Thursday, May 20, 2021

CVE-2021-29624

Description

fastify-csrf is an open-source plugin helps developers protect their Fastify server against CSRF attacks. Versions of fastify-csrf prior to 3.1.0 have a "double submit" mechanism using cookies with an application deployed across multiple subdomains, e.g. "heroku"-style platform as a service. Version 3.1.0 of the fastify-csrf fixes it. the vulnerability. 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.

References to Advisories, Solutions, and Tools


References to Advisories, Solutions, and Tools

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Resourcehttps://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.htmlhttps://github.com/fastify/csrf/pull/2https://github.com/fastify/fastify-csrf/pull/51https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf
 

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Thanks for everything Templateism - You should have written the code a little more complicated