Vulnerability · Published Nov 14, 2023 · Assigned by microsoft

CVE-2023-36558ASP.NET Core Security Feature Bypass Vulnerability

Medium 6.2

In plain English

A medium-severity security flaw in ASP.NET Core 6.0 from Microsoft. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 1.1% (higher than 65% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.2Medium
Exploit odds (30 days)1.1%top 34.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

ASP.NET Core Security Feature Bypass Vulnerability

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8aspnetcore-runtime-6.06.0.25-1.el8_9ALSA-2023:7258
AlmaLinux:9aspnetcore-runtime-6.06.0.25-1.el9_3ALSA-2023:7257
AlmaLinux:8aspnetcore-runtime-7.07.0.14-1.el8_9ALSA-2023:7256
AlmaLinux:9aspnetcore-runtime-7.07.0.14-1.el9_3ALSA-2023:7255
AlmaLinux:8aspnetcore-runtime-8.08.0.0-2.el8_9ALSA-2023:7254
AlmaLinux:9aspnetcore-runtime-8.08.0.0-2.el9_3ALSA-2023:7253
AlmaLinux:8aspnetcore-targeting-pack-6.06.0.25-1.el8_9ALSA-2023:7258
AlmaLinux:9aspnetcore-targeting-pack-6.06.0.25-1.el9_3ALSA-2023:7257
AlmaLinux:8aspnetcore-targeting-pack-7.07.0.14-1.el8_9ALSA-2023:7256
AlmaLinux:9aspnetcore-targeting-pack-7.07.0.14-1.el9_3ALSA-2023:7255
AlmaLinux:8aspnetcore-targeting-pack-8.08.0.0-2.el8_9ALSA-2023:7254
AlmaLinux:9aspnetcore-targeting-pack-8.08.0.0-2.el9_3ALSA-2023:7253
AlmaLinux:8dotnet8.0.100-2.el8_9ALSA-2023:7254
AlmaLinux:8dotnet-apphost-pack-6.06.0.25-1.el8_9ALSA-2023:7258
AlmaLinux:9dotnet-apphost-pack-6.06.0.25-1.el9_3ALSA-2023:7257
AlmaLinux:8dotnet-apphost-pack-7.07.0.14-1.el8_9ALSA-2023:7256
AlmaLinux:9dotnet-apphost-pack-7.07.0.14-1.el9_3ALSA-2023:7255
AlmaLinux:8dotnet-apphost-pack-8.08.0.0-2.el8_9ALSA-2023:7254
AlmaLinux:9dotnet-apphost-pack-8.08.0.0-2.el9_3ALSA-2023:7253
AlmaLinux:8dotnet-host8.0.0-2.el8_9ALSA-2023:7254
AlmaLinux:9dotnet-host8.0.0-2.el9_3ALSA-2023:7253
AlmaLinux:8dotnet-hostfxr-6.06.0.25-1.el8_9ALSA-2023:7258
AlmaLinux:9dotnet-hostfxr-6.06.0.25-1.el9_3ALSA-2023:7257
AlmaLinux:8dotnet-hostfxr-7.07.0.14-1.el8_9ALSA-2023:7256
AlmaLinux:9dotnet-hostfxr-7.07.0.14-1.el9_3ALSA-2023:7255
AlmaLinux:8dotnet-hostfxr-8.08.0.0-2.el8_9ALSA-2023:7254
AlmaLinux:9dotnet-hostfxr-8.08.0.0-2.el9_3ALSA-2023:7253
AlmaLinux:8dotnet-runtime-6.06.0.25-1.el8_9ALSA-2023:7258
AlmaLinux:9dotnet-runtime-6.06.0.25-1.el9_3ALSA-2023:7257
AlmaLinux:8dotnet-runtime-7.07.0.14-1.el8_9ALSA-2023:7256
AlmaLinux:9dotnet-runtime-7.07.0.14-1.el9_3ALSA-2023:7255
AlmaLinux:8dotnet-runtime-8.08.0.0-2.el8_9ALSA-2023:7254
AlmaLinux:9dotnet-runtime-8.08.0.0-2.el9_3ALSA-2023:7253
AlmaLinux:8dotnet-sdk-6.06.0.125-1.el8_9ALSA-2023:7258
AlmaLinux:9dotnet-sdk-6.06.0.125-1.el9_3ALSA-2023:7257
AlmaLinux:8dotnet-sdk-6.0-source-built-artifacts6.0.125-1.el8_9ALSA-2023:7258
AlmaLinux:9dotnet-sdk-6.0-source-built-artifacts6.0.125-1.el9_3ALSA-2023:7257
AlmaLinux:8dotnet-sdk-7.07.0.114-1.el8_9ALSA-2023:7256
AlmaLinux:9dotnet-sdk-7.07.0.114-1.el9_3ALSA-2023:7255
AlmaLinux:8dotnet-sdk-7.0-source-built-artifacts7.0.114-1.el8_9ALSA-2023:7256
AlmaLinux:9dotnet-sdk-7.0-source-built-artifacts7.0.114-1.el9_3ALSA-2023:7255
AlmaLinux:8dotnet-sdk-8.08.0.100-2.el8_9ALSA-2023:7254
AlmaLinux:9dotnet-sdk-8.08.0.100-2.el9_3ALSA-2023:7253
AlmaLinux:8dotnet-sdk-8.0-source-built-artifacts8.0.100-2.el8_9ALSA-2023:7254
AlmaLinux:9dotnet-sdk-8.0-source-built-artifacts8.0.100-2.el9_3ALSA-2023:7253
AlmaLinux:8dotnet-targeting-pack-6.06.0.25-1.el8_9ALSA-2023:7258
AlmaLinux:9dotnet-targeting-pack-6.06.0.25-1.el9_3ALSA-2023:7257
AlmaLinux:8dotnet-targeting-pack-7.07.0.14-1.el8_9ALSA-2023:7256
AlmaLinux:9dotnet-targeting-pack-7.07.0.14-1.el9_3ALSA-2023:7255
AlmaLinux:8dotnet-targeting-pack-8.08.0.0-2.el8_9ALSA-2023:7254
AlmaLinux:9dotnet-targeting-pack-8.08.0.0-2.el9_3ALSA-2023:7253
AlmaLinux:8dotnet-templates-6.06.0.125-1.el8_9ALSA-2023:7258
AlmaLinux:9dotnet-templates-6.06.0.125-1.el9_3ALSA-2023:7257
AlmaLinux:8dotnet-templates-7.07.0.114-1.el8_9ALSA-2023:7256
AlmaLinux:9dotnet-templates-7.07.0.114-1.el9_3ALSA-2023:7255
AlmaLinux:8dotnet-templates-8.08.0.100-2.el8_9ALSA-2023:7254
AlmaLinux:9dotnet-templates-8.08.0.100-2.el9_3ALSA-2023:7253
AlmaLinux:8netstandard-targeting-pack-2.18.0.100-2.el8_9ALSA-2023:7254
AlmaLinux:9netstandard-targeting-pack-2.18.0.100-2.el9_3ALSA-2023:7253
Alpine:v3.20dotnet6-build6.0.125-r0ALPINE-CVE-2023-36558
Alpine:v3.20dotnet6-runtime6.0.25-r0ALPINE-CVE-2023-36558
NuGetmicrosoft.aspnetcore.components7.0.14GHSA-3fx3-85r4-8j3w
NuGetmicrosoft.aspnetcore.components6.0.25GHSA-3fx3-85r4-8j3w
NuGetmicrosoft.aspnetcore.components8.0.0GHSA-3fx3-85r4-8j3w
Rocky Linux:8dotnet6.00:6.0.125-1.el8_9RLSA-2023:7258
Rocky Linux:8dotnet7.00:7.0.114-1.el8_9RLSA-2023:7256
Ubuntu:22.04:LTSdotnet66.0.125-0ubuntu1~22.04.1USN-6480-1
Ubuntu:22.04:LTSdotnet66.0.125-0ubuntu1~22.04.1UBUNTU-CVE-2023-36558
Ubuntu:22.04:LTSdotnet77.0.114-0ubuntu1~22.04.1UBUNTU-CVE-2023-36558
Ubuntu:22.04:LTSdotnet77.0.114-0ubuntu1~22.04.1USN-6480-1

Affected products (as reported)

VendorProductVersions
Microsoft .NET 6.0 6.0.0 – before 6.0.25
Microsoft ASP.NET Core 6.0 6.0 – before 6.0.25
Microsoft .NET 7.0 7.0.0 – before 7.0.14
Microsoft Microsoft Visual Studio 2022 version 17.2 17.2.0 – before 17.2.22
Microsoft .NET 8.0 8.0 – before 8.0.0
Microsoft Microsoft Visual Studio 2022 version 17.4 17.4.0 – before 17.4.14
Microsoft Microsoft Visual Studio 2022 version 17.6 17.6.0 – before 17.6.10
Microsoft Microsoft Visual Studio 2022 version 17.7 17.7.0 – before 17.7.7
Microsoft ASP.NET Core 7.0 7.0.0 – before 7.0.14
Microsoft ASP.NET Core 8.0 8.0 – before 8.0.0

References