Vulnerability-Lookup

GHSA-844M-CPR9-JCMH

Vulnerability from github – Published: 2021-11-15 17:54 – Updated: 2022-08-11 18:31

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)


                  
                    CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:U/C:H/I:L/A:H

Show details on source website

JSON

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{
  "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"
}

CVE-2021-41263 (GCVE-0-2021-41263)

Vulnerability from cvelistv5 – Published: 2021-11-15 20:10 – Updated: 2024-08-04 03:08

Title

Secure/signed cookies share secrets between sites in rails_multisite

Summary

rails_multisite provides multi-db support for Rails applications. In affected versions 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. 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

8.3 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:H

CWE

CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
CWE-565 - Reliance on Cookies without Validation and Integrity Checking

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/discourse/rails_multisite/secu…	x_refsource_CONFIRM
https://github.com/discourse/rails_multisite/comm…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
discourse	rails_multisite	Affected: < 4.0.0

Show details on NVD website

JSON

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  "containers": {
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        "providerMetadata": {
          "dateUpdated": "2024-08-04T03:08:31.596Z",
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            "url": "https://github.com/discourse/rails_multisite/commit/c6785cdb5c9277dd2c5ac8d55180dd1ece440ed0"
          }
        ],
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        }
      ],
      "metrics": [
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            "baseScore": 8.3,
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        },
        {
          "descriptions": [
            {
              "cweId": "CWE-565",
              "description": "CWE-565: Reliance on Cookies without Validation and Integrity Checking",
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    "dateReserved": "2021-09-15T00:00:00.000Z",
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    "state": "PUBLISHED"
  },
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  "dataVersion": "5.1"
}

GSD-2021-41263

Vulnerability from gsd - Updated: 2021-11-15 00:00

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.

Aliases

CVE-2021-41263

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2021-41263",
    "description": "rails_multisite provides multi-db support for Rails applications. In affected versions this 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. 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.",
    "id": "GSD-2021-41263"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
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          }
        }
      ],
      "aliases": [
        "CVE-2021-41263",
        "GHSA-844m-cpr9-jcmh"
      ],
      "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": "GSD-2021-41263",
      "modified": "2021-11-15T00:00:00.000Z",
      "published": "2021-11-15T00:00:00.000Z",
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          "description": "rails_multisite provides multi-db support for Rails applications.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. 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.",
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          "userInteractionRequired": false
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.8,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 5.9
        }
      },
      "lastModifiedDate": "2022-08-09T14:39Z",
      "publishedDate": "2021-11-15T20:15Z"
    }
  }
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.

Action not permitted

GHSA-844M-CPR9-JCMH

Impact

Patches

CVE-2021-41263 (GCVE-0-2021-41263)

GSD-2021-41263

Tags

Sightings

Nomenclature

Related by attack behaviour