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CVE-2019-1258 — Vulnerability in...

HIGH

Vulnerability in Azure Active Directory Authentication Library

Published August 16, 2019Updated December 6, 2024Source: osv

Summary

An elevation of privilege vulnerability exists in Azure Active Directory Authentication Library On-Behalf-Of flow, in the way the library caches tokens, aka 'Azure Active Directory Authentication Library Elevation of Privilege Vulnerability'.

Advisory Timeline

  • First published August 16, 2019 (2614 days ago).
  • Last revised December 6, 2024 — 1939 days after initial publication.

Remediation

Upgrade to the fixed version using your package manager.

NuGet
Update microsoft.identitymodel.clients.activedirectory to 5.2.0 or later
dotnet add package microsoft.identitymodel.clients.activedirectory --version 5.2.0

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

Affected Packages (1)

Affects 1 ecosystem: nuget (1).

PackageEcosystemAffectedFixed In
microsoft.identitymodel.clients.activedirectory
nuget
5.0.1-preview, 5.0.2-preview, 5.0.3-preview, 5.0.5 (+2 more)5.2.0

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
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

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

References

Frequently Asked Questions

What is CVE-2019-1258?
Vulnerability in Azure Active Directory Authentication Library 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-2019-1258?
CVE-2019-1258 affects microsoft.identitymodel.clients.activedirectory. Use GeekWala's free vulnerability scanner to check your dependencies against CVE-2019-1258 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-xc6x-cq47-9chw

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