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Red Hat: CVE-2020-1045: CVE-2020-1045 dotnet: ASP.NET cookie prefix spoofing vulnerability (Multiple Advisories)

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Red Hat: CVE-2020-1045: CVE-2020-1045 dotnet: ASP.NET cookie prefix spoofing vulnerability (Multiple Advisories)

Severity
5
CVSS
(AV:N/AC:L/Au:N/C:N/I:P/A:N)
Published
09/08/2020
Created
09/10/2020
Added
09/09/2020
Modified
01/03/2024

Description

<p>A security feature bypass vulnerability exists in the way Microsoft ASP.NET Core parses encoded cookie names.</p> <p>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.</p> <p>The security update addresses the vulnerability by fixing the way the ASP.NET Core cookie parser handles encoded names.</p>

Solution(s)

  • redhat-upgrade-aspnetcore-runtime-3-1
  • redhat-upgrade-aspnetcore-targeting-pack-3-1
  • redhat-upgrade-dotnet
  • redhat-upgrade-dotnet-apphost-pack-3-1
  • redhat-upgrade-dotnet-apphost-pack-3-1-debuginfo
  • redhat-upgrade-dotnet-host
  • redhat-upgrade-dotnet-host-debuginfo
  • redhat-upgrade-dotnet-hostfxr-3-1
  • redhat-upgrade-dotnet-hostfxr-3-1-debuginfo
  • redhat-upgrade-dotnet-runtime-3-1
  • redhat-upgrade-dotnet-runtime-3-1-debuginfo
  • redhat-upgrade-dotnet-sdk-3-1
  • redhat-upgrade-dotnet-sdk-3-1-debuginfo
  • redhat-upgrade-dotnet-targeting-pack-3-1
  • redhat-upgrade-dotnet-templates-3-1
  • redhat-upgrade-dotnet3-1-debuginfo
  • redhat-upgrade-dotnet3-1-debugsource
  • redhat-upgrade-netstandard-targeting-pack-2-1

References

  • CVE-2020-1045
  • RHSA-2020:3699

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