{"containers": {"cna": {"affected": [{"product": "cordova-plugin-fingerprint-aio", "vendor": "NiklasMerz", "versions": [{"status": "affected", "version": "< 5.0.1"}]}], "descriptions": [{"lang": "en", "value": "cordova-plugin-fingerprint-aio is a plugin provides a single and simple interface for accessing fingerprint APIs on both Android 6+ and iOS. In versions prior to 5.0.1 The exported activity `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. This vulnerability occurred because the activity didn't handle the case where it is requested with invalid or empty data which results in a crash. Any third party app can constantly call this activity with no permission. A 3rd party app/attacker using event listener can continually stop the app from working and make the victim unable to open it. Version 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable. If you want to fix older versions change the attribute android:exported in plugin.xml to false. 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Please upgrade to version 5.0.1 as soon as possible."}]}, "impact": {"cvss": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 6.2, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-617: Reachable Assertion"}]}]}, "references": {"reference_data": [{"name": "https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/security/advisories/GHSA-7vfx-hfvm-rhr8", "refsource": "CONFIRM", "url": "https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/security/advisories/GHSA-7vfx-hfvm-rhr8"}, {"name": "https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/commit/27434a240f97f69fd930088654590c8ba43569df", "refsource": "MISC", "url": "https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/commit/27434a240f97f69fd930088654590c8ba43569df"}, {"name": "https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/releases/tag/v5.0.1", "refsource": "MISC", "url": "https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/releases/tag/v5.0.1"}]}, "source": {"advisory": "GHSA-7vfx-hfvm-rhr8", "discovery": "UNKNOWN"}}}}, "cveMetadata": {"assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa", "assignerShortName": "GitHub_M", "cveId": "CVE-2021-43849", "datePublished": "2021-12-23T16:20:10", "dateReserved": "2021-11-16T00:00:00", "dateUpdated": "2021-12-23T16:20:10", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.0"}

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En versiones anteriores a 5.0.1 la actividad exportada \"de.niklasmerz.cordova.biometric.BiometricActivity\" puede causar un bloqueo de la aplicaci\u00f3n. Esta vulnerabilidad es producida porque la actividad no maneja el caso de que es solicitado con datos no v\u00e1lidos o vac\u00edos, lo que resulta en un bloqueo. Cualquier aplicaci\u00f3n de terceros puede llamar constantemente a esta actividad sin permiso. Una aplicaci\u00f3n de terceros/atacante usando un escuchador de eventos puede detener continuamente el funcionamiento de la aplicaci\u00f3n y hacer que la v\u00edctima no pueda abrirla. La versi\u00f3n 5.0.1 del cordova-plugin-fingerprint-aio ya no exporta la actividad y ya no es vulnerable. Si quieres arreglar versiones anteriores cambia el atributo android:exported en el plugin.xml a false. 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