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: /Ghpr.ConsoleAppForDebug/Ghpr.ConsoleAppForDebug.csproj

Path to vulnerable library: /home/wss-scanner/.nuget/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: 61c01ea44f52cf09332bbf411ffeb7479870bc5c

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., aka 'Microsoft ASP.NET Core Security Feature Bypass Vulnerability'.

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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