ghsa-rc4q-9m69-gqp8
Vulnerability from github
Published
2021-05-17 20:53
Modified
2021-05-17 20:29
Summary
Lack of protection against cookie tossing attacks in fastify-csrf
Details

Impact

Users that used fastify-csrf with the "double submit" mechanism using cookies with an application deployed across multiple subdomains, e.g. "heroku"-style platform as a service.

Patches

Version 3.1.0 of the fastify-csrf fixes it. See https://github.com/fastify/fastify-csrf/pull/51 and https://github.com/fastify/csrf/pull/2.

The user of the module would need to supply a userInfo when generating the CSRF token to fully implement the protection on their end. This is needed only for applications hosted on different subdomains.

Workarounds

None available.

References

  1. https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html
  2. https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf

Credits

This vulnerability was found by Xhelal Likaj xhelallikaj20@gmail.com.

For more information

If you have any questions or comments about this advisory: * Open an issue in fastify-csrf * Email us at hello@matteocollina.com

Show details on source website


{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "fastify-csrf"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "3.1.0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-29624"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-352",
      "CWE-565"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-05-17T20:29:48Z",
    "nvd_published_at": "2021-05-19T22:15:00Z",
    "severity": "MODERATE"
  },
  "details": "### Impact\n\nUsers that used fastify-csrf with the \"double submit\" mechanism using cookies with an application deployed across multiple subdomains, e.g. \"heroku\"-style platform as a service. \n\n### Patches\n\nVersion 3.1.0 of the fastify-csrf fixes it. \nSee https://github.com/fastify/fastify-csrf/pull/51 and https://github.com/fastify/csrf/pull/2.\n\nThe user of the module would need to supply a `userInfo` when generating the CSRF token to fully implement the protection on their end. This is needed only for applications hosted on different subdomains.\n\n### Workarounds\n\nNone available.\n\n### References\n\n1. https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html\n2. https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf\n\n### Credits\n\nThis vulnerability was found by Xhelal Likaj \u003cxhelallikaj20@gmail.com\u003e.\n\n### For more information\nIf you have any questions or comments about this advisory:\n* Open an issue in [fastify-csrf](https://github.com/fastify/fastify-csrf)\n* Email us at [hello@matteocollina.com](mailto:hello@matteocollina.com)\n",
  "id": "GHSA-rc4q-9m69-gqp8",
  "modified": "2021-05-17T20:29:48Z",
  "published": "2021-05-17T20:53:30Z",
  "references": [
    {
      "type": "WEB",
      "url": "https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8"
    },
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-29624"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fastify/csrf/pull/2"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fastify/fastify-csrf/pull/51"
    },
    {
      "type": "WEB",
      "url": "https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html"
    },
    {
      "type": "WEB",
      "url": "https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0"
    },
    {
      "type": "WEB",
      "url": "https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Lack of protection against cookie tossing attacks in fastify-csrf"
}


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