GHSA-844M-CPR9-JCMH
Vulnerability from github – Published: 2021-11-15 17:54 – Updated: 2022-08-11 18:31
VLAI?
Summary
Rails Multisite secure/signed cookies share secrets between sites in a multi-site application
Details
Impact
This vulnerability impacts any Rails applications using rails_multisite alongside Rails' signed/encrypted cookies. Depending on how the application makes use of these cookies, it may be possible for an attacker to re-use cookies on different 'sites' within a multi-site Rails application.
Patches
The issue has been patched in v4 of the rails_multisite gem. Note that this upgrade will invalidate all previous signed/encrypted cookies. The impact of this invalidation will vary based on the application architecture.
Severity ?
6.2 (Medium)
{
"affected": [
{
"package": {
"ecosystem": "RubyGems",
"name": "rails_multisite"
},
"ranges": [
{
"events": [
{
"introduced": "0"
},
{
"fixed": "4.0.0"
}
],
"type": "ECOSYSTEM"
}
]
}
],
"aliases": [
"CVE-2021-41263"
],
"database_specific": {
"cwe_ids": [
"CWE-200",
"CWE-327",
"CWE-565"
],
"github_reviewed": true,
"github_reviewed_at": "2021-11-15T17:53:35Z",
"nvd_published_at": "2021-11-15T20:15:00Z",
"severity": "MODERATE"
},
"details": "### Impact\nThis vulnerability impacts any Rails applications using `rails_multisite` alongside Rails\u0027 signed/encrypted cookies. Depending on how the application makes use of these cookies, it may be possible for an attacker to re-use cookies on different \u0027sites\u0027 within a multi-site Rails application.\n\n### Patches\nThe issue has been patched in v4 of the `rails_multisite` gem. Note that this upgrade will invalidate all previous signed/encrypted cookies. The impact of this invalidation will vary based on the application architecture.",
"id": "GHSA-844m-cpr9-jcmh",
"modified": "2022-08-11T18:31:09Z",
"published": "2021-11-15T17:54:01Z",
"references": [
{
"type": "WEB",
"url": "https://github.com/discourse/rails_multisite/security/advisories/GHSA-844m-cpr9-jcmh"
},
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-41263"
},
{
"type": "WEB",
"url": "https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0"
},
{
"type": "PACKAGE",
"url": "https://github.com/discourse/rails_multisite"
},
{
"type": "WEB",
"url": "https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rails_multisite/CVE-2021-41263.yml"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:H",
"type": "CVSS_V3"
}
],
"summary": "Rails Multisite secure/signed cookies share secrets between sites in a multi-site application"
}
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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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