Vulnerability from drupal
Published
2017-11-08 17:16
Modified
2023-08-21 13:31
Summary
Details

The Permissions by Term module extends Drupal by adding functionality for restricting access to single nodes via taxonomy terms.

The module grants access to nodes that are being blocked by other node access modules and that the Permissions by Term module does not intend to control. Additionally, it grants access to unpublished nodes in node listings to users who should not be able to see them. These problems lead to an access bypass vulnerability.

This vulnerability is mitigated by the fact that it only occurs on sites that either have another node access module (besides Permissions by Term) in use, or that have node listings that are accessible to unprivileged users and that don't directly filter out unpublished content.

Credits

{
  "affected": [
    {
      "database_specific": {
        "affected_versions": "\u003c1.35.0"
      },
      "package": {
        "ecosystem": "Packagist:https://packages.drupal.org/8",
        "name": "drupal/permissions_by_term"
      },
      "ranges": [
        {
          "database_specific": {
            "constraint": "\u003c1.35.0"
          },
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.35.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "severity": []
    }
  ],
  "aliases": [],
  "credits": [
    {
      "contact": [
        "https://www.drupal.org/u/david_rothstein"
      ],
      "name": "David Rothstein"
    }
  ],
  "details": "The Permissions by Term module extends Drupal by adding functionality for restricting access to single nodes via taxonomy terms.\n\nThe module grants access to nodes that are being blocked by other node access modules and that the Permissions by Term module does not intend to control. Additionally, it grants access to unpublished nodes in node listings to users who should not be able to see them. These problems lead to an access bypass vulnerability.\n\nThis vulnerability is mitigated by the fact that it only occurs on sites that either have another node access module (besides Permissions by Term) in use, or that have node listings that are accessible to unprivileged users and that don\u0027t directly filter out unpublished content.",
  "id": "DRUPAL-CONTRIB-2017-082",
  "modified": "2023-08-21T13:31:01.000Z",
  "published": "2017-11-08T17:16:30.000Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://www.drupal.org/sa-contrib-2017-082"
    }
  ],
  "schema_version": "1.7.0"
}


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Sightings

Author Source Type Date

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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