usn-3448-1
Vulnerability from osv_ubuntu
Published
2017-10-11 11:37
Modified
2026-02-10 04:41
Summary
keystone vulnerability
Details

Boris Bobrov discovered that OpenStack Keystone incorrectly handled federation mapping when there are rules in which group-based assignments are not used. A remote authenticated user may receive all the roles assigned to a project regardless of the federation mapping, contrary to expectations.

References
To clipboard 

{
  "affected": [
    {
      "database_specific": {
        "cves_map": {
          "cves": [
            {
              "id": "CVE-2017-2673",
              "severity": [
                {
                  "score": "CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H",
                  "type": "CVSS_V3"
                },
                {
                  "score": "CVSS:3.0/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N",
                  "type": "CVSS_V3"
                },
                {
                  "score": "medium",
                  "type": "Ubuntu"
                }
              ]
            }
          ],
          "ecosystem": "Ubuntu:16.04:LTS"
        }
      },
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "keystone",
            "binary_version": "2:9.3.0-0ubuntu3.1"
          },
          {
            "binary_name": "python-keystone",
            "binary_version": "2:9.3.0-0ubuntu3.1"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "keystone",
        "purl": "pkg:deb/ubuntu/keystone@2:9.3.0-0ubuntu3.1?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:9.3.0-0ubuntu3.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:8.0.0-0ubuntu1",
        "2:9.0.0~b1-0ubuntu1",
        "2:9.0.0~b2-0ubuntu1",
        "2:9.0.0~b3-0ubuntu1",
        "2:9.0.0~rc1-0ubuntu1",
        "2:9.0.0-0ubuntu1",
        "2:9.0.2-0ubuntu1",
        "2:9.0.2-0ubuntu2",
        "2:9.1.0-0ubuntu1",
        "2:9.2.0-0ubuntu1",
        "2:9.3.0-0ubuntu1",
        "2:9.3.0-0ubuntu2",
        "2:9.3.0-0ubuntu3"
      ]
    }
  ],
  "aliases": [],
  "details": "Boris Bobrov discovered that OpenStack Keystone incorrectly handled\nfederation mapping when there are rules in which group-based assignments\nare not used. A remote authenticated user may receive all the roles\nassigned to a project regardless of the federation mapping, contrary to\nexpectations.\n",
  "id": "USN-3448-1",
  "modified": "2026-02-10T04:41:13Z",
  "published": "2017-10-11T11:37:42Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-3448-1"
    },
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2017-2673"
    }
  ],
  "related": [],
  "schema_version": "1.7.0",
  "summary": "keystone vulnerability",
  "upstream": [
    "UBUNTU-CVE-2017-2673"
  ]
}



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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

Author Source Type Date Other

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.