GHSA-rc4q-9m69-gqp8MediumCVSS 6.5
Lack of protection against cookie tossing attacks in fastify-csrf
🔗 CVE IDs covered (1)
📋 Description
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
- https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html
- https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf
Credits
This vulnerability was found by Xhelal Likaj [email protected].
For more information
If you have any questions or comments about this advisory:
- Open an issue in fastify-csrf
- Email us at [email protected]
🎯 Affected products1
- npm/fastify-csrf:< 3.1.0
🔗 References (8)
- https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8
- https://github.com/fastify/csrf/pull/2
- https://github.com/fastify/fastify-csrf/pull/51
- https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html
- https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf
- https://nvd.nist.gov/vuln/detail/CVE-2021-29624
- https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0
- https://github.com/advisories/GHSA-rc4q-9m69-gqp8