GHSA-hxrm-9w7p-39cc

Cookie parsing failure

At a glance

Published
Updated
CVE
CVE-2020-1045
Aliases
BIT-aspnet-core-2020-1045
CVSS_V3
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

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 packages

PackageVersions
NuGet · Microsoft.AspNetCore.Httpintroduced 0, fixed 2.1.22
NuGet · Microsoft.AspNetCore.Appintroduced 0, fixed 2.1.22
NuGet · Microsoft.Owinintroduced 0, fixed 4.1.1
NuGet · Microsoft.AspNetCore.App.Runtime.linux-armintroduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.linux-arm64introduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.linux-musl-x64introduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.linux-x64introduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.osx-x64introduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.win-armintroduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.win-x64introduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.win-x86introduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.linux-musl-arm64introduced 3.1.0, fixed 3.1.8
NuGet · Microsoft.AspNetCore.App.Runtime.win-arm64introduced 3.1.5, fixed 3.1.8

References

Sources

SourceLicence
OSV.devCC-BY 4.0 — GitHub Advisory Database