GHSA-W2V8-PHP4-P8HC
Vulnerability from github – Published: 2024-05-01 16:35 – Updated: 2024-05-02 19:35
VLAI?
Summary
Wagtail has permission check bypass when editing a model with per-field restrictions through `wagtail.contrib.settings` or `ModelViewSet`
Details
Impact
If a model has been made available for editing through the wagtail.contrib.settings module or ModelViewSet, and the permission argument on FieldPanel has been used to further restrict access to one or more fields of the model, a user with edit permission over the model but not the specific field can craft an HTTP POST request that bypasses the permission check on the individual field, allowing them to update its value.
The vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin, or by a user who has not been granted edit access to the model in question. The editing interfaces for pages and snippets are also unaffected.
Patches
Patched versions have been released as Wagtail 6.0.3 and 6.1. Wagtail releases prior to 6.0 are unaffected.
Workarounds
Site owners who are unable to upgrade to a patched version can avoid the vulnerability in ModelViewSet by registering the model as a snippet instead. No workaround is available for wagtail.contrib.settings.
Acknowledgements
Many thanks to Ben Morse and Joshua Munn for reporting this issue.
For more information
If you have any questions or comments about this advisory:
- Visit Wagtail's support channels
- Email us at security@wagtail.org (view our security policy for more information).
Severity ?
{
"affected": [
{
"package": {
"ecosystem": "PyPI",
"name": "wagtail"
},
"ranges": [
{
"events": [
{
"introduced": "6.0.0"
},
{
"fixed": "6.0.3"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2024-32882"
],
"database_specific": {
"cwe_ids": [
"CWE-280"
],
"github_reviewed": true,
"github_reviewed_at": "2024-05-01T16:35:13Z",
"nvd_published_at": "2024-05-02T07:15:20Z",
"severity": "LOW"
},
"details": "### Impact\nIf a model has been made available for editing through the [`wagtail.contrib.settings`](https://docs.wagtail.org/en/stable/reference/contrib/settings.html) module or [`ModelViewSet`](https://docs.wagtail.org/en/stable/extending/generic_views.html#modelviewset), and the [`permission` argument on `FieldPanel`](https://docs.wagtail.org/en/stable/reference/pages/panels.html#wagtail.admin.panels.FieldPanel.permission) has been used to further restrict access to one or more fields of the model, a user with edit permission over the model but not the specific field can craft an HTTP POST request that bypasses the permission check on the individual field, allowing them to update its value.\n\nThe vulnerability is not exploitable by an ordinary site visitor without access to the Wagtail admin, or by a user who has not been granted edit access to the model in question. The editing interfaces for pages and snippets are also unaffected.\n\n### Patches\nPatched versions have been released as Wagtail 6.0.3 and 6.1. Wagtail releases prior to 6.0 are unaffected.\n\n### Workarounds\nSite owners who are unable to upgrade to a patched version can avoid the vulnerability in `ModelViewSet` by registering the model as a snippet instead. No workaround is available for `wagtail.contrib.settings`.\n\n### Acknowledgements\nMany thanks to Ben Morse and Joshua Munn for reporting this issue.\n\n### For more information\nIf you have any questions or comments about this advisory:\n\n* Visit Wagtail\u0027s [support channels](https://docs.wagtail.io/en/stable/support.html)\n* Email us at [security@wagtail.org](mailto:security@wagtail.org) (view our [security policy](https://github.com/wagtail/wagtail/security/policy) for more information).",
"id": "GHSA-w2v8-php4-p8hc",
"modified": "2024-05-02T19:35:19Z",
"published": "2024-05-01T16:35:13Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/wagtail/wagtail/security/advisories/GHSA-w2v8-php4-p8hc"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-32882"
},
{
"type": "WEB",
"url": "https://github.com/wagtail/wagtail/commit/ab2a5d82b4ee3c909d2456704388ccf90e367c9b"
},
{
"type": "WEB",
"url": "https://github.com/wagtail/wagtail/commit/fa0d4829f9c81eefb37cc058e2fa1b6a918741da"
},
{
"type": "WEB",
"url": "https://docs.wagtail.org/en/stable/extending/generic_views.html#modelviewset"
},
{
"type": "WEB",
"url": "https://docs.wagtail.org/en/stable/reference/contrib/settings.html"
},
{
"type": "WEB",
"url": "https://docs.wagtail.org/en/stable/reference/pages/panels.html#wagtail.admin.panels.FieldPanel.permission"
},
{
"type": "PACKAGE",
"url": "https://github.com/wagtail/wagtail"
},
{
"type": "WEB",
"url": "https://github.com/wagtail/wagtail/releases/tag/v6.0.3"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:N/I:L/A:N",
"type": "CVSS_V3"
}
],
"summary": "Wagtail has permission check bypass when editing a model with per-field restrictions through `wagtail.contrib.settings` or `ModelViewSet`"
}
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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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