CVE-2017-11879 — Open redirect in Microsoft.AspNetCore.Mvc.Core —...

HIGH

Open redirect in ASP.NET Core

Published May 14, 2022Updated November 8, 2023Source: osv

Summary

ASP.NET Core 2.0 allows an attacker to steal log-in session information such as cookies or authentication tokens via a specially crafted URL aka "ASP.NET Core Elevation Of Privilege Vulnerability".

Advisory Timeline

First published May 14, 2022 (1612 days ago).
Last revised November 8, 2023 — 543 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet

Update Microsoft.AspNetCore.Mvc.Core to 2.0.1 or later

dotnet add package Microsoft.AspNetCore.Mvc.Core --version 2.0.1

NuGet

Update Microsoft.AspNetCore.All to 2.0.3 or later

dotnet add package Microsoft.AspNetCore.All --version 2.0.3

After upgrading, run your dependency scanner again to confirm the vulnerability is resolved.

Affected Packages (2)

Affects 1 ecosystem: nuget (2).

Package	Ecosystem	Affected	Fixed In
Microsoft.AspNetCore.Mvc.Core	nuget	2.0.0	2.0.1
Microsoft.AspNetCore.All	nuget	2.0.0	2.0.3

Vulnerability Classification

Common Weakness Enumeration (CWE) identifiers for this vulnerability type.

CWE-601
Open RedirectMITRE

CVSS Score Breakdown

What the CVSS (Common Vulnerability Scoring System) 8.8 score means for each attack dimension.

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References

Frequently Asked Questions

What is CVE-2017-11879?: Open redirect in ASP.NET Core This vulnerability has been assigned a severity rating of HIGH (CVSS score: 8.8/10).
How do I check if my project is affected by CVE-2017-11879?: CVE-2017-11879 affects Microsoft.AspNetCore.Mvc.Core and Microsoft.AspNetCore.All. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2017-11879 and 200,000+ other known vulnerabilities.

Severity & Exploitability

CVSS Score

8.8

High exploitability or significant impact. Prioritize remediation within days.

Also Known As

GHSA-3wcj-rg8q-9cqv

Related CVEs

CVE-2017-8700
HIGH
Cross-origin Resource Sharing bypass in ASP.NET Core
CVE-2019-0564
HIGH
Denial of service in ASP.NET Core
CVE-2017-0247
HIGH
ASP.NET Core fails to properly validate web requests
CVE-2020-1597
HIGH
ASP.NET Core Denial of Service Vulnerability
CVE-2018-8409
HIGH
Denial of service vulnerability exists when System.IO.Pipelines improperly handles requests
CVE-2018-8269
HIGH
Denial of service in ASP.NET Core
CVE-2017-0249
HIGH
High severity vulnerability that affects Microsoft.AspNetCore.Mvc
CVE-2017-0256
MEDIUM
Moderate severity vulnerability that affects Microsoft.AspNetCore.Mvc

Check if you're affected

Scan your dependencies to see if this vulnerability affects your projects.

Scan Your Dependencies