CVE-2021-29624

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.

CVSS v3.0 6.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

6.5^/10

CVSS v3.0 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 3.6

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact HIGH

Availability Impact NONE

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:P/A:N

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact PARTIAL

Availability Impact NONE

References

Link	Resource
https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0	Third Party Advisory
https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf	Third Party Advisory
https://github.com/fastify/csrf/pull/2	Patch Third Party Advisory
https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8	Patch Third Party Advisory
https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html	Third Party Advisory
https://github.com/fastify/fastify-csrf/pull/51	Patch Third Party Advisory

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Configurations

Configuration 1 (hide)

cpe:2.3:a:fastify:fastify-csrf:*:*:*:*:*:node.js:*:*

Information

Published : 2021-05-19 15:15

Updated : 2022-10-25 13:56

NVD link : CVE-2021-29624

Mitre link : CVE-2021-29624

JSON object : View

CWE

CWE-352

Cross-Site Request Forgery (CSRF)

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Products Affected

fastify

fastify-csrf

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