{"id":"GHSA-7vfx-hfvm-rhr8","summary":"cordova-plugin-fingerprint-aio DoS vulnerability","details":"## Summary:\n\nSending a specially crafted intent with an invalid/empty extras `de.niklasmerz.cordova.biometric.BiometricActivity` can cause the app to crash. sending the intent repeatedly can prevent the app using this plugin from working, resulting in a denial of service (DoS) condition.\n\n## Impact\n\nA 3rd party app/remote attacker can exploit this vulnerability by sending a malicious intent to the target device, causing the app using this plugin from working to crash or become unresponsive, resulting in a denial of service (DoS) condition.\n\n## Mitigation\n\nVersion 5.0.1 of the cordova-plugin-fingerprint-aio doesn't export the activity anymore and is no longer vulnerable.\n\nIf you want to fix older versions change the attribute `android:exported` of this code snippet in plugin.xml to `false`:\n\n```xml\n\u003cconfig-file target=\"AndroidManifest.xml\" parent=\"application\"\u003e\n      \u003cactivity android:name=\"de.niklasmerz.cordova.biometric.BiometricActivity\" android:theme=\"@style/TransparentTheme\" android:exported=\"false\"/\u003e\n\u003c/config-file\u003e\n``` \n\n## Patches\n\nPlease upgrade to version 5.0.1 as soon as possible.\n\nPlease check out the release on [GitHub](https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/releases/tag/v5.0.1).\n\n## For more information\nIf you have any questions or comments about this advisory please go to the discussion on [GitHub](https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/discussions/394).\n","aliases":["CVE-2021-43849"],"modified":"2026-07-08T06:29:13.891000136Z","published":"2023-11-02T20:44:41Z","database_specific":{"severity":"MODERATE","github_reviewed":true,"github_reviewed_at":"2023-11-02T20:44:41Z","nvd_published_at":"2021-12-23T17:15:00Z","cwe_ids":["CWE-617"]},"references":[{"type":"WEB","url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/security/advisories/GHSA-7vfx-hfvm-rhr8"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-43849"},{"type":"WEB","url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/commit/27434a240f97f69fd930088654590c8ba43569df"},{"type":"PACKAGE","url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio"},{"type":"WEB","url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/discussions/394"},{"type":"WEB","url":"https://github.com/NiklasMerz/cordova-plugin-fingerprint-aio/releases/tag/v5.0.1"}],"affected":[{"package":{"name":"cordova-plugin-fingerprint-aio","ecosystem":"npm","purl":"pkg:npm/cordova-plugin-fingerprint-aio"},"ranges":[{"type":"SEMVER","events":[{"introduced":"0"},{"fixed":"5.0.1"}]}],"database_specific":{"source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-7vfx-hfvm-rhr8/GHSA-7vfx-hfvm-rhr8.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"}]}