Privilege Escalation Affecting microsoft.aspnetcore.mvc.formatters.json package, versions [1,1.0.4) [1.1,1.1.3)


Severity

Recommended
0.0
high
0
10

CVSS assessment made by Snyk's Security Team

    Threat Intelligence

    EPSS
    0.13% (49th percentile)

Do your applications use this vulnerable package?

In a few clicks we can analyze your entire application and see what components are vulnerable in your application, and suggest you quick fixes.

Test your applications
  • Snyk ID SNYK-DOTNET-MICROSOFTASPNETCOREMVCFORMATTERSJSON-60075
  • published 12 May 2017
  • disclosed 12 May 2017
  • credit Unknown

How to fix?

Upgrade Microsoft.AspNetCore.Mvc.Formatters.Json to version 1.0.4, 1.1.3 or higher.

Overview

Microsoft.AspNetCore.Mvc.Formatters.Json contains formatters for JSON input and output and for JSON PATCH input using Json.NET.

Affected versions of this package are vulnerable to Privilege Escalation due to failing to properly sanitize web requests,

CVSS Scores

version 3.1
Expand this section

Snyk

Recommended
7.3 high
  • Attack Vector (AV)
    Network
  • Attack Complexity (AC)
    Low
  • Privileges Required (PR)
    None
  • User Interaction (UI)
    None
  • Scope (S)
    Unchanged
  • Confidentiality (C)
    Low
  • Integrity (I)
    Low
  • Availability (A)
    Low