Vulnerability from drupal
Published
2023-12-06 16:16
Modified
2023-12-07 02:47
Summary
Details
The Group module has the ability to make content private to specific groups. When viewing a list of entities, e.g. nodes, a visitor should only see those entities that are either not attached to a group or that they have group access to.
The module doesn't sufficiently enforce list access under the scenario where two users have the same outsider and insider permissions, but are members of different groups without any individual roles being assigned to said memberships. In such a scenario, the permissions hash for both will be the same even though it should differ.
This vulnerability is mitigated by the fact that an attacker must have the same hash as someone else, which is quite rare yet not unthinkable.
Credits
Dylan Donkersgoed
www.drupal.org/user/2803351
{
"affected": [
{
"database_specific": {
"affected_versions": "\u003e=2.0.0 \u003c2.2.2 || \u003e=3.0.0 \u003c3.2.2"
},
"package": {
"ecosystem": "Packagist:https://packages.drupal.org/8",
"name": "drupal/group"
},
"ranges": [
{
"database_specific": {
"constraint": "\u003e=2.0.0 \u003c2.2.2"
},
"events": [
{
"introduced": "2.0.0"
},
{
"fixed": "2.2.2"
}
],
"type": "ECOSYSTEM"
},
{
"database_specific": {
"constraint": "\u003e=3.0.0 \u003c3.2.2"
},
"events": [
{
"introduced": "3.0.0"
},
{
"fixed": "3.2.2"
}
],
"type": "ECOSYSTEM"
}
],
"severity": []
}
],
"aliases": [],
"credits": [
{
"contact": [
"https://www.drupal.org/user/2803351"
],
"name": "Dylan Donkersgoed"
}
],
"details": "The Group module has the ability to make content private to specific groups. When viewing a list of entities, e.g. nodes, a visitor should only see those entities that are either not attached to a group or that they have group access to.\n\nThe module doesn\u0027t sufficiently enforce list access under the scenario where two users have the same outsider and insider permissions, but are members of different groups without any individual roles being assigned to said memberships. In such a scenario, the permissions hash for both will be the same even though it should differ.\n\nThis vulnerability is mitigated by the fact that an attacker must have the same hash as someone else, which is quite rare yet not unthinkable.",
"id": "DRUPAL-CONTRIB-2023-054",
"modified": "2023-12-07T02:47:34.000Z",
"published": "2023-12-06T16:16:28.000Z",
"references": [
{
"type": "WEB",
"url": "https://www.drupal.org/sa-contrib-2023-054"
}
],
"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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