GHSA-H8WC-R4JH-MG7M

Vulnerability from github – Published: 2023-07-13 17:02 – Updated: 2023-07-13 17:02
VLAI?
Summary
Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions
Details

Under rare conditions, a restart of Umbraco can allow unauthorized users to gain admin-level permissions.

Impact

An unauthorized user gaining admin-level access and permissions to the backoffice.

Patches

10.6.1, 11.4.2, 12.0.1

Workarounds

  • Enabling the Unattended Install feature will mean the vulnerability is not exploitable.
  • Enabling IP restrictions to */install/* and */umbraco/* will limit the exposure to allowed IP addresses.
Severity ?
7.5 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Show details on source website
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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms.Infrastructure"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0"
            },
            {
              "fixed": "10.6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms.Infrastructure"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "11.0.0"
            },
            {
              "fixed": "11.4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms.Infrastructure"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "12.0.0"
            },
            {
              "fixed": "12.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "12.0.0"
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms.Web.BackOffice"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "9.0.0"
            },
            {
              "fixed": "10.6.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms.Web.BackOffice"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "11.0.0"
            },
            {
              "fixed": "11.4.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "Umbraco.Cms.Web.BackOffice"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "12.0.0"
            },
            {
              "fixed": "12.0.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "12.0.0"
      ]
    }
  ],
  "aliases": [
    "CVE-2023-37267"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-284"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-13T17:02:07Z",
    "nvd_published_at": "2023-07-13T14:15:09Z",
    "severity": "HIGH"
  },
  "details": "Under rare conditions, a restart of Umbraco can allow unauthorized users to gain admin-level permissions.\n\n### Impact\nAn unauthorized user gaining admin-level access and permissions to the backoffice.\n\n### Patches\n10.6.1, 11.4.2, 12.0.1\n\n### Workarounds\n* Enabling the [Unattended Install](https://docs.umbraco.com/umbraco-cms/reference/configuration/unattendedsettings) feature will mean the vulnerability is not exploitable.\n* Enabling IP restrictions to `*/install/*` and `*/umbraco/*` will limit the exposure to allowed IP addresses.\n",
  "id": "GHSA-h8wc-r4jh-mg7m",
  "modified": "2023-07-13T17:02:07Z",
  "published": "2023-07-13T17:02:07Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/security/advisories/GHSA-h8wc-r4jh-mg7m"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2023-37267"
    },
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/commit/1f26f2c6f3428833892cde5c6d8441fb041e410e"
    },
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/commit/20a4e475c8d7b91d263e4e103ef19f3644e7b569"
    },
    {
      "type": "WEB",
      "url": "https://github.com/umbraco/Umbraco-CMS/commit/82eae48d098b9deecbdf86cf288b2b18020e1fed"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/umbraco/Umbraco-CMS"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Umbraco allows possible Admin-level access to backoffice without Auth under rare conditions"
}


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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.



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