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{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:twitter:twitter_kit:*:*:*:*:*:iphone_os:*:*", "matchCriteriaId": "1C73B3B9-59C6-43FD-99C1-30EF13AF0D0F", "versionEndIncluding": "3.4.0", "versionStartIncluding": "3.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "This vulnerability was caused by an incomplete fix to CVE-2017-0911. Twitter Kit for iOS versions 3.0 to 3.4.0 is vulnerable to a callback verification flaw in the \"Login with Twitter\" component allowing an attacker to provide alternate credentials. In the final step of \"Login with Twitter\" authentication information is passed back to the application using the registered custom URL scheme (typically twitterkit-<consumer-key>) on iOS. Because the callback handler did not verify the authenticity of the response, this step is vulnerable to forgery, potentially allowing attacker to associate a Twitter account with a third-party service."}, {"lang": "es", "value": "Esta vulnerabilidad fue generada por una correcci\u00f3n incompleta de CVE-2017-0911. El Twitter Kit para las versiones 3.0 hasta la 3.4.0 de iOS es vulnerable a un fallo en la comprobaci\u00f3n de devoluci\u00f3n de llamada en el componente \"Login with Twitter\" que permite a un atacante suministrar credenciales alternativas. En el paso final de \"Login with Twitter\", la informaci\u00f3n de autenticaci\u00f3n se transmite a la aplicaci\u00f3n usando el esquema de URL personalizado registered (generalmente twitterkit-) en iOS. Comenzando el controlador de devoluci\u00f3n de llamada no se verific\u00f3 la autenticidad de la respuesta, este paso es vulnerable a falsificaci\u00f3n, lo que potencialmente permite al atacante asociar una cuenta de Twitter con un servicio de terceros."}], "id": "CVE-2019-5431", "lastModified": "2020-10-16T16:08:46.797", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 5.5, "confidentialityImpact": "PARTIAL", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.0, "impactScore": 4.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.5, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2019-05-06T17:29:00.480", "references": [{"source": "support@hackerone.com", "tags": ["Vendor Advisory"], "url": "https://blog.twitter.com/developer/en_us/topics/tips/2018/vulnerability-in-twitter-kit-for-ios.html"}], "sourceIdentifier": "support@hackerone.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-345"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-352"}], "source": "support@hackerone.com", "type": "Secondary"}]}

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