{
  "schema_version": "1.4.0",
  "id": "GHSA-xc6x-cq47-9chw",
  "modified": "2024-05-31T21:10:03Z",
  "published": "2019-08-16T14:03:35Z",
  "aliases": [
    "CVE-2019-1258"
  ],
  "summary": "Vulnerability in Azure Active Directory Authentication Library",
  "details": "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'.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"
    }
  ],
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "microsoft.identitymodel.clients.activedirectory"
      },
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "5.0.0"
            },
            {
              "fixed": "5.2.0"
            }
          ]
        }
      ],
      "database_specific": {
        "last_known_affected_version_range": "<= 5.1.1"
      }
    }
  ],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2019-1258"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/AzureAD/azure-activedirectory-library-for-dotnet"
    },
    {
      "type": "WEB",
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1258"
    }
  ],
  "database_specific": {
    "cwe_ids": [],
    "severity": "HIGH",
    "github_reviewed": true,
    "github_reviewed_at": "2019-08-15T15:29:27Z",
    "nvd_published_at": "2019-08-14T21:15:19Z"
  }
}