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Test ID:1.3.6.1.4.1.25623.1.0.817387
Category:Windows
Title:.NET Core Security Feature Bypass Vulnerability (Sep 2020)
Summary:ASP.NET Core is prone to a security feature bypass vulnerability.
Description:Summary:
ASP.NET Core is prone to a security feature bypass vulnerability.

Vulnerability Insight:
The flaw exists due to an error in the way
Microsoft ASP.NET Core parses encoded cookie names.

Vulnerability Impact:
Successful exploitation will allow an attacker
to bypass security restrictions.

Affected Software/OS:
ASP.NET Core version 2.1 and 3.1

Solution:
The vendor has released updates. Please see the
references for more information.

CVSS Score:
5.0

CVSS Vector:
AV:N/AC:L/Au:N/C:N/I:P/A:N

Cross-Ref: Common Vulnerability Exposure (CVE) ID: CVE-2020-1045
FEDORA-2020-48fa1ad65c
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ASICXQXS4M7MTAF6SGQMCLCA63DLCUT3/
FEDORA-2020-e2deb72e0f
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5LN2FUVBSVPGK7AU3NMLO3YR6CGONQPB/
https://access.redhat.com/errata/RHSA-2020:3699
https://github.com/dotnet/core/blob/main/release-notes/3.1/3.1.8/3.1.8.md#changes-in-318
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1045
https://security.snyk.io/vuln/SNYK-RHEL8-DOTNET-1439600
CopyrightCopyright (C) 2020 Greenbone Networks GmbH

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