ubuntu-cve-2022-2447
Vulnerability from osv_ubuntu
Published
2022-09-01 21:15
Modified
2026-02-12 04:59
Summary
Details

A flaw was found in Keystone. There is a time lag (up to one hour in a default configuration) between when security policy says a token should be revoked from when it is actually revoked. This could allow a remote administrator to secretly maintain access for longer than expected.

Severity
6.6 (Medium)
CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H
N/A (UNKNOWN)
low
References
To clipboard 

{
  "affected": [
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "keystone",
            "binary_version": "2:9.3.0-0ubuntu3.2"
          },
          {
            "binary_name": "python-keystone",
            "binary_version": "2:9.3.0-0ubuntu3.2"
          }
        ],
        "priority_reason": "Upstream keystone developers have rated this to be a low severity issue"
      },
      "package": {
        "ecosystem": "Ubuntu:16.04:LTS",
        "name": "keystone",
        "purl": "pkg:deb/ubuntu/keystone@2:9.3.0-0ubuntu3.2?arch=source\u0026distro=xenial"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "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",
        "2:9.3.0-0ubuntu3.1",
        "2:9.3.0-0ubuntu3.2"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "keystone",
            "binary_version": "2:13.0.4-0ubuntu1"
          },
          {
            "binary_name": "python-keystone",
            "binary_version": "2:13.0.4-0ubuntu1"
          }
        ],
        "priority_reason": "Upstream keystone developers have rated this to be a low severity issue"
      },
      "package": {
        "ecosystem": "Ubuntu:18.04:LTS",
        "name": "keystone",
        "purl": "pkg:deb/ubuntu/keystone@2:13.0.4-0ubuntu1?arch=source\u0026distro=bionic"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:12.0.0-0ubuntu1",
        "2:13.0.0~b1-0ubuntu1",
        "2:13.0.0~b2-0ubuntu1",
        "2:13.0.0~b3-0ubuntu1",
        "2:13.0.0~rc1-0ubuntu1",
        "2:13.0.0~rc2-0ubuntu1",
        "2:13.0.0-0ubuntu1",
        "2:13.0.1-0ubuntu1",
        "2:13.0.2-0ubuntu1",
        "2:13.0.2-0ubuntu3",
        "2:13.0.4-0ubuntu1"
      ]
    },
    {
      "ecosystem_specific": {
        "binaries": [
          {
            "binary_name": "keystone",
            "binary_version": "2:17.0.1-0ubuntu2+esm1"
          },
          {
            "binary_name": "keystone-common",
            "binary_version": "2:17.0.1-0ubuntu2+esm1"
          },
          {
            "binary_name": "python3-keystone",
            "binary_version": "2:17.0.1-0ubuntu2+esm1"
          }
        ],
        "priority_reason": "Upstream keystone developers have rated this to be a low severity issue"
      },
      "package": {
        "ecosystem": "Ubuntu:Pro:20.04:LTS",
        "name": "keystone",
        "purl": "pkg:deb/ubuntu/keystone@2:17.0.1-0ubuntu2+esm1?arch=source\u0026distro=esm-infra/focal"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:16.0.0-0ubuntu1",
        "2:17.0.0~b1~git2019121613.db81fee63-0ubuntu1",
        "2:17.0.0~b2~git2020020513.99733f172-0ubuntu1",
        "2:17.0.0~b3~git2020032415.9f9040257-0ubuntu1",
        "2:17.0.0~b3~git2020032415.9f9040257-0ubuntu2",
        "2:17.0.0~b3~git2020041013.7bb6314e4-0ubuntu1",
        "2:17.0.0-0ubuntu0.20.04.1",
        "2:17.0.1-0ubuntu1",
        "2:17.0.1-0ubuntu2",
        "2:17.0.1-0ubuntu2+esm1"
      ]
    },
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "keystone",
            "binary_version": "2:21.0.1-0ubuntu2.1"
          },
          {
            "binary_name": "keystone-common",
            "binary_version": "2:21.0.1-0ubuntu2.1"
          },
          {
            "binary_name": "python3-keystone",
            "binary_version": "2:21.0.1-0ubuntu2.1"
          }
        ],
        "priority_reason": "Upstream keystone developers have rated this to be a low severity issue"
      },
      "package": {
        "ecosystem": "Ubuntu:22.04:LTS",
        "name": "keystone",
        "purl": "pkg:deb/ubuntu/keystone@2:21.0.1-0ubuntu2.1?arch=source\u0026distro=jammy"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2:21.0.1-0ubuntu2.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "2:20.0.0-0ubuntu1",
        "2:20.0.0+git2021120815.2ddf8f321-0ubuntu1",
        "2:20.0.0+git2022011217.771c943ad-0ubuntu1",
        "2:20.0.0+git2022030313.a3fc9e7c3-0ubuntu1",
        "2:21.0.0-0ubuntu1",
        "2:21.0.1-0ubuntu1",
        "2:21.0.1-0ubuntu2"
      ]
    }
  ],
  "aliases": [],
  "details": "A flaw was found in Keystone. There is a time lag (up to one hour in a default configuration) between when security policy says a token should be revoked from when it is actually revoked. This could allow a remote administrator to secretly maintain access for longer than expected.",
  "id": "UBUNTU-CVE-2022-2447",
  "modified": "2026-02-12T04:59:11Z",
  "published": "2022-09-01T21:15:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2022-2447"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2022-2447"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-7926-1"
    }
  ],
  "related": [
    "USN-7926-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    },
    {
      "score": "low",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2022-2447"
  ]
}



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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.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
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