CVE-2020-1045

Cookie parsing failure in nuget/Microsoft.AspNetCore.App.Ref

Identifiers

GHSA-hxrm-9w7p-39cc, CVE-2020-1045

Package Slug

nuget/Microsoft.AspNetCore.App.Ref

Vulnerability

Cookie parsing failure

Description

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'.

Affected Versions

All versions starting from 3.1.0 before 3.1.8

Solution

Upgrade to version 3.1.8 or above.

Last Modified

2022-08-04

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