Cookie parsing failure
A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.The ASP.NET Core cookie parser decodes entire cookie strings which could allow a malicious attacker to set a second cookie with the name being percent encoded.The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names., aka 'Microsoft ASP.NET Core Security Feature Bypass Vulnerability'.
Software afectado
Haz clic en una tecnología para ver todas sus vulnerabilidades.
| Plataforma | Paquete | Versiones vulnerables | Corregida en |
|---|---|---|---|
| .NET (NuGet) | Microsoft.AspNetCore.App | < 2.1.22 | 2.1.22 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-arm | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-arm64 | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-musl-arm64 | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-musl-x64 | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.linux-x64 | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.osx-x64 | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.win-arm | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.win-arm64 | >= 3.1.5, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.win-x64 | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.App.Runtime.win-x86 | >= 3.1.0, < 3.1.8 | 3.1.8 |
| .NET (NuGet) | Microsoft.AspNetCore.Http | < 2.1.22 | 2.1.22 |
| .NET (NuGet) | Microsoft.Owin | < 4.1.1 | 4.1.1 |
Referencias
- https://nvd.nist.gov/vuln/detail/CVE-2020-1045
- https://github.com/dotnet/announcements/issues/165
- https://github.com/dotnet/aspnetcore/issues/25701
- https://github.com/dotnet/aspnetcore/issues/25701#issuecomment-689434477
- https://github.com/github/advisory-database/issues/302
- https://github.com/dotnet/aspnetcore/pull/24264
- https://access.redhat.com/errata/RHSA-2020:3699
- https://github.com/dotnet/core/blob/main/release-notes/3.1/3.1.8/3.1.8.md#changes-in-318
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LN2FUVBSVPGK7AU3NMLO3YR6CGONQPB
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ASICXQXS4M7MTAF6SGQMCLCA63DLCUT3
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/5LN2FUVBSVPGK7AU3NMLO3YR6CGONQPB
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ASICXQXS4M7MTAF6SGQMCLCA63DLCUT3
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1045
- https://security.snyk.io/vuln/SNYK-RHEL8-DOTNET-1439600
- Vector CVSS
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N- Debilidad (CWE)
-- Plataforma
- .NET (NuGet)
- Paquete
Microsoft.AspNetCore.App, Microsoft.AspNetCore.App.Runtime.linux-arm, Microsoft.AspNetCore.App.Runtime.linux-arm64- Publicada
- 24.05.2022
- Actualizado
- 11.10.2026 11:23
Fuentes y licencias
OSV / GitHub Advisory Database - GHSA-hxrm-9w7p-39cc - CC BY 4.0
Historial de vulnerabilidades: Microsoft.AspNetCore.App
Todas las vulnerabilidades publicadas de este paquete (.NET (NuGet)), de la más reciente a la más antigua. Muestra si es un fallo aislado o un paquete que hay que vigilar.
- Entradas en total
- 8
- Primera → última
- 10.2018 05.2022
- Sin corrección
- 0
- Explotada en ataques
- 0
Distribución por gravedad
- Alta 5
- Media 3
Divulgaciones por año
- 2018: 2
- 2019: 0
- 2020: 0
- 2021: 0
- 2022: 6
- 2023: 0
- 2024: 0
- 2025: 0
- 2026: 0
-
Cookie parsing failure esta entrada
Identifica las vulnerabilidades de tu aplicación
Con la integración de DockRay y el inventario de software activado, DockRay compara las versiones notificadas de los componentes con las vulnerabilidades conocidas y avisa de las coincidencias confirmadas. La cobertura depende de la tecnología compatible y de los avisos disponibles.