usn-7857-1
Vulnerability from osv_ubuntu
Published
2025-11-04 19:38
Modified
2026-02-10 04:50
Summary
keystone vulnerability
Details

Kay discovered that OpenStack Keystone incorrectly handled the ec2tokens and s3tokens APIs. A remote attacker could possibly use this issue to obtain unauthorized access and escalate privileges.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:24.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "keystone",
            "binary_version": "2:25.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "keystone-common",
            "binary_version": "2:25.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "python3-keystone",
            "binary_version": "2:25.0.0-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:24.04:LTS",
        "name": "keystone",
        "purl": "pkg:deb/ubuntu/keystone@2:25.0.0-0ubuntu1.1?arch=source\u0026distro=noble"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:25.0.0-0ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:24.0.0-0ubuntu1",
        "2:24.0.0+git2024011916.adfa92b4-0ubuntu1",
        "2:25.0.0~rc1-0ubuntu1",
        "2:25.0.0-0ubuntu1"
      ]
    },
    {
      "database_specific": {
        "cves_map": {
          "cves": [],
          "ecosystem": "Ubuntu:25.10"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "keystone",
            "binary_version": "2:28.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "keystone-common",
            "binary_version": "2:28.0.0-0ubuntu1.1"
          },
          {
            "binary_name": "python3-keystone",
            "binary_version": "2:28.0.0-0ubuntu1.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:25.10",
        "name": "keystone",
        "purl": "pkg:deb/ubuntu/keystone@2:28.0.0-0ubuntu1.1?arch=source\u0026distro=questing"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:28.0.0-0ubuntu1.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:27.0.0-0ubuntu1",
        "2:27.0.0+git2025080113.e066e18ab-0ubuntu1",
        "2:28.0.0~rc1-0ubuntu1",
        "2:28.0.0-0ubuntu1"
      ]
    }
  ],
  "aliases": [],
  "details": "Kay discovered that OpenStack Keystone incorrectly handled the ec2tokens\nand s3tokens APIs. A remote attacker could possibly use this issue to\nobtain unauthorized access and escalate privileges.",
  "id": "USN-7857-1",
  "modified": "2026-02-10T04:50:21Z",
  "published": "2025-11-04T19:38:36Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7857-1"
    },
    {
      "type": "REPORT",
      "url": "https://launchpad.net/bugs/2130629"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "keystone vulnerability",
  "upstream": []
}



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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.