Security Advisory - Fingerprint Unlocking Vulnerability on Smartphones

There is a fingerprint unlocking vulnerability on smartphones. If there are crackles on the fingerprint collector cover, the software would consider and learn the crackles as fingerprint feature when user press his finger on the cover to unlock the phone. So after lots of normal fingerprint unlocking, the phone can be unlocked by arbitrary fingerprint. Successful exploit could allow an attacker to unlock the phone. (Vulnerability ID: HWPSIRT-2017-09173)

This vulnerability has been assigned a Common Vulnerabilities and Exposures (CVE) ID: CVE-2017-17325.

Huawei has released software updates to fix this vulnerability. This advisory is available at the following link:

http://www.huawei.com/en/psirt/security-advisories/huawei-sa-20180203-01-fingerprint-en