Affected: AlmaLinux:9: aspnetcore-runtime-6.0, AlmaLinux:9: aspnetcore-targeting-pack-6.0, AlmaLinux:9: dotnet-apphost-pack-6.0, AlmaLinux:9: dotnet-hostfxr-6.0, AlmaLinux:9: dotnet-runtime-6.0, AlmaLinux:9: dotnet-sdk-6.0, AlmaLinux:9: dotnet-sdk-6.0-source-built-artifacts, AlmaLinux:9: dotnet-targeting-pack-6.0, AlmaLinux:9: dotnet-templates-6.0

.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.

Affected: Bitnami: dotnet

.NET and Visual Studio Remote Code Execution Vulnerability

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

CVE-2023-33128 affects multiple packages. . See references for individual vulnerability details.

.NET and Visual Studio Remote Code Execution Vulnerability

Affected: NuGet: Microsoft.NETCore.App.Runtime.linux-arm, NuGet: Microsoft.NETCore.App.Runtime.linux-arm64, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-arm, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-arm64, NuGet: Microsoft.NETCore.App.Runtime.linux-musl-x64, NuGet: Microsoft.NETCore.App.Runtime.linux-x64, NuGet: Microsoft.NETCore.App.Runtime.osx-arm64, NuGet: Microsoft.NETCore.App.Runtime.osx-x64, NuGet: Microsoft.NETCore.App.Runtime.win-arm, NuGet: Microsoft.NETCore.App.Runtime.win-arm64 and 2 more

# Microsoft Security Advisory CVE-2023-33128: .NET Remote Code Execution Vulnerability

## <a name="executive-summary"></a>Executive summary

Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 7.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability.

A vulnerability exists in .NET source generator for P/Invokes that can lead to generated code freeing uninitialized memory and crashing.

## Announcement

Announcement for this issue can be found at https://github.com/dotnet/announcements/issues/253

### <a name="mitigation-factors"></a>Mitigation factors

Microsoft has not identified any mitigating factors for this vulnerability.

## <a name="affected-software"></a>Affected software

* Any .NET 7.0.1xx SDK 7.0.106 or earlier. * Any .NET 7.0.3xx SDK 7.0.303 or earlier.

If your application uses the following package versions, ensure you update to the latest version of .NET.

### <a name=".NET 7"></a>.NET 7

Package name | Affected version | Patched version ------------ | ---------------- | ------------------------- [Microsoft.NetCore.App.Runtime.linux-arm](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.linux-arm) | >= 7.0.0, <= 7.0.5 | 7.0.7 [Microsoft.NetCore.App.Runtime.linux-arm64](https://www.nuget.org/packages/Microsoft.NetCore.App.Runtime.linux-arm64) | >= 7.0.0, <= 7.0.5 | 7.0.7 [Microsoft.NetCore.App.Runtime.linux-mus…

.NET and Visual Studio Information Disclosure Vulnerability. zlib through 1.2.12 has a heap-based buffer over-read or buffer overflow in inflate in inflate.c via a large gzip header extra field. NOTE: only applications that call inflateGetHeader are affected. Some common applications bundle the affected zlib source code but may be unable to call inflateGetHeader (e.g., see the nodejs/node reference). NuGet Client Elevation of Privilege Vulnerability. .NET and Visual Studio Remote Code Execution Vulnerability .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability .NET, .NET Framework, and Visual Studio Remote Code Execution Vulnerability .NET, .NET Framework, and Visual Studio Elevation of Privilege Vulnerability .NET DLL Hijacking Remote Code Execution Vulnerability .NET, .NET Framework, and Visual Studio Denial of Service Vulnerability .NET and Visual Studio Elevation of Privilege Vulnerability .NET and Visual Studio Remote Code Execution Vulnerability .NET and Visual Studio Remote Code Execution Vulnerability .NET and Visual Studio Elevation of Privilege Vulnerability

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

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

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

.NET and Visual Studio Remote Code Execution Vulnerability

Ein entfernter, anonymer, authentisierter oder lokaler Angreifer kann mehrere Schwachstellen in Microsoft .NET Framework, Microsoft Azure DevOps Server, Microsoft NuGet, Microsoft Visual Studio und Microsoft Visual Studio Code ausnutzen, um beliebigen Code auszuführen, vertrauliche Informationen offenzulegen, einen Denial-of-Service-Zustand herbeizuführen, seine Rechte zu erweitern und Daten zu manipulieren.