{"containers":{"cna":{"affected":[{"product":"http4s","vendor":"http4s","versions":[{"status":"affected","version":"<= 0.21.28"},{"status":"affected","version":">= 0.22.0, < 0.22.5"},{"status":"affected","version":">= 0.23.0, < 0.23.4"},{"status":"affected","version":">= 1.0.0-M1, < 1.0.0-M27"}]}],"descriptions":[{"lang":"en","value":"http4s is an open source scala interface for HTTP. In affected versions http4s is vulnerable to response-splitting or request-splitting attacks when untrusted user input is used to create any of the following fields: Header names (`Header.name`å), Header values (`Header.value`), Status reason phrases (`Status.reason`), URI paths (`Uri.Path`), URI authority registered names (`URI.RegName`) (through 0.21). This issue has been resolved in versions 0.21.30, 0.22.5, 0.23.4, and 1.0.0-M27 perform the following. As a matter of practice http4s services and client applications should sanitize any user input in the aforementioned fields before returning a request or response to the backend. The carriage return, newline, and null characters are the most threatening."}],"metrics":[{"cvssV3_1":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","version":"3.1"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-918","description":"CWE-918: Server-Side Request Forgery (SSRF)","lang":"en","type":"CWE"}]}],"providerMetadata":{"dateUpdated":"2021-09-21T17:20:14.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa","shortName":"GitHub_M"},"references":[{"tags":["x_refsource_CONFIRM"],"url":"https://github.com/http4s/http4s/security/advisories/GHSA-5vcm-3xc3-w7x3"},{"tags":["x_refsource_MISC"],"url":"https://github.com/http4s/http4s/commit/d02007db1da4f8f3df2dbf11f1db9ac7afc3f9d8"},{"tags":["x_refsource_MISC"],"url":"https://httpwg.org/http-core/draft-ietf-httpbis-semantics-latest.html#fields.values"},{"tags":["x_refsource_MISC"],"url":"https://owasp.org/www-community/attacks/HTTP_Response_Splitting"}],"source":{"advisory":"GHSA-5vcm-3xc3-w7x3","discovery":"UNKNOWN"},"title":"Response Splitting from unsanitized headers in http4s","x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-41084","STATE":"PUBLIC","TITLE":"Response Splitting from unsanitized headers in http4s"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"http4s","version":{"version_data":[{"version_value":"<= 0.21.28"},{"version_value":">= 0.22.0, < 0.22.5"},{"version_value":">= 0.23.0, < 0.23.4"},{"version_value":">= 1.0.0-M1, < 1.0.0-M27"}]}}]},"vendor_name":"http4s"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"http4s is an open source scala interface for HTTP. In affected versions http4s is vulnerable to response-splitting or request-splitting attacks when untrusted user input is used to create any of the following fields: Header names (`Header.name`å), Header values (`Header.value`), Status reason phrases (`Status.reason`), URI paths (`Uri.Path`), URI authority registered names (`URI.RegName`) (through 0.21). This issue has been resolved in versions 0.21.30, 0.22.5, 0.23.4, and 1.0.0-M27 perform the following. As a matter of practice http4s services and client applications should sanitize any user input in the aforementioned fields before returning a request or response to the backend. The carriage return, newline, and null characters are the most threatening."}]},"impact":{"cvss":{"attackComplexity":"HIGH","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":8.7,"baseSeverity":"HIGH","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-918: Server-Side Request Forgery (SSRF)"}]}]},"references":{"reference_data":[{"name":"https://github.com/http4s/http4s/security/advisories/GHSA-5vcm-3xc3-w7x3","refsource":"CONFIRM","url":"https://github.com/http4s/http4s/security/advisories/GHSA-5vcm-3xc3-w7x3"},{"name":"https://github.com/http4s/http4s/commit/d02007db1da4f8f3df2dbf11f1db9ac7afc3f9d8","refsource":"MISC","url":"https://github.com/http4s/http4s/commit/d02007db1da4f8f3df2dbf11f1db9ac7afc3f9d8"},{"name":"https://httpwg.org/http-core/draft-ietf-httpbis-semantics-latest.html#fields.values","refsource":"MISC","url":"https://httpwg.org/http-core/draft-ietf-httpbis-semantics-latest.html#fields.values"},{"name":"https://owasp.org/www-community/attacks/HTTP_Response_Splitting","refsource":"MISC","url":"https://owasp.org/www-community/attacks/HTTP_Response_Splitting"}]},"source":{"advisory":"GHSA-5vcm-3xc3-w7x3","discovery":"UNKNOWN"}}},"adp":[{"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2024-08-04T02:59:31.504Z"},"title":"CVE Program Container","references":[{"tags":["x_refsource_CONFIRM","x_transferred"],"url":"https://github.com/http4s/http4s/security/advisories/GHSA-5vcm-3xc3-w7x3"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://github.com/http4s/http4s/commit/d02007db1da4f8f3df2dbf11f1db9ac7afc3f9d8"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://httpwg.org/http-core/draft-ietf-httpbis-semantics-latest.html#fields.values"},{"tags":["x_refsource_MISC","x_transferred"],"url":"https://owasp.org/www-community/attacks/HTTP_Response_Splitting"}]}]},"cveMetadata":{"assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","assignerShortName":"GitHub_M","cveId":"CVE-2021-41084","datePublished":"2021-09-21T17:20:14.000Z","dateReserved":"2021-09-15T00:00:00.000Z","dateUpdated":"2024-08-04T02:59:31.504Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.1"}