would also be vulnerable to race conditions like remove_dir_all itself. The existing mitigation is working as intended outside of race conditions. Issue summary: The AES-SIV cipher implementation contains a bug that causes it to ignore empty associated data entries which are unauthenticated as a consequence. Impact summary: Applications that use the AES-SIV algorithm a…

msrc_CVE-2024-21319 — Microsoft Identity Denial of service vulnerability

msrc_CVE-2024-21319

RHSA-2024:0150 — Red Hat Security Advisory: .NET 8.0 security update

dotnet: Information Disclosure: MD.SqlClient(MDS) & System.data.SQLClient (SDS) dotnet: X509 Certificates - Validation Bypass across Azure dotnet: .NET Denial of Service Vulnerability

RHSA-2024:0255 — Red Hat Security Advisory: .NET 6.0 security, bug fix, and enhancement update

dotnet: Information Disclosure: MD.SqlClient(MDS) & System.data.SQLClient (SDS) dotnet: X509 Certificates - Validation Bypass across Azure dotnet: .NET Denial of Service Vulnerability

UBUNTU-CVE-2024-21319

Affected: Ubuntu:22.04:LTS: dotnet6, Ubuntu:22.04:LTS: dotnet7

Microsoft Identity Denial of service vulnerability

WID-SEC-W-2024-0039 — Microsoft Developer Tools: Mehrere Schwachstellen

Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in Microsoft Developer Tools ausnutzen, um seine Privilegien zu erhöhen, einen Denial of Service Zustand hervorzurufen oder Sicherheitsmaßnahmen zu umgehen.