CVE-2024-21386: .NET Denial of Service Vulnerability
First published: Tue Feb 06 2024(Updated: )
.NET Denial of Service Vulnerability
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| nuget/Microsoft.AspNetCore.App.Runtime.win-x86 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-x64 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-arm64 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-arm | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.osx-x64 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.osx-arm64 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-x64 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64 | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-arm | >=8.0.0<=8.0.1 | 8.0.2 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-x86 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-x64 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-arm64 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-arm | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.osx-x64 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.osx-arm64 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-x64 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64 | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-arm | >=7.0.0<=7.0.15 | 7.0.16 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-x86 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-x64 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-arm64 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.win-arm | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.osx-x64 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.osx-arm64 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-x64 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-musl-arm | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-arm64 | <=6.0.26 | 6.0.27 |
| nuget/Microsoft.AspNetCore.App.Runtime.linux-arm | <=6.0.26 | 6.0.27 |
| ubuntu/dotnet6 | <6.0.127-0ubuntu1~22.04.1 | 6.0.127-0ubuntu1~22.04.1 |
| ubuntu/dotnet6 | <6.0.127-0ubuntu1~23.10.1 | 6.0.127-0ubuntu1~23.10.1 |
| ubuntu/dotnet6 | <6.0.27 | 6.0.27 |
| ubuntu/dotnet7 | <7.0.116-0ubuntu1~22.04.1 | 7.0.116-0ubuntu1~22.04.1 |
| ubuntu/dotnet7 | <7.0.116-0ubuntu1~23.10.1 | 7.0.116-0ubuntu1~23.10.1 |
| ubuntu/dotnet7 | <7.0.16 | 7.0.16 |
| ubuntu/dotnet8 | <8.0.102-8.0.2-0ubuntu1~22.04.1 | 8.0.102-8.0.2-0ubuntu1~22.04.1 |
| ubuntu/dotnet8 | <8.0.102-8.0.2-0ubuntu1~23.10.1 | 8.0.102-8.0.2-0ubuntu1~23.10.1 |
| ubuntu/dotnet8 | <8.0.2 | 8.0.2 |
| Visual Studio Community 2022 | =17.4 | |
| Visual Studio Community 2022 | =17.8 | |
| ASP.NET Core | =7.0 | |
| ASP.NET Core | =8.0 | |
| ASP.NET Core | =6.0 | |
| ASP.NET Core | >=6.0.0<6.0.27 | |
| ASP.NET Core | >=7.0.0<7.0.16 | |
| ASP.NET Core | >=8.0.0<8.0.2 | |
| Visual Studio Community 2022 | >=17.4.0<17.4.16 | |
| Visual Studio Community 2022 | >=17.6.0<17.6.12 | |
| Visual Studio Community 2022 | >=17.8.0<17.8.7 |
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Reference Links
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21386 (Advisory)
- https://security-tracker.debian.org/tracker/CVE-2024-21386
- https://access.redhat.com/errata/RHSA-2024:0805
- https://access.redhat.com/errata/RHSA-2024:0807
- https://access.redhat.com/errata/RHSA-2024:0806
- https://access.redhat.com/errata/RHSA-2024:0808
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2264132
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2264133
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2264134
- https://access.redhat.com/errata/RHSA-2024:0814
- https://access.redhat.com/errata/RHSA-2024:0827
- https://access.redhat.com/errata/RHSA-2024:0848
- https://bugzilla.redhat.com/show_bug.cgi?id=2263085
- https://github.com/dotnet/aspnetcore/security/advisories/GHSA-g74q-5xw3-j7q9
- https://nvd.nist.gov/vuln/detail/CVE-2024-21386
- https://github.com/advisories/GHSA-g74q-5xw3-j7q9 (Advisory)
- https://launchpad.net/bugs/cve/CVE-2024-21386
- https://devblogs.microsoft.com/dotnet/february-2024-updates/
- https://ubuntu.com/security/notices/USN-6634-1
- https://www.cve.org/CVERecord?id=CVE-2024-21386
- https://ubuntu.com/security/CVE-2024-21386
Frequently Asked Questions
What is the severity of CVE-2024-21386?
CVE-2024-21386 has been classified as a Denial of Service vulnerability.
How do I fix CVE-2024-21386?
To fix CVE-2024-21386, update to the patched versions of ASP.NET Core or Visual Studio as specified in the advisory.
Which versions are affected by CVE-2024-21386?
CVE-2024-21386 affects ASP.NET Core versions 6.0, 7.0, and 8.0, as well as specific versions of Visual Studio 2022.
Is there an exploit available for CVE-2024-21386?
It is advisable to assume there may be exploit possibilities, hence immediate patching is recommended.
What platforms are impacted by CVE-2024-21386?
CVE-2024-21386 impacts multiple platforms including Windows, Linux, and macOS environments using affected versions.
- collector/msrc-cve
- source/Microsoft
- collector/msrc
- collector/security-tracker-debian
- source/Debian
- agent/severity
- agent/title
- agent/first-publish-date
- agent/type
- collector/epss-latest
- source/FIRST
- agent/epss
- agent/remedy
- collector/github-advisory
- source/GitHub
- alias/GHSA-g74q-5xw3-j7q9
- alias/CVE-2024-21386
- agent/software-canonical-lookup
- collector/launchpad-cve
- source/Launchpad
- agent/event
- collector/github-advisory-latest
- agent/description
- agent/weakness
- collector/usn-cve
- source/Ubuntu
- agent/references
- agent/trending
- collector/mitre-cve
- source/MITRE
- agent/source
- agent/author
- agent/tags
- agent/softwarecombine
- collector/redhat-bugzilla
- source/Red Hat
- agent/last-modified-date
- agent/software-canonical-lookup-request
- collector/nvd-api
- source/NVD
- collector/nvd-cve
- package-manager/nuget
- package-manager/ubuntu
- vendor/microsoft
- canonical/visual studio community 2022
- version/visual studio community 2022/17.4
- version/visual studio community 2022/17.6
- version/visual studio community 2022/17.8
- canonical/asp.net core
- version/asp.net core/7.0
- version/asp.net core/8.0
- version/asp.net core/6.0
- version/asp.net core/6.0.0
- version/asp.net core/7.0.0
- version/asp.net core/8.0.0
- version/visual studio community 2022/17.4.0
- version/visual studio community 2022/17.6.0
- version/visual studio community 2022/17.8.0