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CVE-2019-1258: Privilege Escalation

August 14, 2019 (updated August 24, 2020)

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’.

References

  • nvd.nist.gov/vuln/detail/CVE-2019-1258
  • portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1258

Code Behaviors & Features

Detect and mitigate CVE-2019-1258 with GitLab Dependency Scanning

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Affected versions

All versions starting from 5.0.1 up to 5.0.3, all versions starting from 5.0.5 before 5.2.0, version 5.0.0

Fixed versions

  • 1.0.0
  • 5.0.1-preview
  • 5.2.0

Solution

Upgrade to versions 1.0.0, 5.0.1-preview, 5.2.0 or above.

Impact 8.8 HIGH

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

Learn more about CVSS

Source file

nuget/Microsoft.IdentityModel.Clients.ActiveDirectory/CVE-2019-1258.yml

Spotted a mistake? Edit the file on GitLab.

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