{"id":"CVE-2021-29624","state":"PUBLISHED","title":"Lack of protection against cookie tossing attacks in fastify-csrf","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.","publishedAt":"2021-05-19T21:15:28.000Z","updatedAt":"2024-08-03T22:11:06.350Z","severity":{"score":6.5,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["fastify fastify-csrf"],"affected":[{"vendor":"fastify","product":"fastify-csrf","versions":[{"version":"< 3.1.0","status":"affected"}]}],"references":["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://github.com/fastify/fastify-csrf/releases/tag/v3.1.0","https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf"],"weaknesses":["CWE-565"],"ingestedAt":"2026-10-29T19:48:21.578Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/29xxx/CVE-2021-29624.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-29624","state":"PUBLISHED","datePublished":"2021-05-19T21:15:28.000Z","dateUpdated":"2024-08-03T22:11:06.350Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2021-03-30T00:00:00.000Z"},"containers":{"cna":{"title":"Lack of protection against cookie tossing attacks in fastify-csrf","descriptions":[{"lang":"en","value":"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."}],"affected":[{"vendor":"fastify","product":"fastify-csrf","versions":[{"version":"< 3.1.0","status":"affected"}]}],"references":[{"url":"https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8","tags":["x_refsource_CONFIRM"]},{"url":"https://github.com/fastify/csrf/pull/2","tags":["x_refsource_MISC"]},{"url":"https://github.com/fastify/fastify-csrf/pull/51","tags":["x_refsource_MISC"]},{"url":"https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html","tags":["x_refsource_MISC"]},{"url":"https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0","tags":["x_refsource_MISC"]},{"url":"https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf","tags":["x_refsource_MISC"]}],"metrics":[{"cvssV3_1":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-565","description":"CWE-565: Reliance on Cookies without Validation and Integrity Checking","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2021-05-19T21:15:28.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-rc4q-9m69-gqp8","discovery":"UNKNOWN"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-29624","STATE":"PUBLIC","TITLE":"Lack of protection against cookie tossing attacks in fastify-csrf"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"fastify-csrf","version":{"version_data":[{"version_value":"< 3.1.0"}]}}]},"vendor_name":"fastify"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.5,"baseSeverity":"MEDIUM","confidentialityImpact":"NONE","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"UNCHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-565: Reliance on Cookies without Validation and Integrity Checking"}]}]},"references":{"reference_data":[{"name":"https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8","refsource":"CONFIRM","url":"https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8"},{"name":"https://github.com/fastify/csrf/pull/2","refsource":"MISC","url":"https://github.com/fastify/csrf/pull/2"},{"name":"https://github.com/fastify/fastify-csrf/pull/51","refsource":"MISC","url":"https://github.com/fastify/fastify-csrf/pull/51"},{"name":"https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html","refsource":"MISC","url":"https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html"},{"name":"https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0","refsource":"MISC","url":"https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0"},{"name":"https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf","refsource":"MISC","url":"https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf"}]},"source":{"advisory":"GHSA-rc4q-9m69-gqp8","discovery":"UNKNOWN"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://github.com/fastify/fastify-csrf/security/advisories/GHSA-rc4q-9m69-gqp8","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://github.com/fastify/csrf/pull/2","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/fastify/fastify-csrf/pull/51","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://cheatsheetseries.owasp.org/cheatsheets/Cross-Site_Request_Forgery_Prevention_Cheat_Sheet.html","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/fastify/fastify-csrf/releases/tag/v3.1.0","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://owasp.org/www-pdf-archive/David_Johansson-Double_Defeat_of_Double-Submit_Cookie.pdf","tags":["x_refsource_MISC","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T22:11:06.350Z"}}]}}}