CVE-2020-1045 (High) detected in microsoft.netcore.app.2.1.0.nupkg

[mend-bolt-for-github[bot]]

CVE-2020-1045 - High Severity Vulnerability

Vulnerable Library - microsoft.netcore.app.2.1.0.nupkg

A set of .NET API's that are included in the default .NET Core application model. caa7b7e2bad98e56a687fb5cbaf60825500800f7 When using NuGet 3.x this package requires at least version 3.4.

Library home page: https://api.nuget.org/packages/microsoft.netcore.app.2.1.0.nupkg

Path to dependency file: /aws-dotnet-rest-api-with-dynamodb/src/DotNetServerless.Lambda/DotNetServerless.Lambda.csproj

Path to vulnerable library: /uget/packages/microsoft.netcore.app/2.1.0/microsoft.netcore.app.2.1.0.nupkg

Dependency Hierarchy: - :x: **microsoft.netcore.app.2.1.0.nupkg** (Vulnerable Library)

Found in HEAD commit: dcbe4aefe4b3685f4b15493a01db0f19b118a0c4

Found in base branch: master

Vulnerability Details

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.

Publish Date: 2020-09-11

URL: CVE-2020-1045

CVSS 3 Score Details (7.5)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: High - Availability Impact: None

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Release Date: 2020-09-11

Fix Resolution: Microsoft.AspNetCore.App - 2.1.22, Microsoft.AspNetCore.All - 2.1.22,Microsoft.NETCore.App - 2.1.22, Microsoft.AspNetCore.Http - 2.1.22

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[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.

[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.