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Cross-origin Resource Sharing bypass in ASP.NET Core

High severity GitHub Reviewed Published May 13, 2022 to the GitHub Advisory Database • Updated Jan 27, 2023

Package

nuget Microsoft.AspNetCore.Mvc.Core (NuGet)

Affected versions

>= 1.0.0, < 1.0.6
>= 1.1.0, < 1.1.6

Patched versions

1.0.6
1.1.6
nuget Microsoft.AspNetCore.Mvc.Cors (NuGet)
>= 1.0.0, < 1.0.6
>= 1.1.0, < 1.1.6
1.0.6
1.1.6

Description

ASP.NET Core 1.0, 1.1, and 2.0 allow an attacker to bypass Cross-origin Resource Sharing (CORS) configurations and retrieve normally restricted content from a web application, aka "ASP.NET Core Information Disclosure Vulnerability".

References

Published by the National Vulnerability Database Nov 15, 2017
Published to the GitHub Advisory Database May 13, 2022
Reviewed Jul 8, 2022
Last updated Jan 27, 2023

Severity

High
7.5
/ 10

CVSS base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
None
Availability
None
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Weaknesses

No CWEs

CVE ID

CVE-2017-8700

GHSA ID

GHSA-3rp6-rjw4-cq39

Source code

No known source code
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