Privilege Escalation Affecting microsoft.identitymodel.clients.activedirectory package, versions [5.0.0-preview,5.2.0)
Snyk CVSS
Attack Complexity
Low
Confidentiality
High
Integrity
High
Availability
High
Threat Intelligence
EPSS
0.12% (47th
percentile)
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Test your applications- Snyk ID SNYK-DOTNET-MICROSOFTIDENTITYMODELCLIENTSACTIVEDIRECTORY-459437
- published 15 Aug 2019
- disclosed 14 Aug 2019
- credit Unknown
Introduced: 14 Aug 2019
CVE-2019-1258 Open this link in a new tabHow to fix?
Upgrade Microsoft.IdentityModel.Clients.ActiveDirectory to version 5.2.0 or higher.
Overview
Microsoft.IdentityModel.Clients.ActiveDirectory is a package for adding authentication functionality to your .NET based client by taking advantage of Windows Server Active Directory and Azure Active Directory.
Affected versions of this package are vulnerable to Privilege Escalation in the way the library caches tokens. This allows an authenticated attacker to perform actions in context of another user.